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Program for 2012 SSA Annual Meeting

Presenting author is indicated in bold.

Tuesday, 17 April—Concurrent SSA Oral Sessions

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 Ground Motion Prediction Advances in Rapid Dynamics of Seismicity Debating Fault Model Equations and Earthquake Earthquake and Tsunami Beyond Universal Scaling Input Data Site Response Detection and Modeling Laws Session Chairs: Delphine Session Chair: Alan Yong using Geodetic and Session Chairs: Yehuda Ben- Fitzenz and Andrew Michael (see page 354) Seismic Data Zion and Ilya Zaliapin (see (see page 368) Session Chairs: Yehuda page 364) Bock, Shri Krishna Singh, and Timothy Melbourne (see page 359)

8:30 2012 Update of the I!"#$%&: GPS Earthquake I!"#$%&: Elucidating Data Constraints on Models Campbell-Bozorgnia NGA Early Warning in Cascadia. Regional Tectonic and for Earthquake Physics and Ground Motion Prediction Szeliga, W. M., Melbourne, Secondary Causes of Forecasting. Rundle, J. B., Equation. Campbell, K. W., T. I., Santillan, V. M., and Seismicity in Southern Holliday, J. R., Graves, W. and Bozorgnia, Y. Scrivner, C. California: Application R., Sachs, M. K., Heien, E. of Waveform Relocated M., Yikilmaz, M. B., and Seismicity and High Turcotte, D. L. Precision Focal Mechanisms 8:45 Understanding the NGA- I!"#$%&: Application and Other Geophysical Data Irregular behavior of the West Ground-Motion of Real-Time GPS to Sets. Hauksson, E., Yang, Dead Sea Transform, Prediction Equations for Earthquake Alerts in W., and Shearer, P. M. (30 inferred from 3D PGA and PGV SSA Abstract Northern California. Allen, minutes) paleoseismic trenching. 2012. Baltay, A. S., Hanks, R. M., Johanson, I., and Ziv, Wechsler, N., Rockwell, T. T. C., and Beroza, G. C. A. K., and Klinger, Y.

9:00 Applicability of the NGA I!"#$%&: Earthquake I!"#$%&: Testing for Stress Uncertainties of the Ground-Motion Prediction Early Detection and Poisson Behavior. Stark, San Andreas Fault System Equations for Europe. Rapid Characterization in P. B., and Luen, B. (30 from 4-D Deformation Sandikkaya, M. A., and California Using Real Time minutes) Modeling. Smith-Konter, Akkar, S. GPS and Accelerometer B. R. Data. Bock, Y., Clayton, R., Crowell, B., Fang, P., Geng, J., Kedar, S., Melgar, D., Squibb, M., Webb, F., and Yu, E.

9:15 Ground Motion Prediction Determination of A'ershock Statistics for ENA: Learning from and Tsunamigenic Potential of a Constitute the Strongest Limitations of the NGA- Scenario Earthquake in the Evidence for Elastic East Database. Al Noman, Guerrero Seismic Gap Along Relaxation in Large M. N., Deshon, H. R., and the Mexican Subduction Earthquakes—Take 2. Field, Cramer, C. H. Zone. Pérez-Campos, X., E. H. Singh, S. K., Cruz-Atienza, V., Melgar, D., Iglesias, A., and Hjörleifsdóttir, V.

SSA 2012 Annual Meeting Program 1

doi: 10.1785/gssrl.82.2.327 Seismological Research Letters Volume 82, Number 2 March/April 2011 327 Tuesday, 17 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 9:30 Rupture Directivity Seismic and Tsunami I!"#$%&: Estimating ETAS. I!"#$%&: Under the Hood Correction Model for the Monitoring in the Schoenberg, F. P. of the Earthquake Machine: Fault-Normal, Fault-Parallel Caribbean. Huerfano, V. A., IndentifyingImportant and Fi'ieth Percentile Baez, G., von Hillebrandt- Constraints for the Components of Horizontal Andrade, C., and Lopez, A. Predictive Modeling of the Ground Motion. Bayless, J. Seismic Cycle. Barbot, S., R., and Somerville, P. G. Lapusta, N., and Avouac, J. P.

9:45 How the Style-of- Rapid Estimation of Damage I!"#$%&: Supershear Integrating Seismicity Faulting Ratios Change to Tall Buildings Using Ruptures and the Rock and Potential Fields Data with Database Features. Near Real-Time Earthquake Strength. Shcherbakov, R., to Determine Structural Sandikkaya, M. A., and and Archived Structural and Bhattacharya, P. Controls on the Fairbanks Akkar, S. Simulations. Krishnan, S., and Salcha Seismic Zones, Casarotti, E., Goltz, J., Ji, C., Interior Alaska. Doser, D. Komatitsch, D., Mourhatch, I., Schinagel, S. M., and R., Muto, M., Shaw, J. H., Danko), C. J. Tape, C., and Tromp, J.

10:00 Break—Golden Ballroom

10:30 Critical Parameters I!"#$%&: Automated Real- Sequence Clustering in Do We Understand A)ecting Bias and Time Detection of Extended Earthquake Catalogs. Stepovers Su+ciently to Variability in Site Response Fault Ruptures during Newman, W. I., Turcotte, Model *em? Michael, A. J. Analyses Using KiK-net Large Earthquakes. Boese, D. L., Malamud, B. D., Downhole Array Data. M., Heaton, T. H., and Holliday, J. R., and Rundle, Kaklamanos, J., Bradley, B. Hauksson, E. J. B. A., *ompson, E. M., and Baise, L. G.

10:45 Retrieval of Mechanical I!"#$%&: A Rapid, Reliable, I!"#$%&: Are Earthquake What Can Surface Slip Properties of a Concrete- and Robust Method to Magnitudes Clustered? Distributions Tell Us About Face Rock,ll Dam Estimate Mw and Other Davidsen, J. (30 minutes) Fault Connectivity at (CFRD) using Ambient Fault Parameters for Early Depth? Oglesby, D. D. Seismic Noise during Its Tsunami Warning Based Construction. Martínez- on Coastal GPS Networks. Ramírez, E., Sánchez- Singh, S. K., Pérez-Campos, Alvaro, E., Fernández- X., Iglesias, A., and Melgar, Ramírez, S., León-Sánchez, D. P. D., Marengo-Mogollón, H., Sanchez-Sesma, F. J., Rodríguez-González, M., and Suarez, M.

11:00 Final Report on ARRA- I!"#$%&: Rapid Fault Interaction Deduced funded Site Characterization Centroid Moment Tensor from Characteristic Project. Yong, A., Martin, Computation for the Mw Geomorphic O)sets, A., Stokoe, K. H., and 9.0 Tohoku-Oki Earthquake Southern San Andreas Fault. Diehl, J. from Local and Regional Williams, P. L. Displacement Records. Melgar, D., Crowell, B. W., and Bock, Y.

328 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 2 Tuesday, 17 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 11:15 Application of the H/V Near Real-time Full-wave High-Resolution Fault I!"#$%&: Seemingly Minor Spectral Ratios for Centroid Moment Tensor Tomography from Accurate Details of Fault Geometry Earthquake Ground (CMT) Inversion for Locations and Focal May Strongly A)ect Rupture Motions at K-Net Sites in Ground-motion forecast Mechanisms of Swarm Propagation. Lozos, J. C., Tohoku Region, Japan to in 3D Earth Structure of Earthquakes. Vavrycuk, V., and Oglesby, D. D. Delineate Soil Nonlinearity. Southern California. Lee, and Bouchaala, F. Kawase, H., Nagshima, E., Chen, P., Jordan, T. H., F., Matsushima, S., and and Maechling, P. J. Sanchez-Sesma, F. J.

11:30 Automatic Determination of I!"#$%&: Rapid Relations Between *e Importance of Ampli,cation for New Sites Magnitude and Fault Seismic Clustering and the Orientation of the Within a Seismic Network. Slip Determination from Physical Properties of the Maximum Remote Stress Edwards, B., and Fäh, D. Combined GPS and Lithosphere. Zaliapin, I., in Quasi-Static Triggering Accelerometer Data. and Ben-Zion, Y. of Fault Slip in Multi-Fault Crowell, B. W., Bock, Y., Earthquakes. Madden, E. and Melgar, D. H., Maerten, F., and Pollard, D. D.

11:45 Application of Microtremor Newly Developed an On the Relation of Stresses Testing Segmentation Array Measurements Algorithm to Detect/ to A'ershock Decay. Models. Jackson, D. D. and *ree-Component Estimate Static Ground Gerstenberger, M. C., Fry, Microtremor Measurements Displacements for Near- B., Abercrombie, R., Doser, to Estimate S-Wave Velocity Field Tsunami Forecasting D., and Ristau, J. Structure at San Francisco Based on the RTK-GPS Bay Area. Hayashi, K., and Data. Ohta, Y., Kobayashi, Underwood, D. T., Tsushima, H., Miura, S., Hino, R., Iinuma, T., and Fujimoto, H.

12:00 Annual Luncheon—Town & Country Room Seismic Imaging: Recent Physics in Seismology: "e Dynamics of Seismicity Validation of Strong Advancement and Future Legacy of Leon Knopo# Beyond Universal Scaling Ground Motion Directions Session Chairs: Paul Davis, Laws (continued) Simulations for Session Chairs: Youshun Freeman Gilbert, David Engineering Applications Sun, Michael Begnaud, Jackson, and *omas Jordan Session Chairs: Nicolas Sidao Ni, and Junmeng Zhao (see page 362) Luco, Sanaz Rezaeian, and (see page 356) *omas H. Jordan (see page 370)

2:15 High-Resolution Seismic- *e Burridge-Knopo) Stress Driven Variations I!"#$%&: Progress of Re-ection Imaging Pro,les Slider Block Model: A in Microseismicity during the Southern California across the Grizzly Valley Retrospective Analysis and Laboratory Stick-Slip Earthquake Center Fault System, Northern Future Outlook. Rundle, J. Tests. Goebel, T. H. W., Technical Activity Group on Walker Lane, California. B., and Turcotte, D. L. Schorlemmer, D., Dresen, Ground Motion Simulation Gold, R. D., Stephenson, W. G., and Becker, T. W. Validation. Luco, N., and J., Odum, J. K., Briggs, R., Jordan, T. H. Crone, A., Worley, D., Allen, J., Angster, S. and Bowden, D.

Seismological Research Letters Volume 82, Number 2 March/April 2011 329 SSA 2012 Annual Meeting Program 3 Tuesday, 17 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 2:30 I!"#$%&: Seismic Earthquake Prediction: *e Systematic Analysis of Validation of Las Vegas Tomography Structurally Scienti,c Heritage of Leon Foreshock Sequences in Basin Response to the Constrained by a priori Knopo). Keilis-Borok, V., Southern California. Chen, 1992 Little Skull Mtn. Model Based on a Cross- and Zaliapin, I. X., Shearer, P. M., and Earthquake as Predicted Gradient Approach. Zhang, Hauksson, E. by Physics-Based Nevada H., Newman, G. A., and ShakeZoning Computations. Fehler, M. Flinchum, B. A., Savran, W. H., Smith, K. D., Louie, J. N., Pullammanappallil, S. K., and Pancha, A.

2:45 I!"#$%&: Adjoint Is the Global Sequence of Advances in Local b-value I!"#$%&: Validation of Tomography Reveals Large Earthquakes, with Imaging and New Insight a 4-Hz Physics-Based European Upper Mantle A'ershocks Removed, on Physical Interpretation. Simulation of the 2008 Structure. Tromp, J., Zhu, Poissonian? Shearer, P. M., Tormann, T., Wiemer, S., Chino Hills Earthquake. H., Bozdag, E., and Peter, D. and Stark, P. B. and Hardebeck, J. L. Taborda, R., and Bielak, J.

3:00 I!"#$%&: Full-3D Modulation of tectonic Magnitude Dependent I!"#$%&: A Method for Waveform Tomography for tremor by the tides: physical Seismic Quiescence Validation of Simulated Southern California. Chen, models descended from Leon Investigated with a Fault Ground Motions Using P., Lee, E., Jordan, T. H., Knopo) with application Simulator that Incorporates Time-Domain Cumulative Maechling, P. J., Denolle, to the deep San Andreas. Dilatancy and Hydrological Statistical Characteristics. M., and Beroza, G. C. Beeler, N. M., *omas, A., E)ects. Smith, D. E., Sacks, Rezaeian, S. Burgmann, R., and Shelly, D. I. S., and Rydelek, P. A.

3:15 I!"#$%&: Full-3D Physics of Q. Morozov, I. B. Cumulative Coulomb Stress Ground Motion Simulations Waveform Tomography Changes—What In-uence for the 2009 L’Aquila for Northern California do Small Events have on (Central Italy) Earthquake: Using Ambient-Noise Triggering and the Time Modeling and Validation. Cross-Correlation Green’s to the Next Earthquake? Ameri, G., Pacor, F., and Functions. Lee, E., Xu, Z., Woessner, J., Meier, M. Gallovic, F. and Chen, P. A., Werner, M. J., and Wiemer, S.

3:30 SALSA3D—Improving Probabilistic Earthquake Correlation Fractal I!"#$%&: Comparison Event Locations Using Forecasts Based on Dimension Approach for of Nonlinear Building a Global 3D P-Velocity Branching Models of Estimating Temporal and Response Simulations Using Model of the Earth’s Crust Seismicity: Tracing Leon Spatial Pattern of Seismicity Recorded and Simulated and Mantle. Ballard, S., Knopo)’s Contributions. in the Himalayan Region. Ground Motions. Goulet, Begnaud, M. L., Young, C. Werner, M. J., Helmstetter, Singha Roy, P. N., and C. A., Haselton, C. B., and J., Hipp, J. R., Encarnacao, A., Jackson, D. D., and Mondal, S. K. Bayless, J. A. V., Chael, E. P., Phillips, Kagan, Y. Y. W. S., and Steck, L. K.

3:45 Break—Golden Ballroom

330 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 4 Tuesday, 17 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 Seismic Imaging: Recent Physics in Seismology: "e Probabilistic Fault Validation of Strong Advancement and Future Legacy of Leon Knopo# Displacement Hazard Ground Motion Directions (continued) (continued) Analysis Simulations for Session Chairs: Robb Moss Engineering Applications and Mark Petersen (see page (continued) 367)

4:15 Receiver Functions on Ice: Triggering Cascades and I!"#$%&: Quantifying I!"#$%&: Validation Crust and Mantle Properties Statistical Properties of Surface Fault Displacement of Broadband Synthetic from POLENET. Chaput, A'ershocks. Davidsen, J., Hazard: What is the Status? Seismograms With J. A., Hansen, S., Aster, R., Gu, C., and Baiesi, M. Schwartz, D. P., and Earthquake Engineering- Nyblade, A., Wiens, D., Dawson, T. E. relevant Metrics. Olsen, Huerta, A., Wilson, T., and K. B., Jacobsen, B. H., and the POLENET group Takedatsu, R.

4:30 Onshore/O)shore Structure Velocities of Plate Motions, I!"#$%&: Fault Rupture I!"#$%&: Nonlinear of the Northern Cascadia Fault Rupture, and Epicenter Displacement at Caltrans Response Potential Subduction Zone Obtained Migration: a Uni,ed Bridges. Shantz, T., Evaluation Using from Bayesian Receiver Mesoscale Framework based Merriam, M., and Yashinsky, Stochastically Simulated Function Inversion. Brillon, upon Statistical Mechanics M. Accelerograms. Goda, K., C., Cassidy, J. F., and Dosso, of Cracks. Ben-Menahem, and Atkinson, G. M. S. E. S., and Ben-Menahem, A.

4:45 A New Paradigm for Seismic Ground Motion Prediction I!"#$%&: Non-Ergodic I!"#$%&: Wood Frame Imaging: Transdimensional Using Virtual Earthquakes Models for Probabilistic Building Damage Prediction Inversion of Receiver for Kinematic Rupture Fault Rupture Hazard. Using Broad-band Synthetic Functions and Surface Wave Models. Denolle, M., Abrahamson, N. Ground Motions: A Dispersion with Hierarchical Dunham, E. M., Prieto, G., Comparative Study. Pei, S., Bayes Algorithm. Tkalcic, and Beroza, G. C. van de Lindt, J. W., Hartzell, H., Bodin, T., Sambridge, S., and Luco, N. M., Gallagher, K., and Arroucau, P.

5:00 Long-Period Surface-Wave Ambient-Field Green’s Reverse Faulting and Assessment of Synthetic Attenuation within the Functions From Probabilistic Surface Ground Motion Records Mantle. Morozov, I. B. Asynchronous Seismic Displacement Estimates. Obtained from Alternative Observations. Ma, S., and Moss, R. Simulation Methods in Beroza, G. C. Dynamic Analyses of Multi- Storey Frame Buildings. Karimzadeh-Naghshineh, S., Askan, A., Ameri, G., and Yakut, A.

5:15 Inversion of Surface Waves Point Source Seismogram Case Studies of Probabilistic I!"#$%&: A Statistical Including Higher Modes of using 2D Staggered-Grid Analysis of Fault Analysis of the Response Propagation. Hosseini, S. Finite Di)erence Method. Displacement and Related of Linear and Nonlinear M., Pezeshk, S., Pujol, J., and Li, D., Helmberger, D., and Hazards. "io, H. K., and Building Systems to Stovall, S. Clayton, R. Somerville, P. G. Observed and Simulated Ground Motions for Past Earthquakes. Galasso, C., Zhong, P., and Zareian, F.

Seismological Research Letters Volume 82, Number 2 March/April 2011 331 SSA 2012 Annual Meeting Program 5 Tuesday, 17 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 5:30 Performance of Geo-acoustic Earthquake source physics Surface Fault Displacement I!"#$%&: A Statistical Parameter Estimation studied with elastodynamic Hazards for the Long Valley Analysis of the Response of From Ambient Noise modeling and laboratory Caldera—Mono Lake Area. Tall Buildings to Recorded Measurements: Aperture, seismology. McLaskey, Chen, R., Wills, C. J., and and Simulated Ground SNR, and Information G. C., Kilgore, B. D., and Branum, D. M. Motions. Jayaram, N., and in Di)use Wave Fields. Beeler, N. M. Shome, N. Walker, S. C.

Tuesday, 17 April—Morning Poster Sessions 12. Paleoseismic Results from 2011 SSA Fieldtrip Trench across the Southeastern Reelfoot Ri' Margin. Cox, R. T., Neotectonics, Fault Geology and Paleoseismic Studies VanArsdale, R., Clark, D., Lumsden, D., and Hill, A. (see page 373) Physics in Seismology: "e Legacy of Leon Knopo# (see 1. New Active Fault Map for the Inner Continental page 376) Borderland, Southern California, Santa Monica Bay to the Mexican Border. Conrad, J. E., Ryan, H. F., Paull, C. 13. Rupture Driving Force for Interlocking Heterogeneous K., McGann, M., and Edwards, B. D. Plate Coupling and the Recent Megathrust Earthquake. 2. Kinematics of Displacement on the Central and Western Tajima, F. Agua Blanca and Santo Tomas Faults, Baja California, 14. *e E)ects of Static Coulomb, Normal and Shear Mexico. Wetmore, P. H., Malservisi, R., Wilson, J., Stress Changes on Earthquake Occurrence in Southern Ferwerda, B., and Alsleben, H. California. Strader, A. E., and Jackson, D. D. 3. Evidence for Quaternary faulting along the Gales Creek 15. Interpreting Tsunami Source Clustering in Terms of a fault zone, northwest Oregon. Bemis, S. P., and Wells, R. Branching Process. Geist, E. L. E. 4. Where are the Quaternary Strike-Slip Faults in Seamount Subduction and Earthquakes (see page 376) Northwestern Montana? Stickney, M. C. 16. Dominant Roles of a Possible Subducting Seamount in the 5. Multi-scale Study of Quaternary Deformation in the 2011 Mw 9.0 Tohoku-Oki Earthquake. Duan, B. Sevier Desert Basin (Central Utah): Clear Lake Fault 17. Earthquakes with Anomalously Steep Dip in the Source Zone. McBride, J. H., Nelson, S. T., Tingey, D. G., and Region of the 2011 Tohoku-Oki Earthquake—Possible Heiner, B. D. Indicators for Enhanced Plate Coupling. Zhan, Z., 6. *e Blue Ridge Fault, a newly discovered Holocene fault Helmberger, D. V., Simons, M., Kanamori, H., Wu, W., near Mt. Hood, Oregon. Madin, I. P., and Ma, L. Hudnut, K. W., Chu, R., Ni, S., Hetland, E. A., and 7. Splay-Fault Origin for the Yakima Fold-and-*rust Belt, Culaciati, F. H. O. Washington State. Pratt, T. L. 18. E)ects of Subducted Seamounts on Megathrust 8. Morphotectonic Segmentation Along the Nicoya Earthquakes. Yang, H., Liu, Y., and Lin, J. Peninsula Seismic Gap, Costa Rica, Central America. 19. Examples of Seismic Behavior in Areas of Seamount Marshall, J., Morrish, S., LaFromboise, E., Butcher, A., Subduction. Bilek, S. L., and Wang, K. Ritzinger, B., Wellington, K., Barnhart, A., Kinder, K., 20. Short-Term Migration of Deep Tectonic Tremor along Utick, J., Protti, M., Gardner, T., Fisher, D., Simila, G., Subduction Direction: Striations Due to Seamounts Spotila, J., Owen, L., Murari, M., and Cupper, M. Subduction? Ide, S. 9. Progress in Linking Earthquakes to Seismogenic Faults 21. Seismic Strong Motion Array Project (SSMAP) to Record in the Lake Tahoe-Truckee Area, California and Nevada. Future Large Earthquakes in the Nicoya Peninsula Area, Reed, T. H., Lindsay, R. D., Cronin, V. S., and Sverdrup, Costa Rica. Simila, G., Quintero, R., McNally, K., K. A. LaFromboise, E., Mohammad Ebrahim, E., and Seguro, J. 10. Ground Penetrating Radar as a Tool for Paleoseismic Site Evaluation: A Case Study on the Calabasas and Vallecitos Seismic Imaging: Recent Advancement and Future Faults of Northern Baja California. Wilson, J. A., Wetmore, Directions (see page 377) P. H., Kruse, S., Fletcher, J., Teran, O., and Yelil, R. 11. Paleoseismic study of the San Andreas Fault at the Crystal 22. 3D Depth Migrations From Networks of 2D Seismic Springs South site, San Mateo County, California. Lines for Fault Imaging in Western Nevada. Frary, R. N., Prentice, C. S., Zacariasen, J., Kozaci, O., Sanquini, A., Louie, J. N., Pullammanappallil, S., and Eisses, A. Wolf, E., Sickler, R., Feigelson, L., Crankshaw, I., Rosa, C., 23. Characterization of Shallow S-Wave Velocities across the and Baldwin, J. Tacoma Basin, Washington State, from SPAC and HVSR

332 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 6 Tuesday, 17 April (continued) Microtremor Analyses. Stephenson, W. J., Odum, J. K., Tuesday, 17 April—Afternoon Poster Sessions Dart, R. L., Angster, S. J., and Worley, D. M. 24. Time-Resolved Velocity Tomography at Mount Etna Advances in Rapid Earthquake and Tsunami Detection Volcano (Italy) during 2000-2008. Barberi, G., Cocina, and Modeling using Geodetic and Seismic Data (see page O., Chiarabba, C., De Gori, P., and Patanè, D. 381) 25. Evidence for a Bimaterial Interface along the Mudurnu 40. Quick-and-Dirty Earthquake Parametrizations: Why Segment of the North Anatolian Fault Zone from P Wave Short Analysis Times with Big Azimuth Gaps su+ce for Arrival Times and Polarization Analysis. Bulut, F., Ben- Initial Tsunami Warning Operations. Sardina, V. H. R., Zion, Y., and Bohnho), M. Becker, N. C., Weinstein, S. A., Fryer, G., Koyanagi, K., 26. *e LLNL-G3D Global P-wave Velocity Model and the Wang, D., Walsh, D., and McCreery, C. Signi,cance of the BayesLoc Multiple-Event Location 41. Caltech/USGS Southern California Seismic Network: Procedure. Simmons, N. A., Myers, S. C., Johannesson, Recent Upgrades of Instrumentation and Operational G., and Matzel, E. Capabilities. Crummey, J., Bhadha, R., Devora, A., 27. Shear Wave Velocity-Depth from IMASW Measurements Guiwits, S., Johnson, D., Watkins, M., Hauksson, E., and in Teton County, Idaho: Updated NEHRP Site-Response *omas, V. Classi,cation and Seismic Ampli,cation Maps. Turner, J. 42. A Systematic Investigation of the “Nucleation Phase” of P., Phillips, W. M., Zellman, M. S., and O’Connell, D. R. Large Global Earthquakes Using Broadband Teleseismic H. Data. Burkhart, E. T., and Ji, C. 28. Virtual Seismic Receiver Array. Alhukail, I. A., and 43. Rapid Estimation of Tsunami Waveheights a'er Large Ikelle, L. T. Earthquakes: Examples from the 2011 Tohoku and 2010 29. Anisotropy of the Mexico Subduction Zone Based on Maule Earthquakes. "io, H. K., and Polet, J. Shear-Wave Splitting Analysis. Stubailo, I., and Davis, P. 44. Radial Decay of Coseismic Displacement Amplitudes M. from *rust Earthquakes. Marrett, R. 30. *e Use of Direct Shear Waves in Quantifying Seismic 45. Rapid Determination of Earthquake Source Parameters Anisotropy: Results from the Northeastern Tibet. Eken, Using an Earthquake Search Engine. Zhang, J., Zhang, T., Tilmann, F., and Nunn, C. H., Chen, E., Zheng, Y., and Kuang, W. 31. Body Wave Attenuation Heralds Surfacing Magma at 46. Rapid Estimation of Slip Models for Large Shallow Mount Etna (Italy): *e 2001–2003 and 2007–2008 Earthquakes using Teleseismic P Waves. Mendoza, C., Case Studies. Giampiccolo, E., De Gori, P., Chiarabba, C., Hartzell, S., Benz, H., and Herrmann, R. Cocina, O., and Patanè, D. 47. Developments in Earthquake Early Warning at UCB: 32. Crust and Upper Mantle Structure of Iran from the CISN ShakeAlert. Hellweg, M., Allen, R. M., Brown, H., Simultaneous Inversion of Complementary Geophysical Henson, I., Kong, Q., Kuyuk, S., and Neuhauser, D. S. Observations. Maceira, M., Bergman, E. A., Rowe, C. A., 48. Seismic Source Studies at the Berkeley Seismological and Zhang, H. Laboratory. Dreger, D. S., Guilhem, A., Boyd, O. S., 33. Crust and Upper Mantle Structure of the Western US Chiang, A., and Hellweg, M. from Simultaneous Inversion of Surface-Wave Dispersion, 49. Tohoku-Oki Tsunami Simulations Reveal Importance of Gravity, and Receiver Functions. Steck, L. K., Maceira, M., Herrmann, R. B., Ammon, C. J., and Stead, R. J. Sophisticated Seismic Source Parameters. Watts, P. 34. A New 3D P-wave Velocity Model of Mount Rainier Debating Fault Model Input Data (see page 383) Using Double-Di)erence Local Earthquake Tomography. Feenstra, J. P., *urber, C. H., and Moran, S. C. 50. What about the In-uence of the Nature of the Pore Fluid 35. 3D Seismic Models and Finite-Frequency vs Ray on Long-Term or Triggered Faulting Behavior? Fitzenz, *eoretical Approaches. Maceira, M., Larmat, C., Allen, D. D., Crovisier, M., and Maury, V. R. M., Porritt, R., Rowe, C. A., and Obrebski, M. 51. Earthquake Scaling Relationships Estimated from a 16 36. Shear Velocity Structure of the Iberian Peninsula Using Year Catalog of Published InSAR studies. Funning, G. Seismic and Gravity Observations. Villasenor, A., J., Weston, J., Elliott, J., Ferreira, A. M. G., and Richards- Maceira, M., and Ammon, C. J. Dinger, K. B. 37. Attenuation and Source Parameters for the Western US 52. *e Impact of Space-Geodetic Data on California Using Automated Amplitude Measurements. Phillips, Earthquake Risk. Nyst, M., and Mak, L. W. S., Mayeda, K. M., and Malagnini, L. 53. Earthquake Forecasts for California based on Adaptive 38. Teleseismic Imaging of the Eastern Tibetan Plateau. Ge, C., Space-Time Smoothing of Seismicity and Rate-and-State Sun, Y., Zheng, Y., Xiong, X., Toksoz, M. N., and Zheng, Y. Friction. Helmstetter, A., and Werner, M. J. 39. Upper Mantle Structure around the Mid-Ocean Ridge of 54. A Stochastic Earthquake Source Model Combining the Paci,c Ocean with the Precursors of SS and PP. Sui, Y., Fault Geometry, Slip Rates, and Smoothed Seismicity: Zheng, Y., Zhou, Y., and Sun, Y.

Seismological Research Letters Volume 82, Number 2 March/April 2011 333 SSA 2012 Annual Meeting Program 7 Tuesday, 17 April (continued) California. Hiemer, S., Jackson, D. D., Wang, Q., Kagan, Strong Motion University (PRSMP) of Puerto Rico at Y. Y., Woessner, J., Zechar, J. D., and Wiemer, S. Mayaguez Campus 55. *ree Historical Earthquakes on the Southern Santa Cruz 68. Seismic Site Response in Christchurch (New Zealand) Mountains Section of the San Andreas fault: Insights from Dense A'ershock Recordings. Kaiser, A. E., from *ree Paleoseismic Sites. Dawson, T. E., Streig, A. Benites, R. A., Chung, A. I., Oth, A., Cochran, E. S., Fry, R., and Weldon, R. J. B., and Haines, A. J. 56. Major Earthquakes on a Nascent Fault Zone: Lenwood 69. In-situ Measurement of Velocity Change Under Induced Fault, Eastern California. Strane, M. D., Oskin, M. E., Strong Ground Motion. Larmat, C., Guyer, R. A., Lee, Khatib, F., Lindvall, S. C., Rockwell, T. K., Blisniuk, K. R., Rutledge, J. T., Johnson, P. A., and Stokoe, K. N., and Iriondo, A. 70. Analysis of Micro-Seismicity and Site Response Using 57. Rupture Dynamics on Parallel Faults at a Restraining Waveform Data from a Small Broadband Deployment Double-Bend and Corroboration with the Natural on Cal Poly Pomona Campus. Lino, S. I., Ho, K. K., and Earthquake Record on the Altyn Tagh Fault, Western Polet, J. China. Elliott, A. J., Duan, B. C., Oskin, M. E., and Liu- 71. Seismic Wave Propagation Pro,les and Response Spectra Zheng, J. of Kuala Lumpur City Center under the Far Field 58. Scaling for Fault Models Toward Ground Motion Earthquake E)ects from Sumatra. Adnan, A. B., Suhatril, Prediction of Earthquakes in Taiwan Region. Ma, K. F. M., Hendriyawan, and Masyur, I. 72. Seismic Noise in Antarctica. Anthony, R., Aster, R., Ground Motion Prediction Equations and Earthquake Rowe, C., Wiens, D., and Nyblade, A. Site Response (see page 385) 73. Investigating the 2011 Rumblings in Windsor, Ontario through Seismology. Bent, A. L., and Woodgold, C. R. D. 59. A New Empirically Based GMPE for Subduction Zone 74. An Experimental Study on Rock Physical Property Based Earthquakes. Gregor, N., Abrahamson, N., and Addo, K. on Binary code Excitation. Wu, H. Z. 60. Investigation of Spatial Correlation of Single-Station Ground Motion Residuals. Hollenback, J. C., and "e 11 March 2011 Tohoku, Japan, Earthquake: Abrahamson, N. Observations and Models (see page 389) 61. An Update of the Spudich and Chiou Directivity Model Using the NGA-West 2 Dataset. Spudich, P., and Chiou, 75. Interpreting the 11th March 2011 Tohoku, Japan, B. S. J. Earthquake Ground-Motions Using Stochastic Finite- 62. Ground-Motion Prediction Equations for Southeastern Fault Simulations. Ghofrani, H., Atkinson, G. M., Goda, Australia Assuming Variable Stress Parameters. Allen, T. K., and Assatourians, K. I. 76. Long-term Change of Site Response and High-Frequency 63. Ground Motion Ampli,cation at the Mexicali Valley, Baja Radiations Associated with the Mw9.0 Tohoku-Oki California, México. Vidal-Villegas, J. A., Vega-Guzmán, F. Earthquake in Japan. Wu, C., Peng, Z., and Assimaki, D. J., and Huerta-López, C. I. 77. Ground Motions in the Triggered Fukushima Hamadori 64. Explanatory Variables in Terrain-based VS30 Model. Normal-Faulting Earthquake Following the 2011 Tohoku Yong, A., and Iwahashi, J. J. Earthquake. Brune, J. N., and Biasi, G. (presented by 65. A Hybrid Slope-Geology VS30 Mapping Strategy. Anderson, J.) "ompson, E. M., and Wald, D. J. 78. Onshore Surface Fault Rupture and Crustal Deformation 66. Sea--oor Marine Site Characterization Using Earthquake from the 11 April 2011 Mw6.6 Hamadoori Earthquake, Data Recorded at the Gulf of California, México. Huerta- Japan (an A'ershock of the 11 March 2011 Tohoku Lopez, C. I., Castro-Escamilla, R. R., Gaherty, J. B., and O)shore Earthquake, Japan). Kelson, K. I., Ryder, I., Collins, J. A. Streig, A. R., Bray, J. D., Konagai, K., Harder, L., and 67. Analysis of Joint Time-Frequency Spectral Decomposition Kishida, T. of Acceleration Time Series from the 17 December 2011 79. High-Frequency Back-Propagation Applied to the Strong- Mw. 5.1 Puerto Rico Earthquake. Upegui-Botero, F. Motion Data from the 2011 Tohoku Mw 9.1 Earthquake. M., Huerta-Lopez, C. I., Caro-Cortes, J. A., Martinez- Yano, T. E., Shao, G., and Ji, C. Cruzado, J. A., Suarez Colche, L. E., and the Puerto Rico

334 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 8 Wednesday, 18 April—Concurrent Oral Sessions

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 Tying Near$eld Numerical Modeling of Seismicity in Volcanic U.S.-China Collaborations Phenomenology to Far$eld Earthquake Motion and Environments in Seismological and Measurements: Explosion Seismic Wave Propagation Session Chairs: Darcy Earthquake Studies Source Physics and Energy Session Chairs: Emmanuel Ogden and Eric Dunham Session Chairs: Mian Liu, Propagation "rough Chaljub, Steven Day, and (see page 399) Randy Keller, Larry Brown, Complex Media Peter Moczo(see page 394) and Yongshuan (John) Chen Session Chairs: Robert (see page 404) Abbott, Tarabay Antoun, Howard Patton, Chandan Saikia, and Catherine Snelson (see page 390)

8:30 *e Source Physics FD Modeling of Seismic Invited: Migrating New Opportunities of Experiments (SPE) at the Motion with a Stable Swarms of Brittle-Failure US-China Collaborations Nevada National Security Arbitrarily Discontinuous Earthquakes in the Lower in Seismological and Site (NNSS). Snelson, C. Staggered Grid. Kristek, J., Crust Beneath Mammoth Earthquake Studies. Liu, M., Chimpan, V. D., White, Moczo, P., and Galis, M. Mountain, California. M., Keller, G. R., Brown, L., R. L., Emmitt, R. F., and Shelly, D. R., and Hill, D. P. and Chen, Y. J. Townsend, M. J.

8:45 Analysis of Near-Field Increasing the Frequency I!"#$%&: *e Utility of I!"#$%&: Opportunities Ground Motions from the Resolution in Realistic Tracking Multiplets Across and Challenges for Source Physics Experiment. Seismic Wave Simulations by Several Eruptive Episodes at Expanded US-China Vorobiev, O., Antoun, T., Using a 4th Order Accurate Kīlauea Volcano, Hawai`i. Research in Seismology. Xu, H., Herbold, E., Glenn, Summation by Parts "elen, W. A. Simpson, D. W., L., and Lomov, I. Finite Di)erence Method. Willemann, R. J., Dong, S., Petersson, N. A., and and Wu, Z. Sjogreen, B.

9:00 Near Field Modeling of Accuracy of Numerical Locating a Microseism I!"#$%&: A Review of the High Explosive Sources: Use Schemes with Respect to Source in Southern Peru Deep Seismic Structure of Abaqus Coupled Euler- the P-wave to S-wave Speed from Ambient Noise Cross- of the Crust of China. Lagrange Capability for Ratio. Moczo, P., Kristek, correlation. Ma, Y., Clayton, Mooney, W. D., Wang, C. Modeling the Source Physics J., Galis, M., Chaljub, E., R. W., and Zhan, Z. Y., Zhang, Z. J., and Zhao, Experiment. Bradley, Chen, X., and Zhang, Z. J. M. C., Steedman, D., and Greening, D.

9:15 Factors A)ecting the Modeling of Wave Local Micro-Seismic Study I!"#$%&: Project Spallation Signature for the Propagation in Nonlinear the Menengai Geothermal INDEPTH: Origins and Source Physics Experiment Media for Inversion of Prospect in the Central Evolution of a 20-year (SPE-1). Rougier, E., Dynamic Soil Properties Kenya Domes. Patlan, E., International Collaboration. Knight, E. E., Sussman, A. from Earthquake Records. Wamalwa, A., *ompson, Brown, L. D., and Zhao, W. J., and Broome, S. T. Roten, D., Fäh, D., Laue, J., L. E., Kaip, G., and Velasco, and Bonilla, L. F. A. A.

Seismological Research Letters Volume 82, Number 2 March/April 2011 335 SSA 2012 Annual Meeting Program 9 Wednesday, 18 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 9:30 Nonlinear Simulation of Modeling Long Period (T Practical Considerations for I!"#$%&: *e Seismic Explosion Sources with > 4 sec) Strong Ground Applying Neural Network Structure at the edge of the Gravity and Propagation to Motions for the 2011 Mw Classi,cation Techniques Tibetan Plateau. Sandvol, Regional and Teleseismic 9 Tohoku-Oki Earthquake to Volcanic Earthquakes. E., Ceylan, S., Liang, X., Ni, Distances. Stevens, J. L., using an Enhanced Source West, E., and Bruton, P. J., Hearn, T., Chen, Y., and and O’Brien, M. S. Representation and 3D Liu, M. Seismic Velocity Models. Graves, R. W., Wei, S., and Helmberger, D.

9:45 Modeling Far-Field Seismic Why Should Stress Drop in Volcanic Seismic I!"#$%&: Sino-US Ground Motions from the Dynamic Earthquake Source Earthquakes at Mount St. Cooperation on Deep Source Physics Experiment Models Be Heterogeneous Helens Exhibit Constant Seismic Studies and Explosions with *ree- with a Power-Law Spatial Seismically Radiated Energy Education Focused on Dimensional Simulations, Fourier Transform with per Unit Size. Harrington, Continental Tectonics: Including Hydrodynamic Exponent -1 ? Andrews, R. M., and Kwiatek, G. Initial Results of Modeling of the Source. D. J. Cooperation on Pitarka, A., Mellors, R. J., SinoProbe02 Projects. Gao, Rodgers, A. J., Harben, P. E., R., Keller, G. R., Liu, M., Li, Wagoner, J. L., Walter, W. R., Q. S., Zhang, S. H., Li, Y. K., Pasyanos, M. E., Petersson, and Huang, D. D. A., and Xu, H.

Break—Golden Ballroom

10:30 Seismic P and S Source Constraints on Strong I!"#$%&: A Mechanism for I!"#$%&: Joint Active and Functions of Underground Ground Motion from Sustained, Energetic Tremor Passive Arrays for Study of Chemical Explosions Complex Dynamic Rupture Heralding Rapid Onset of Active Orogens. Wu, F. T. (SPE). Xu, H., Antoun, Simulations in Elastic and the 2004–2008 Eruption A., Rodgers, A., Glenn, L., Plastic Media. Gabriel, A. of Mount Saint Helens, Vorobiev, O., Lomov, I., A., Ampuero, J. P., Mai, P. Washington. Denlinger, R. Herbold, E., Walter, W., and M., and Dalguer, L. A. P., and Moran, S. Ford, S.

10:45 Investigating How Earthquake source dynamics I!"#$%&: A Comparison of Constraints on Regional and Why P/S Ratios of the 2011 Mw 9.0 Tohoku Tremor Before, During, and Stresses Prior to the 2008 Discriminate Explosions Earthquake Constrained A'er the Explosive Eruption Mw 7.9 Wenchuan, China, from Earthquakes Using the with Kinematic Source of Redoubt Volcano, Alaska Earthquake from Coseismic Source Physics Experiment Inversion Results. Galvez, in 2009. Hotovec, A. J., Slip Models and A'ershock at the NNSS. Walter, W. P., Dalguer, L. A., Ampuero, Prejean, S. G., Vidale, J. E., Mechanisms. Hetland, E. R., Ford, S., Mellors, R., J. P., and Nissen-Meyer, T. and Gomberg, J. S. A., Medina Luna, L., and Pasyanos, M., Matzel, D., Feng, G. Rodgers, A., Pitarka, A., Xu, H., Antoun, T., Vorobiev, O., Lomov, I., Glenn, L., Myers, S., Hauk, T., Dodge, D., and Ruppert, S.

336 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 10 Wednesday, 18 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7

11:00 SPE Source Characterization Computation of H/V Modeling of Volcanic Seismic Hazard Assessment Using Hydrodynamic- Spectral Ratios of Tremor as Repeating and Mitigation Policy for to-Seismic Coupling and Microtremors at Sites with Earthquakes. Dmitrieva, Tianshui, Gansu Province, Moment-Tensor Inversion. Strong Lateral Heterogeneity K., and Dunham, E. M. China. Wang, Z., Woolery, Yang, X., Patton, H. J., using Di)use Field *eory E., and Wang, L. Rougier, E., and Rowe, C. A. and IBEM. Molina- Villegas, J. C., Perez- Gavilan, J. J., Suarez, M., Franco-Cruz, P., Chavez- Zamorate, N., Sanchez- Sesma, F. J., Matsushima, S., Kawase, H., and Luzon, F.

11:15 Moment Tensor Analysis of On Numerical Solving the I!"#$%&: Very-Long-Period Extent of Sedimentary Fill SPE-1 and -2. Ford, S. R., Complex Eikonal Equation Earthquakes and Cycles beneath Tangshan, China Mellors, R. J., and Walter, using Ray Tracing Methods. of Conduit Sealing and as Modeled by 3D Seismic W. R. Vavrycuk, V. Pu+ng at Fuego Volcano, Survey. Chang, J. C., Keller, Guatemala. Waite, G. P., G. R., Qu, G., and Harder, Lyons, J. J., Nadeau, P. A., S. H. and Brill, K. A.

11:30 Analysis of the In-uence Development and I!"#$%&: Santiaguito 2012: EARTHSCOPE of Topography and Local Optimizations of a SCEC Lower Explosion Rate, and SINOPROBE Wave propagation Model Community Anelastic Higher Intensity. Lees, J. Magnetotelluric on Waveforms Recorded Wave Propagation Platform M., Johnson, J. B., Lyons, J., Arrays: Contrasts and During the Source Physics for Multicore Systems and Anderson, J., and Nies, A. Collaborations across Experiments. Detecting GPU-based Accelerators. Interdisciplinary Deformation in the New Cui, Y., Olsen, K. B., Zhou, Continental Scale Programs. Madrid Seismic Zone using J., Small, P., Chourasia, A., Schultz, A., and Hu, X. Radar Interferometry. Day, S. M., Maechling, P. J., Saikia, C. K., Woods, and Jordan, T. H. M., Miller, J., Nguyen, B., Snelson, C., Townsend, M., and Dwyer, J. J.

11:45 Generation and Propagation Topography E)ects on a Photogrammetry and Crustal Structure of the of Shear Waves from the Single Slope: *e E)ects Seismic Observations Solonker Collision Zone: HUMBLE REDWOOD of SV Incidence Angle. of Eruptive Activity at Preliminary Interpretation Explosions. Bonner, J. L., Mohammadi, K., and Santiaguito Volcano, of A Deep Seismic Leidig, M. R., Reinke, R., Assimaki, D. Guatemala 2007-2012. Nies, Re-ection Pro,le in North and Lenox, E. A. P., Lees, J. M., Andrews, China. Zhang, S., Gao, R., B. J., Johnson, J. B., Lyons, J. Hou, H., Li, H., Li, Q., Li, J., and Anderson, J. C., Randy, K. G., and Liu, M.

12:00 Lunch—Town and Country Room

Seismological Research Letters Volume 82, Number 2 March/April 2011 337 SSA 2012 Annual Meeting Program 11 Wednesday, 18 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 Earthquake Debate #1: El Mayor-Cucapah, Structure Models, Macroseismic E#ects Concept of Segmentation Baja California M7.2 Wavespeed, and in Recent and Ancient Session Chairs: Danijel Earthquake of 4 April Attenuation Earthquakes and their Schorlemmer, David 2010: Research Results Session Chair: Vera Schulte Relationship to Ground Jackson, Matt C. and Lessons (see page 401) Motion Parameters Gerstenberger, and Matthias Session Chairs: Victor Wong Session Chairs: Klaus-G. Holschneider (see page and Raul Castro (see page Hinzen, Luigi Cucci, 393) 396) Mariano Garcia-Fernandez, and Andrea Tertulliani (see page 407)

1:30 I!"#$%&: Segment *e Importance of Geologic An Integrated Geophysical- Using Chimney Damage to Boundaries: It May Coupling in Understanding Geological Study of a Quantify Ground Motions be a Matter of Time. the Complexities of the Landslide in Paleogene of Historic Earthquakes in Gold$nger, C. (30 minutes) 2010 El Mayor-Cucapah Volcanic Deposits along Eastern North America. Earthquake: Use of A Buried the Wasatch Front, Utah. Ebel, J. E. High-Density Broadband Hoopes, J. C., McBride, Geophone Network. Taylor, J. H., Christiansen, E. H., O. D. S., McKenna, M., and Kowallis, B. J., *ompson, Lester, A. T. J., Tingey, D. G., and Okojie-Ayoro, A. O.

1:45 Coseismic Deformation for True versus Apparent ShakeMap Best Practices: the 2010 El Mayor-Cucapah Vertical Moho O)sets across Historic and Modern Earthquake Estimated from Continental Strike-Slip Events. Johnson, K. L., Cross-Correlation of Pre- Faults from Azimuthally García, D., Worden, C. B., and Post-Event Airborne Dependent Joint Inversion Lin, K., Mah, R., Marano, Lidar Surveys. Borsa, A. A., of Surface Waves and K. D., Hearne, M., and and Minster, J. B. Receiver Functions. Wald, D. J. Schulte-Pelkum, V., and Ben-Zion, Y.

2:00 I!"#$%&: Evidence Against UAVSAR Observations of *ree-Dimensional Vp and Spatial Correlation of the Hypothesis of Fault Slip on Faults in the Salton Vp/Vs Structure Models, Modi,ed Mercalli Intensity Segmentation. Hardebeck, Trough Associated with Earthquake Relocations derived from High-Density J. L. (30 minutes) the 2010 M 7.2 El Mayor- for the Coso, Southern Internet-based Reports. Cucapah Earthquake. California. Zhang, Q., and Worden, C. B., Wald, Donnellan, A., and Parker, Lin, G. Q. D. J., Johnson, K. L., and J. W. Quitoriano, V.

2:15 Fault Rupture Associated Moho-Depth Diking Computer-aided Assessment With the 14 June 2010 and Structural Controls of Macroseismic Intensity Mw 5.7 A'ershock of on Microplate Ri'ing by the Fuzzy Sets Method. the El Mayor-Cucapah Mechanisms along the Tripone, D., Vannucci, G., Earthquake. Treiman, J. A., Northern Sierra Nevada Gasperini, P., and Ferrari, G. Rymer, M. J., Kendrick, K. - Walker Lane Boundary. J., and Fielding, E. J. Smith, K. D., von Seggern, D., Kent, G. M., Eisses, A., and Driscoll, N. W.

338 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 12 Wednesday, 18 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 2:30 Discussion Precise Relocation of the New Insights Into Peak Ground Acceleration Northern A'ershock Geometric Attenuation for in Port-au-Prince, Haiti, Sequence Following Eastern North America. During the M7.0 12 January the 4 April 2010 Mw Crempien, J. G. F., and 2010 Haiti Earthquake 7.2 El Mayor-Cucapah Archuleta, R. J. Estimated from Horizontal Earthquake. Kroll, K. A., Rigid Body Displacement. Cochran, E. S., Richards- Hough, S. E., and and Dinger, K. B. Taniguchi, T.

2:45 Observations of Isotropic Kappa Scaling for Western *e Earthquake Rotated Radiation from A'ershocks U.S. Ground Motion Obelisk in Lorca, Spain. of the 4 April 2010 (Mw Prediction Equations. Hinzen, K. G., and 7.2) El Mayor-Cucapah Alatik, L., Kottke, A., Fernandez, M. G. Earthquake, Baja California, Abrahamson, N., and Mexico. Castro, R. R., Ben- Renault, P. Zion, Y., and Wong, V.

Break—Golden Ballroom Earthquake Debate #2: El Mayor-Cucapah, "e M5.8 Central Virginia Non-Volcanic Tremor, PSHA Methodology Baja California M7.2 and the M5.6 Oklahoma Slow-Slip Events and Session Chairs: Danijel Earthquake of 4 April Earthquakes of 2011 Remote Triggering Schorlemmer, David Jackson, 2010: Research Results Session Chairs: Stephen Session Chair: Michel Matt C. Gerstenberger, and and Lessons (continued) Horton and Robert Campillo (see page 408) Matthias Holschneider (see Williams (see page 403) page 393)

3:30 I!"#$%&: Has PSHA Stress Drop Spatial Foreshock and A'ershock Relations Between Done Its Time? *e Hazard Variability and Magnitude Sequences of the 2011 M5.6 Velocity Changes, Strain Mapper’s Perspective. Dependence for the 2010 Oklahoma Earthquake. Rate and Non-Volcanic Stirling, M. W. (30 El Mayor A'ershocks 3.5 < Keranen, K. M., Holland, Tremors during the 2009- minutes) Mw < 5.7. Crempien, J. G. A., Savage, H., Atekwana, 2010 Slow Slip Event in F., and Archuleta, R. J. E., Cochran, E., Sumy, D., Guerrero, Mexico. Rivet, D., Rubinstein, J., and Kaven, J. Campillo, M., Zigone, D., Radiguet, M., Cruz-Atienza, V., Shapiro, N. M., and the G-GAP team

3:45 Preliminary Estimate of Are Seismicity Rate Changes Episodic Tremor as Slow-slip Shallow Crustal Anisotropy in the Midcontinent Natural events (SSE) at Park,eld, in the Yuha Desert, or Manmade? Ellsworth, CA. Guilhem, A., and California From A'ershocks W. L., Hickman, S. H., Nadeau, R. M. of the 2010 M7.2 El Mayor- Lleons, A. L., McGarr, Cucapah Earthquake. A., Michael, A. J., and Cochran, E. S., and Kroll, Rubinstein, J. L. K. A.

Seismological Research Letters Volume 82, Number 2 March/April 2011 339 SSA 2012 Annual Meeting Program 13 Wednesday, 18 April (continued)

Time Paci!c Salon 1 & 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 4:00 I!"#$%&: Probabilistic Coupling of Pore Pressure *e Rupture Process Modeling of 3D Complex Seismic Hazard Assessment and Ground Motion Data of the 23 August 2011 Tremor Migration Patterns. and the Hazards of Recorded During the 2010 Louisa County, Virginia Luo, Y., and Ampuero, J. P. Overcon,dence. Werner, El Mayor-Cucapah (Baja Earthquake. Chapman, M. M. J. (30 minutes) California) Earthquake at the NEES@UCSB Wildlife Station. Seale, S. W. H., Lavallee, D., Steidl, J. H., and Hegarty, P.

4:15 Electrical Resistivity A'ershock Imaging with Observations of Tectonic Change in the Upper Dense Arrays (AIDA) a'er Tremor on the Alpine Fault, Crust of Mexicali Valley the 23 August 2011, Mw New Zealand. Fry, B., Chao, a'er El Mayor-Cucapah 5.8, Virginia Earthquake: K., and Peng, Z. M7.2 Earthquake: From Results from a Prototype Magnetotelluric Data. Rapid Deployment of Large Cortes, O. J., and Romo, Numbers of Seismometers J. M. for High Resolution Source Characterization, Structural Imaging and 4D Monitoring. Brown, L. D., Hole, J. A., Quiros, D. A., Davenport, K., Han, L., Chen, C., Mooney, W., and Chapman, M.

4:30 Discussion Detecting Triggered Finite Source Modeling Investigating Interactions Earthquakes around Salton and Stress Drop of the of Creeping Segments Sea Following the 2010 2011 M5.8 Virginia with Adjacent Earthquake Mw7.2 El Mayor-Cucapah Earthquake Based on Rupture Zones in the Earthquake Using GPU Seismic Waveforms. Shao, Mendocino Triple Junction Parallel Computing. Meng, G., Crempien, J. G. F., Region. Taira, T. X., Peng, Z., Yu, X., and Archuleta, R. J., and Ji, C. Hong, B.

4:45 Evaluation of Predominant Seismic Investigations of Can We Do Back-Projection Site Periods of Ground Mineral, VA earthquake at Low Frequency? Meng, Motion Stations During the Impact to the North Anna L., Ampuero, J. P., Luo, Y., 2010 El Mayor-Cucapah Nuclear Power Plant. Li, Y. Wu, W., and Ni, S. Earthquake Using H/V Response Spectral Ratio Method. Liao, Y., and Meneses, J.

5:15 Joyner Lecture—Town & Country Room Building Near Faults. Bray, J. D. (see page 409)

340 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 14 Wednesday, 18 April—Morning Poster Sessions El Mayor-Cucapah, Baja California M7.2 Earthquake of 4 April 2010: Research Results and Lessons (see page 413) Challenging the Idea of Seismic Coupling along Subduction Zones: Chile, Sumatra, Tohoku… 15. Coseismic and Postseismic Deformation of the 2010 El What’s Next? (see page 409) Mayor-Cucapah Earthquake from ALOS PALSAR and Funning, G. J. and 1. Stress Rotations and Stress Ratio Changes due to Great GPS data. , Ryder, I., Floyd, M. A. Earthquakes: Implications for Subduction Zone Coupling. 16. El Mayor Cucapah Earthquake: Postseismic Deformation Hardebeck, J. L. from InSAR and GPS Observations. Gonzalez Ortega, 2. Historical Seismograms: An Endangered Species? Okal, A., Sandwell, D., Fialko, Y., Gonzalez Garcia, J., Nava E. A., Kirby, S. H., and Lee, W. H. K. Pichardo, A., Fletcher, J., Lipovsky, B., and Floyd, M. 3. Seismicity Associated with a Stranded Plate Fragment 17. Slip on Faults and Destruction of Irrigation Canals Above the Juan de Fuca Slab in the Vicinity of the Triggered in the Mexicali Valley, Baja California, Mendocino Triple Junction. McCrory, P. A., Waldhauser, Mexico, by the 4 April 2010 Mw 7.2 El Mayor-Cucapah F., Oppenheimer, D. H., and Blair, J. L. Earthquake. Glowacka, E., Robles, B., Sarychikhina, O., 4. A Multiscale Slip Inversion Study Focused on the Initial Suarez, F., Ramirez, J., Nava, F. A., Gonzalez, J., Gonzalez, Rupture of the 2011 Tohoku Earthquake. Uchide, T. A., Mellors, R., Villela y Mendoza, A., Farfan, F., Diaz de 5. Giant Eruptions did not Frequently Occur in the Periods Cossio, B. G., and Garcia, M. A. When Giant Earthquakes Frequently Occurred and vice 18. Analysis of Site E)ects Observed at the NEES@ versa a'er 1900. Fujii, Y. UCSB Wildlife Station from the 2010 Ocotillo Swarm. 6. Geologic Controls on the Rupture of the Semidi and Huthsing, D. A., Seale, S. W. H., and Steidl, J. H. Fox Islands Sections of the Alaska-Aleutian Megathrust 19. Detecting and Locating Earthquakes in the Northern with Implications for the Generation of a Trans-Paci,c Gulf of California Using Surface Wave Back-Projection. Tsunami. Ryan, H. F., von Huene, R., Scholl, D. W., and Butcher, A. J., Polet, J., and *io, H. K. Kirby, S. H. 20. Observations of Multiple Body Wave Phases of the 2010 7. Role of *ermal-Pressurization on Megathrust Ruptures. El Mayor-Cucapah Earthquake Using a High-Density Cubas, N., Avouac, J. P., and Lapusta, N. Seismic Array. Lester, A., Taylor, O. D. S., and McKenna, 8. Exploring Relationships Between *ree-Dimensional M. Subduction Zone Geometry and Coupling in Subduction 21. Linear and Nonlinear Soil Response at the Mexicali Zones. Hayes, G. P., Wald, D. J., and Briggs, R. W. Valley, Baja California, México During the El Mayor- 9. A'ershocks of the 2011 Tohoku-Oki Earthquake and Cucapah Earthquake of 4 April 2010 (Mw 7.2) and *eir Relation to Stresses in the Japan Trench Megathrust other Past Earthquakes of the Region. Munguia, L., and Seismic Cycle. Medina Luna, L., West, S. E., Bai, L., Gonzalez, M. Hetland, E. A., Ritsema, J., and Kanda, R. V. S. 22. Structural Characteristics of the Southeast Mexicali, 10. Weakening of the near Surface in Japan a'er the 2011 Baja California, México, Region before the El Mayor- Tohoku-Oki Earthquake Detected by Deconvolution Cucapah, M7.2 Earthquake of 4 April 2010, from Seismic Interferometry. Nakata, N., and Snieder, R. Re-ection. Gonzalez-Escobar, M., Chanes-Martinez, J. J., Suarez-Vidal, F., and Arregui-Ojeda, S. Dynamics of Seismicity Beyond Universal Scaling Laws 23. A Crustal Velocity Model for Southern Mexicali Valley, (see page 412) Baja California, México. Ramirez-Ramos, E. E., and Vidal-Villegas, J. A. 11. Systematic Analysis of Spatial Symmetry Properties of A'ershocks in California with Respect to Epicentral Macroseismic E#ects in Recent and Ancient Earthquakes Locations of Mainshocks. Ross, Z. E., Zaliapin, I., and and their Relationship to Ground Motion Parameters (see Ben-Zion, Y. page 415) 12. Using Cross Correlation to Indicate Induced Seismicity. Oprsal, I., and Eisner, L. 24. Rotational E)ects Produced by the Mw 6.3 2009 13. Correlation of Peak Dynamic and Static Coulomb Failure L’Aquila Earthquake: a Review on how the Seimological, Stress with Seismicity Rate Change a'er the M7.2 El Mayor- Geological, Topographical and Geomorphological Factors Cucapah Earthquake. Withers, K. B., and Olsen, K. B. Can In-uence the Occurrence of Earthquake-induced Rotations. Cucci, L., Tertulliani, A., Pietrantonio, G., Earthquake Debate #1: Concept of Segmentation (see page and Castellano, C. 412) 25. Rotation of Objects during the 2009 L’Aquila Earthquake analyzed with 3D Laserscans and Discrete Element 14. *e Impact of Fault Segmentation, Slip Variability and Models. Hinzen, K.-G., Cucci, L., and Tertulliani, A. Coupling on Probabilistic Tsunami Hazard Analysis. 26. Visualizing Structural Response and Site Ampli,cation "io, H. Using Earthquake Data Recorded at the NEES@UCSB

Seismological Research Letters Volume 82, Number 2 March/April 2011 341 SSA 2012 Annual Meeting Program 15 Wednesday, 18 April (continued) Field Sites. Seale, S. W. H., Steidl, J. H., Seale, L. B., and McGuire, J. J., Catchings, R. S., Lohman, R. B., Rymer, Chourasia, A. M. J., and Goldman, M. R. 41. Crustal Re-ectors In Nevada from Ambient Seismic Non-Volcanic Tremor, Slow-Slip Events and Remote Noise Autocorrelations, at Scales of Meters to Tens of Triggering (see page 415) Kilometers. Tibuleac, I. M., and von Seggern, D. H. 42. Using an Active Source to Analyze Coherence vs Distance 27. Array analysis for Cascadia tremor spectra and physi- and Estimate Q at the Garner Valley and Wildlife NEES@ cal properties of non-volcanic tremor sources. Yao, H., UCSB Field Sites. Steidl, J. H., and Civilini, F. Gersto', P., Shearer, P., Zhang, J., and Vidale, J. E. 43. A Regional High-frequency Attenuation (Kappa) Model 28. Event Detection in 2009 Socorro, NM Earthquake for Northwestern Turkey. Sisman, F. N., Pekcan, O., and Swarm and Costa Rican Non-Volcanic Tremor Using the Askan, A. Subspace Detector Method. Morton, E. A., Bilek, S. L., 44. *e Long Beach seismic experiment: A novel high-density and Rowe, C. A. array to examine seismic scattering. Dominguez, L. A., 29. Dual-Frequency Coherence, Repeated Events, and Non- Davis, P. M., and Hollis, D. Volcanic tremor. Dorman, L. M., and Schwartz, S. Y. 45. A Model-Based Approach to the Geophysical Estimation 30. Asperities in the Transition Zone Control Spatiotemporal of the *ickness of Lateritic Weathering Pro,les. Nelson, Evolution of Slow Earthquakes. Ghosh, A., Vidale, J. E., S. T., McBride, J. H., June, N., Tingey, D. G., Anderson, and Creager, K. C. J., and Turnbull, S. J. 31. Constructing a comprehensive low-frequency earth- quake catalog from a dense temporary deployment of "e M5.8 Central Virginia and the M5.6 Oklahoma seismometers along the Park,eld-Cholame segment of Earthquakes of 2011 (see page 419) the San Andreas fault. Sumy, D. F., Cochran, E. S., and Harrington, R. M. 46. Relocation and Comparison of the 2010 M4.3 and 32. Triggered Activity on an Adjacent Fault Deduced from 2011 M5.6 earthquake sequences in Lincoln County, Relocated A'ershocks of the 2010 Haiti Earthquake. Oklahoma. Toth, C. R., Holland, A. A., Keranen, K., Douilly, R., Symithe, S., Haase, J. S., Ellsworth, W. L., and Gibson, A. Bouin, M. P., Calais, E., Armbruster, J. G., Mercier de 47. Statistical Modeling of Seismicity Rate Changes in Lepinay, B. F., Deschamps, A., Mildor, S.-L., Meremonte, Oklahoma. Llenos, A. L., and Michael, A. J. M., and Hough, S. E. 48. Deep Fluid Injection near the M5.6 Oklahoma 33. Triggered Microearthquakes on the Park,eld section of Earthquake of November, 2011. Horton, S. P. the San Andreas Fault By the 2003 Mw6.5 San Simeon 49. *e 2011 M5.7 Mineral, VA and M5.6 Sparks, OK earthquake. Meng, X., Peng, Z., and Hardebeck, J. L. Earthquake Ground Motions and Stress Drops: An 34. A Revisit of the 2000 Mw 8.0 New Ireland Earthquake: Important Contribution to the NGA East Ground Evidence of Dynamic Trigger. Li, X., Shao, G., and Ji, C. Motion Database. Cramer, C. H., Kutliro), J. R., and 35. Global Observations of Triggered Tectonic Tremor. Peng, Dangkua, D. T. Z., Chao, K., Wu, C., Fry, B., Enescu, B., and Aiken, C. 50. Bayesian Extreme Maximum Magnitude (Mmax) Distributions. Tavakoli, B., and Gregor, N. Structure Models, Wavespeed, and Attenuation (see page 417) Wednesday, 18 April—Afternoon Poster Sessions

36. A New 3-D Structural Model of the Cascadia Subduction Deformation Processes and Properties of the San Jacinto Zone Incorporating P and S Wave Velocities. Angster, S. Fault Zone (see page 420) J., and Stephenson, W. J. 37. Global Correlations of Tomographic Models with 51. What Tales Does San Jacinto’s Microseismicity Tell? Tectonic Regions. Paulson, E. M., and Jordan, T. H. Tormann, T., Wiemer, S., and Hardebeck, J. L. 38. High Resolution Interseismic Crustal Velocity Model of 52. Assessing Strain Accumulation Rates across the San the San Andreas Fault from GPS and InSAR. Tong, X., Andreas and San Jacinto faults in the vicinity of San Sandwell, D. T., and Konter, B. Bernardino, California. Upton, E., McGill, S. F., Spinler, 39. Gravity Pro,les across the San Jose Fault on the Cal Poly J., and Bennett, R. A. Pomona Campus. Potter, H., Pazos, C., and Polet, J. 53. Time-Varying Deformation Adjacent to the San Jacinto 40. *e Obsidian Creep Project: Active and Passive Source Fault, 1985-2011: Results from Pinon Flat Observatory. Imaging of Faults in the Brawley Seismic Zone and Salton Agnew, D. C., and Wyatt, F. K. Sea Geothermal Field, Imperial County, California. 54. Modeling Spatio-Temporal Varaitons of Seismicity in the San Jacinto Fault Zone. Zöller, G., Ben-Zion, Y.

342 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 16 Wednesday, 18 April (continued) Numerical Modeling of Earthquake Motion and Seismic Seismicity in Volcanic Environments (see page 425) Wave Propagation (see page 421) 70. Insight into Eruptive Cyclic Behavior of Mount Etna dur- 55. Signatures of Ocean-Bottom Topography and Seawater ing 2011: Geophysical and Geochemical Constraints. Layer E)ects on Waveforms Recorded at the Ocean- Coltelli, M., Patane, D., Aiuppa, A., Aliotta, M., Aloisi, Bottom Floor and Teleseismic Distances from O)shore M., Behncke, B., Cannata, A., Cannavò, F., Di Grazia, Earthquakes. Pitarka, Graves, and Helmberger G., Gambino, S., Gurrieri, S., Mattia, M., Montalto, P., 56. Dynamic Ruptures with O)-Fault Visco-Elastic Brittle Presti,lippo, M., Puglisi, G., Salerno, G., and Scandurra, D. Damage. Xu, S., Ben-Zion, Y., Ampuero, J. P., and 71. Multi-Year Spatiotemporal Evolution of Seismicity in Lyakhovsky, V. Hawaii from High-Precision Relocations. Matoza, R. S., 57. PyLith: A Finite-Element Code for Modeling Quasi- Shearer, P. M., Lin, G., Wolfe, C. J., and Okubo, P. G. Static and Dynamic Crustal Deformation. Aagaard, B. 72. Excitation of Seismic Signals in Basaltic Fissure Eruptions. T., Williams, C. A., and Knepley, M. G. Dunham, E. M., Lipovsky, B. P., and Soto, E. S. 58. Veri,cation of 3D Numerical Modeling of Earthquake 73. Measurements of Volcanic Tremor at Kilauea from a Ground Motion in the Mygdonian Basin, Greece. Temporary Seismic Deployment. Greenwood, R. N., Chaljub, E., Maufroy, E., Hollender, F., Bard, P. Y., Polet, J., and *elen, W. A. Kristek, J., Moczo, P., Klin, P., Priolo, E., Etienne, V., 74. *e August and October 2008 Earthquake Swarms on the Bielak, J., Aoi, S., Iwata, T., Iwaki, A., and Mariotti, C. Explorer/Paci,c Plate Boundary. Czoski, P. A., Trehu, A. 59. 3D Finite-Di)erence Modeling of Tremor along the San M., Williams, M. C., Dziak, R. P., and Embley, R. W. Andreas Fault near Cholame, California. Gottschaemmer, 75. A Comparison of Deformation and Seismicity at the E., Harrington, R. M., and Cochran, E. S. Yellowstone Caldera during the 2004-2010 Upli' 60. Initialization of Spontaneous Rupture Propagation in a Episode. Puskas, C. M., Farrell, J., Hodgkinson, K., Dynamic Model with Linear Slip-Weakening Friction—a Chang, W. L., Massin, F., and Smith, R. B. Parametric Study. Galis, M., Pelties, C., Kristek, J., and 76. Temporal Variations in Shear-Wave Splitting Associated Moczo, P. with Kilauea’s Summit Eruptive Vent. Johnson, J. H., 61. Dynamic Rupture Process and Deformation of Sea Floor Poland, M. P., and Okubo, P. G. associated with the Mw 9.0 Tohoku Oki Earthquake. Tamura, S., Ide, S., and Ma, S. Uncertainty in the Estimation of Earthquake Hazard (see 62. Inclusion of Topographic E)ects in Large Scale Ground page 426) Motion Simulations Using an Octree/Quadtree Mesh 77. Errors or Biases in Event mb: In-uence on Stress- Based Finite Element Approach. Ramirez-Guzman, L. Parameters Estimated by mb Vs Mw for Continental 63. Dynamic Response and Ground-Motion E)ects of Crust Earthquakes. Dewey, J. W., and Boore, D. M. Building Clusters During Large Magnitude Earthquakes. 78. I!"#$%&: *e Quanti,cation of Consistent Logic Tree Isbiliroglu, Y. D., Taborda, R., and Bielak, J. Branch Weights for PSHA. Runge, A., and Scherbaum, 64. Dynamic Rupture along the San Gorgonio Pass Section F. of the San Andreas Fault. Shi, Z., Ma, S., Day, S. M., and 79. Using Averaging-Based Factorization to Compare Seismic Ely, G. P. Hazard Models Derived from 3D Earthquake Simulations 65. Improving Resolution of Finite Fault Modeling, Tohoku- with NGA Ground Motion Prediction Equations. Wang, Oki Earthquake. Wei S. J., Graves, R., Li, D. Z., and F., and Jordan, T. Helmberger, D. 80. Signi,cance of the Site Classi,cation Map in Earthquake Rotations in Strong-motion Seismology (see page 424) Loss Estimation by HAZUS based on a Case Study of the Gyeongju area, Korea. Kang, S., and Kim, K. H. 66. High Resolution Identi,cation of Shear and Torsional 81. Testing of Ground-Motion Prediction Equations via Wave Velocity Pro,les of Buildings—Methodology and Mixture Models. Kuehn, N. M., and Scherbaum, F. Application to Millikan Library. Rahmani, M. T., and 82. I!"#$%&: Constraints on the 1811–1812 New Madrid Todorovska, M. I. Earthquake Magnitudes from a Direct Comparison of 67. Generating of Rotational and Shear Seismic Waves by Intensity Observations with Known M7 Earthquakes. Anthropogenic Sources. Malek, J., and Brokesova, J. Cramer, C. H., and Boyd, O. S. 68. Forensic Analysis of the E)ects of the 1918 Puerto Rico 83. *e Hard Shock Revisited: New and Revised Felt Reports Earthquake. LaForge, R., and McCann, W. for the February 7, 1812 New Madrid Earthquake. Moran, 69. Report on progress at the Center for Engineering Strong N. K. Motion Data. Haddadi, H. R., Stephens, C. D., Shakal, 84. 3-D Rocking Response of Precariously Balanced Rocks. A. F., Savage, W., Huang, M., Leith, W., and Parrish, J. G. Veeraraghavan, S., and Krishnan, S.

Seismological Research Letters Volume 82, Number 2 March/April 2011 343 SSA 2012 Annual Meeting Program 17 Wednesday, 18 April (continued) U.S.-China Collaborations in Seismological and Re-ection Pro,ling by SINOPROBE. Lu, Z., Chen, C., Earthquake Studies (see page 428) Gao, R., Brown, L. D., Xiong, X., Li, W., and Deng, G. 89. Tectonic Interactions Between the Yangtze Block and 85. Late Pleistocene paleoseismology on the Maoergai fault, Songpan-Ganze Terrane: New Constraints from Deep eastern Tibet: implications for seismic hazard and selection Seismic Re-ection and Refraction Pro,les, as Well as of trench site on a purely strike-slip fault. Ren, J. J., Ding, Magnetic and Gravity Evidence. Guo, X., Gao, R., Keller, R., Xu, X. W., Zhang, S. S., Gong, Z., and Yeats, R. S. G. R., and Xu, X. 86. Dynamic Rupture Modeling of the 2008 Wenchuan 90. Preliminary Results of a Deep Seismic Re-ection Pro,le Earthquake. Liu, Q., Ji, C., and Archuleta, R. J. Across the Great Xing’an Mountain Range, NE China. 87. Slip History of the 2008 Mw 7.9 Wenchuan Earthquake Hou, H. S., Gao, R., Li, Q. S., Keller, R., Xiong, X. S., Li, Constrained by Jointly Inverting Seismic and Geodetic W. H., Li, H. Q., Zhu, X. S., Kuang, C. Y., and Huang, Observations. Shao, G., Ji, C., Lu, Z., Hudnut, K., Liu, J., D. D. Zhang, W., and Wang, Q. 91. Crustal structure of the Northern Margin of the North 88. New Constraints on Crustal Structure and Moho China Craton and Adjacent Region from the Sinoprobe02 Topography in Central Tibet Revealed by Deep Seismic North China Seismic WAR/R Experiment. Li, W. H., Keller, G. R., Gao, R., Li, Q. S., Cox, C. M., and Hou, H. S.

Thursday, 19 April

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 Challenging the Idea Deformation Uncertainty in Rotations in Strong- Earthquake Location of Seismic Coupling Processes and the Estimation of motion Seismology and Monitoring along Subduction Properties of the San Earthquake Hazard Session Chairs: Session Chair: Felix Zones: Chile, Jacinto Fault Zone Session Chairs: Nilesh Vladimir Graizer and Waldhauser (see page Sumatra, Tohoku… Session Chairs: Shome and Mark D. Maria Todorovska (see 447) What’s Next? Yehuda Ben-Zion, Petersen (see page page 448) Session Chairs: Tom Rockwell, and 440) Margarita Segkou and Frank Vernon (see William Ellsworth page 434) (see page 429)

8:30 Variation of Seismic Space Geodetic I!"#$%&: Seismic I!"#$%&: Di)erential Accuracy of Locating Radiation Spectrum Investigation Sources at Surface, and Rotational Seismic Sources: With Source Depth of Interseismic in Geologic Excitation of Physical Modeling Along Megathrust Deformation along Structures, and for Structures. Trifunac, and Interpretation. Faults in the Japan, the San Jacinto Hazard Modeling: M. D. T. (30 minutes) Krasnova, M. A., Chile, and Sumatra Fault: E)ects of Discrepancies Dyaur, N., and Subduction Zones. Heterogeneous Elastic and Uncertainties Chesnokov, E. M. Lay, T., Ye, L., and Structure and Fault in Continental Kanamori, H. Geometry. Lindsey, Environment. E. O., Sahakian, V. J., Okumura, K. Fialko, Y., Bock, Y., and Rockwell, T. K.

8:45 Is the Mariana Seismic Velocity Active Faults, Geodesy Timing Signal’s Subduction Zone Structure in the and Seismic Hazard in Spectral Amplitude, Decoupled. Emry, E. Trifurcation Area of the Northern Walker MSE, For sesimic L., and Wiens, D. A. the San Jacinto Fault Lane. Wesnousky, Source Location. Zone and Surrounding S. G., Hammond, Yacoub, N. Region from W., Kreemer, C., Double-di)erence Bormann, J., and Tomography. Allam, Brune, J. N. A. A., and Ben-Zion, Y.

344 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 18 Thursday, 19 April (continued)

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 9:00 Seismic Potential of Comparison of Attenuation I!"#$%&: Status Real-Time Double- the Lesser Antilles Tectonic Tremor in relationships for of Rotational Di)erence Location Subduction Zone: California. Peng, Z., HPGA: sensitivity Instrumentation for and Monitoring Insights from a Chao, K., and Aiken, analysis and Earthquakes. Evans, of Repeating Reinterpretation of C. applications. Mebarki, J. R., Hutt, C. R., and Earthquakes in the 8 February 1843 A., Laouami, N., Nigbor, R. L. Northern California. Earthquake. Hough, Benouar, D., and Waldhauser, F., S. E. Gherboudj, F. Scha), D. P., Zechar, J. D., and Friberg, P.

9:15 Questioning the Heterogeneity, Comparison of the I!"#$%&: Parametric E)ect of Earthquake Elastic Source Rotations of Source NGA Horizontal Analysis of Horizontal Location and Models for Shallow Tensors, and Ground Motion Surface Rotations Magnitude on Subduction Zone Volumetric Strain Prediction Models to from Body Waves Moment Tensors Earthquakes. Ma, S. near Faults from Focal the Turkish Strong Re-ections. Zembaty, in a South African Mechanism Data. Ground Motion Z. Gold Mine. Kane, Ross, Z. E., Ben-Zion, Database. Gulerce, D., Boettcher, M., Y., and Bailey, I. W. Z., Abrahamson, N. McGarr, A., Fletcher, A., and Kargioglu, B. J., Johnston, M., and Reches, Z.

9:30 Maximum Earthquake Ground Motion I!"#$%&: I!"#$%&: Observed Using the Quake- Size for Subduction Prediction Equations Capturing Epistemic Torsional Waves in Catcher Network’s Zones. Kagan, Y. Y., for Data Recorded Uncertainties in Buildings during Christchurch, New and Jackson, D. D. in the Immediate PSHA within a Logic Earthquakes and their Zealand Array to Vicinity of the San Tree Framework: Use for Structural Improve QCN Jacinto Fault Zone. Summing the Branch Health Monitoring. Rapid Earthquake Kurzon, I., Vernon, F. Weights to One is not Todorovska, M. I., Detections. Chung, L., Ben-Zion, Y., and Enough. Scherbaum, and Rahmani, M. T. A. I., Cochran, E. Atkinson, G. M. F., and Kuehn, N. M. S., Christensen, C., Kaiser, A. E., and Lawrence, J. F.

9:45 Seismology Cannot Using Spectral Ratios I!"#$%&: Uncertainty Comparision of Foreshock Detection Address Global of Pore Pressure and in Site Ampli,cation Apparent Wave for the 1999 Mw7.1 Clustering of M9 Strain Observations Estimation for Urban Velocities in Di)erent Hector Mine Sequence Earthquakes. Recorded at Seismic Hazard Areas. Luo, Q., Zhao, Using Running Gold$nger, C. EarthScope PBO Mapping. Cramer, S., and Hong, Z. Autocorrelation. Borehole Strainmeter C. H. Brown, J. A., Brown, Sites to Analyze J. R., and Beroza, G. Tectonic Deformation C. and Changes in Well Parameters due to Nearby Earthquakes. Civilini, F., and Steidl, J. H.

Break—Golden Ballroom

Seismological Research Letters Volume 82, Number 2 March/April 2011 345 SSA 2012 Annual Meeting Program 19 Thursday, 19 April (continued)

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 10:30 From Stable to Summary of Statistical Study of Rotaphone, a New Seismicity in and Destructive: How Paleoseismic Ground Motion Self-calibrated Six- around Bangladesh. Creeping Fault Observations Along Ampli,cation in degree-of-freedom Al-Hussaini, T. M., Segments Can Join the San Jacinto the Mississippi Seismic Sensor and and Al-Noman, M. N. Earthquakes and Fault. Rockwell, T. Embayment. Its Strong-motion Implications for K., Onderdonk, N., Malekmohammadi, Records. Brokesova, Seismic Hazard. McGill, S. F., Buga, M., and Pezeshk, S. J., and Malek, J. Lapusta, N., and M., Salisbury, J. B., Noda, H. and Pandey, A.

10:45 Rupture to the Temporally Steady Can Current New Using Broadband Queen Charlotte Trench in Dynamic but Spatially Variable Madrid Seismicity Seismometers as 2001 Earthquake Rupture Simulations Middle Pleistocene Be Explained as a Tilt Meters: A Case A'ershock Sequence. of Megathrust to Holocene Slip Decaying A'ershock Study at Santiaguito Mulder, T. L., and Subduction Zone Rates across the San Sequence? Page, M. Volcano, Guatemala. Rogers, G. C. Earthquakes. Kozdon, Jacinto Fault Zone, T., Hough, S. E., and Lyons, J. J., Lees, J. J. E., and Dunham, California. Blisniuk, Felzer, K. R. M., Johnson, J. B., and E. M. K., Oskin, M. E., Waite, G. P. Rockwell, T., Sharp, W., and Fletcher, K.

11:00 Frequency-Depth Late Holocene Slip A New Likelihood Rotational Ground Energy, Spectral Dependent Rupture Rate and Slip per Method for Motions as Inferred Content, and Modes of Subduction Event of the Northern Estimating Recurrence from Five Downhole Characteristics of Zone Megathrust San Jacinto Fault Interval Parameters Vertical Array *under in Central Earthquakes: Insights Zone. Onderdonk, from Paleoseismic Observations. New Mexico. Johnson, from Seismic Array N., McGill, S., and Event Series. Biasi, G., Graizer, V. R. L., Johnson, J. Analysis. Yao, H., Rockwell, T. and Scharer, K. B., Arechiga, R. O., Shearer, P., and Michnovicz, J. C., Gersto', P. Edens, H. E., and Rison, W.

11:15 Frequency-dependent Slip Rate of the I!"#$%&: Deep Mining Areas as Seismicity in the Energy Radiation and Northern San Uncertainties in Potential, Magnitude Central Valley of Fault Coupling for the Jacinto Fault from Characterizing the 5 Test Fields for Costa Rica. Quintero, 2010 Mw 8.8 Maule, O)set Landslides Cascadia Subduction Rotational Seismology. R., and Segura, T. J. Chile, and 2011 Mw in the San Timoteo Zone and *eir Zembaty, Z., and 9.0 Tohoku, Japan, Badlands. McGill, Seismic Hazard Cichowicz, A. Earthquake. Wang, S. F., Owen, L. A., Implications. Wong, D., and Mori, J. Kent, E., Rockwell, I., Kulkarni, R., T. K., Kendrick, K. J., Zachariasen, J., Dober, Onderdonk, N., and M., *omas, P., and Rhodes, E. Youngs, R.

346 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 20 Thursday, 19 April (continued)

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 11:30 Rupture Preliminary Fault Slip Rate An Autonomous Low- Developments at the Characterizations of Paleoseismic Results Variability and power Accelerograph ISC: GEM Catalogue, the 2011 Mw 9.1 o) from Southern Consequences for to Obtain Strong new Locator, GT & the Paci,c Coast of Clark Fault, San Seismic Hazard Motion Recordings Bulletin Re-Build. Tohoku Earthquake Jacinto Fault Zone, and Seismic Risk in Near Large Storchak, D. A., and Its March 9th Mw Southern California; Japan Resulting from Earthquakes. Shakal, Bondar, I., Di 7.4 Foreshock. Shao, Comparison to the Static Stress Changes A. F., Petersen, C. D., Giacomo, D. and, G., Ji, C., Archuleta, Hog Lake Paleoseismic Following the M9.0 and Reitz, T. R. Harris, J. R. J., and Zhao, D. Record. Buga, M. T., Tohoku Earthquake. Rockwell, T. K., and Apel, E., Nyst, M., Salisbury, J. B. and Williams, C.

11:45 Lateral Stress Drop *e Fault Zone Calculating A new Approach to Relationship Between Variations and the Architecture of the Earthquake Miniaturized Seismic Seismicity and Oil Tohoku A'ershocks San Jacinto Fault, Recurrence Rates from Broadband Sensors. Production. Kerimov, in the Context of Southern California. Partially Complete Guralp, C., and I. H. A., and Kerimov, Earthquake Source Morton, N., Girty, Earthquake Catalogs Rademacher, H. S. I. Characteristics in G. H., and Rockwell, with Uncertain Japan. Oth, A. T. K. Magnitudes—from M* to N*. Youngs, R. R.

12:00 Lunch—Town and Country Room Challenging the Idea Deformation Uncertainty in Continental Earthquakes and of Seismic Coupling Processes and the Estimation of Lithospheric Tsunamis at Coastal along Subduction Properties of the San Earthquake Hazard Structure and Archaeological Sites Zones: Chile, Jacinto Fault Zone (continued) Tectonics of Central Session Chairs: Sumatra, Tohoku… (continued) North America Manuel Sintubin, What’s Next? Session Chairs: Beverly N. Goodman (continued) Meghan S. Miller, M. Tchernov, and Tina Beatrice Magnani, M. Niemi (see page and Luciana Astiz (see 447) page 450)

1:30 Interlocking of Permeability Structure I!"#$%&: *e Use of Lithosphere- *e First Description Heterogeneous of the San Jacinto Multi-Layer Source Asthenosphere of a Tsunami in 479 Plate Coupling for Fault Zone, Horse Zones in Assessing Structure beneath BC by Herodotus: the 2011 Tohoku- Canyon, California. Uncertainty in the the United States Sedimentary Evidence Oki Megathrust Mitchell, T. M., Spatial Distribution from Joint Inversion in the *ermaikos Earthquake: An Girty, G. H., Morton, of Earthquakes. of Body Waves and Gulf (Greece). Integral Account N., Rockwell, T. K., Leonard, M., Clark, Surface Waves. Reicherter, K., of Asperity Model and Renner, J. D., Burbidge, D., and Porritt, R. W., Allen, Papanikolaou, I. D., with E)ective Plate Collins, C. R. M., Pollitz, F. F., and Mathes-Schmidt, Coupling. Tajima, F., Hung, S. H., and M. and Grant Ludwig, L. Obrebski, M. J.

Seismological Research Letters Volume 82, Number 2 March/April 2011 347 SSA 2012 Annual Meeting Program 21 Thursday, 19 April (continued)

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 1:45 Triggering of Tremors Speculations On Probabilistic Seismic P-velocity Structures Evidence for a and Slow Slip the Role of Ground Hazard Assessment in beneath the Potential Tsunami event in Guerrero Shaking In the Europe: Uncertainty Midwestern United on the Shelf of the (Mexico) by the Production of Treatment for States Based on Northern Gulf of 2010 Mw 8.8 Maule, High Dilational a Harmonized Waveform Modeling. Aqaba, Dead Sea Chile, Earthquake. Volumetric Strains Approach. Woessner, Chu, R., Li, D., and Transform. Galloway, Zigone, D., Rivet, In Saprock Adjacent J., Danciu, L., Helmberger, D. J., Niemi, T. M., D., Radiguet, M., to the Elsinore Giardini, D., and the Goodman Tchernov, Campillo, M., Fault, Southern SHARE Consortium B., Ben-Avraham, Voisin, C., Cotte, California. Maroun, Z., Al-Zoubi, A., and N., Walpersdorf, M., Replogle, C. T., Tibor, G. A., Shapiro, N. M., Carrasco, T. L., Colby, Cougoulat, G., Roux, T. A., Girty, G. H., P., Kostoglodov, and Rockwell, T. K. V., Husker, A., and Payero, J. S.

2:00 A 5600-Year Historic Reconciling Assessing Earthquake A *ree Dimensional Evaluating the Impact and Paleoseismic Precariously Balanced Source Models Under Crustal Structure of Earthquakes on Record of 10 Rocks with Large Uncertainty with Target for the Minoan Coastal Great Subduction Earthquakes on Bayesian Analysis Northern Embayment Settlements: an Earthquakes and the the San Andreas and Parallel MCMC Lithosphere Example from the Seismic Cycle at the Fault System. Grant Algorithms. Cruz Experiment (Nele). Archaeological Site of Copper River Delta, Ludwig, L., Brune, J. Jimenez, H., Mai, P. Langston, C. A. Sissi, North-Eastern Alaska. Pla%er, G., N., Anooshehpoor, R., M., and Prudencio, Crete (Greece). and Lienkaemper, J. J. Purvance, M. D., and E. E. Jusseret, S., Langohr, Brune, R. J. C., and Sintubin, M.

2:15 Observation of a *e July 7th 2010 Stochastic Event *e Ozark-Illinois- Did a Major “Locking Event”: M5.4 Borrego Sampling for M9 INdiana- Kentucky Environmental Event A Newly Observed Springs Earthquake Cascadia Megathrust (OIINK!) EarthScope Lead to the Late Bronze Transient variation As Recorded By Earthquakes: Experiment: Age Abandonment of in the Pattern of Slip PBO Geodetic And Capturing the Seismicity and the Ancient Harbor De,cit at the Alaska Seismic Instruments. Uncertainties in Structure in City of Hala Sultan Subduction Zone. Hodgkinson, K. M. the Potential Event North America’s Tekke? Unraveling the Freymueller, J. T. H., Borsa, A., Mencin, Characterization. Midcontinent Sedimentary Record of D., Walls, C., Fox, O., Williams, C. R., Cratonic Platform. the Larnaca Salt Lake, and VanBoskirk Grossi, P., and Molas, Hamburger, M. W., Cyprus. Heyvaert, G. L. Pavlis, G. L., Yang, V. M. A., Sintubin, X. T., Sherrill, E. M., M., Verstraeten, G., Gilbert, H. J., Larson, Kaniewski, D., and T. H., and Marshak, S. Nys, K.

2:30 Panel Discussion on Geomorphic Evidence Quanti,cation of New Results on Searching for Challenging the Idea for Structural Uncertainty in Seismic the Structure and Tsunamigenic of Seismic Coupling Evolution of the Hazard Assessment. Evolution of Some Signatures in the along Subduction Northern San Jacinto Wang, Z. Major Structures Coastal Deposits of Zones: Sumatra Chile, Fault Zone in the San in the Central U. Caesarea Maritima. Tohoku… What’s Timoteo Badlands. S. Keller, G. R., Goodman Tchernov, Next? Segou, M., Kendrick, K. J., and Al-Refaee, H., and B. N., Dey, H. W., Ellsworth, W., and Morton, D. M. Guo, L. Lopéz, G. I., and *atcher, W. Sharvit, J.

348 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 22 Thursday, 19 April (continued)

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Paci!c Salon 6 & 7 2:45 Question and Answer Local Fault Structures A New Tool for Understanding Long- Question and Answer Session of the San Jacinto Trimming the Logic Term Fault Behavior: Session Fault Zone Based Tree: Assessing the Lessons Learned from on Earthquake Value of Hazard Well-Exposed Ancient Locations and Focal Information. Porter, Faults. Hatcher, R. D. Mechanisms. Kurzon, K. A., Field, E. H., I., and Vernon, F. L. and Milner, K.

Break—Golden Ballroom

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 Probabilistic Seismic "e 23 October 2011 Detecting, Modeling, and Continental Lithospheric Hazard Analyses, Models, Van, Turkey Earthquake: Predicting the Seismic Structure and Tectonics Maps, and Simulations Observations and Source of Central North America Session Chairs: Ivan Wong Implications Session Chairs: Yoshihiro (continued) (see page 433) Session Chairs: Gareth Kaneko (see page 443) Funning and Mike Floyd (see page 438)

3:30 Site-Speci,c Probabilistic Seismotectonics of the Toward a Better EarthScope’s Seismic Hazard Analyses for Lake Van Region and the Understanding of the Time Multidisciplinary USArray: Ground Shaking and Fault 23 October 2011 Van Dependence of mN-MW in Status and Results. Displacement in Downtown Earthquake (Mw=7.1). Eastern Canada. Bent, A. Frassetto, A., Woodward, San Diego, California. Gülen, L., Utkucu, M., L., and Greene, H. R., Busby, R., Hafner, K., Wong, I., *omas, P., Budakoglu, E., Yalcın, H. D., Gridley, J., and Schultz, A. Zachariasen, J., Schug, D., Güneş, Y., and Kalafat, D. and Stroop, R.

3:45 Dynamic Probabilistic Geologic and Engineering Extracting Source Earthquakes Possibly Seismic Hazard Maps. Observations from the Characteristics and Triggered by Hydraulic Holliday, J. R., and Rundle, Van Earthquake of 2011. Dynamics of the August Fracturing in Southeastern J. B. Scharer, K., Kuterdem, 2010 Mount Meager Oklahoma. Holland, A. A. K., Erkmen, C., Tekin, B., Landslide using Broadband Çolakoğlu, Z., Çelebi, M., Seismograms. Allstadt, and Holzer, T. K. E., Creager, K. C., and Vidale, J. E.

4:00 A Survey of Uses and Users Geotechnical Field Rate/State Friction Path-Dependent Lg of the USGS ShakeCast Observations from Model Implementation Propagation in the System. Lin, K., and Wald, 23 October 2011 Van for Earthquake Forecasts South-Central United D. J. Earthquake (Mw=7.1). in Northern California. States Revealed by Gulerce, Z., Çetin K. Ö., Segou, M., Parsons, T., and the EARTHSCOPE Yilmaz, M. T., Huvaj, N., Ellsworth, W. Transportable Array. Conn, Ünsever, Y. S., Ünsal, S., A., Chapman, M., Pezeshk, Sağlam, S., and Sandikkaya, S., and Hosseini, M. M. A.

Seismological Research Letters Volume 82, Number 2 March/April 2011 349 SSA 2012 Annual Meeting Program 23 Thursday, 19 April (continued)

Paci!c Salon 1 Paci!c Salon 2 Paci!c Salon 3 Paci!c Salon 4 & 5 4:15 A Time-dependent Update Preliminary Investigation of Full-,eld Laboratory Evaluation of Attenuation of the New Zealand Co-Seismic and Immediate Earthquake Measurements Models in North America. National Seismic Hazard Post-Seismic Deformation with the Digital Image Babaie Mahani, A., and Model for the Canterbury Due to the 23 October 2011, Correlation Method. Atkinson, G. M. Earthquake Sequence. Mw 7.2 Van-Ercis, Turkey, Rubino, V., Lapusta, N., Gerstenberger, M. C., Earthquake Using Space- and Rosakis, A. J. Rhoades, D., McVerry, Based Geodesy. Floyd, M. G., Berryman, K., A., Ergintav, S., Çakır, Z., Christophersen, A., Fry, B., Doğan, U., Özener, H., Nicol, A., Pettinga, J.R., Çakmak, R., Akoglu, A. M., Steacy, S., Stirling, M., McCa)rey, R., King, R. W., Reyners, M., and Williams, and Reilinger, R. E. C.

4:30 Geomechanical Modeling Finite Fault Slip Evolution Variability of Seismic Source Sensitivity of Seismic of Induced Seismicity for Model for the 23 October Spectra Derived from Soil Response to the Hazard Prediction. Goertz- 2011 Mw 7.1 Van, Turkey Cohesive-Zone Models Soil/Bedrock Acoustic Allmann, B. P., Bachmann, Earthquake from Geodetic of a Circular Rupture Impedance Contrast C., Gischig, V., and Wiemer, and Seismic Waveform Propagating at a Constant Ratio for Ottawa, Canada. S. Analysis. Fielding, E. J., Speed. Kaneko, Y., and Motazedian, M., Khaheshi Polet, J., Lundgren, P. R., Shearer, P. M. Banab, K., Kolaj, M., Yun, S. H., Motagh, M., Sivathayalan, S., Hunter, J., Owen, S. E., and Simons, M. and Crow, H.

4:45 Probabilistic Seismic Hazard *e Source and Attenuation *e Relation of University Crustal Velocities in the Assessment of Eastern Characteristics of Ground of Utah Local and Coda Region Surrounding the Marmara Region. Gulerce, Motions from the 23 Magnitudes to Moment Charlevoix Seismic Zone, Z., and Ocak, S. October 2011 Van, Turkey Magnitudes. Pechmann, J. Quebec, Canada. Powell, Earthquake. Yenier, E., and C., and Whidden, K. M. C., Lamontagne, M., and Atkinson, G. M. Kelemencky, S.

Thursday, 19 April—Morning Poster Sessions 6. Regional Seismicity Recorded by the USArray: *e ANF Bulletin. Astiz, L., Vernon, F. L., Eakins, J. A., Martynov, Continental Lithospheric Structure and Tectonics of V. M., Karasu, G. H., Tytell, J., Cox, T. A., Newman, R., Central North America (see page 453) Reyes, J., and Davis, G. A. 7. Tuning Detection Algorithms for the Analysis of 1. Teleseismic P-Wave Travel Time Residual Mapping In *e Dynamic Earthquake Triggering Using EarthScope’s Eastern Tennessee Seismic zone. Agbaje, T. C., Arroucau, USArray Data. Velasco, A. A., Kilb, D. L., Pankow, K. L., P., Vlahovic, G., Powell, C., and Rawlinson, N. and Gonzalez-Huizar, H. 2. Digital elevation model analysis in the eastern Tennessee 8. Resolving Variations in the Tectonostratigraphic Terrane seismic zone. Stearns, C., Arroucau, P., Vlahovic, G., Structure of New England Using Receiver Functions. Mulrooney, T., and Love, G. Schuh, J. S., and Ebel, J. E. 3. Ambient Noise Cross-Correlation in the Eastern Tennessee Seismic Zone (United States). Kuponiyi, A. P., Detecting, Modeling, and Predicting the Seismic Source Arroucau, P., Yongan, T., Vlahovic, G., and Vlahovic, B. (see page 455) 4. *e Relationship Between Earthquake Locations and Velocity Structure in the Eastern Tennessee Seismic Zone. 9. Generating Stochastic Source Models Using Insights from Powell, C. A., and Chapman, M. C. Laboratory Earthquakes. Siriki, H., and Krishnan, S. 5. Crustal Structure Between Minnesota and the Gulf Coast 10. Joint Inversion for Moment Tensors and Ampli,cations of from Joint Inversion of Surface-Wave Dispersion and Uncalibrated Sensors. Davi, R., and Vavrycuk, V. Receiver Functions. Chang, Y., and Herrmann, R. B. 11. Investigation of mLg Using Random Vibration *eory and Actual Earthquakes. Rigsby, C. M., and Herrmann, R. B.

350 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 24 Thursday, 19 April (continued) 12. Stress Forecasting in Vrancea Seismically Active Region of J., Ho)man, D., Boyd, O.S., USGS, Memphis, TN; and Romania. Apostol, A., Moldovan, I. A., Ionescu, C., and McCallister, N.S. Zugravescu, D. 29. UNESCO IOC Tsunami and Other Coastal Hazards 13. Real Time Forecasting of A'ershock Sequences. Felzer, Warning System for the Caribbean and Adjacent Regions. K., and Page, M. Von Hillebrandt-Andrade, C. G., Inniss, L., and 14. Lessons Learned from RELM: A Second-Generation Aliaga, B. ALM Model. Hiemer, S., Tormann, T., and Wiemer, S. 30. An Assessment of the USGS PAGER System’s Alerts and 15. Date, Lunar Phase and Time of Giant Earthquakes might Loss Estimates. Marano, K. D., Wald, D. J., Jaiswal, K., be Speci,ed for Each Subduction Zone. Fujii, Y., and and Hearne, M. Ozaki, Y. 31. Earthquake CAT Bond Trigger Design: Scenario-based 16. Detection of Tectonic, Volcanic, and Cyrospheric Seismic versus Station-Intensity-based Approaches. Goda, K. Sources in Antarctica using POLENET Seismic Array and GSN Seismic Stations. Lough, A., Barcheck, C. "e 23 October 2011 Van, Turkey Earthquake: G., Wiens, D., Barklage, M., Nyblade, A., Aster, R. A., Observations and Implications (see page 459) Anandakrishnan, S., Huerta, A., and Wilson, T. 32. Broadband Ground Motion Simulations of the 23 Earthquake Strong-Motion Modeling (see page 456) October 2011 Van (Eastern Turkey) Earthquake. Ameri, G., Gallovic, F., Askan, A., and Zahradnik, J. 17. Stochastic Modeling of the Source and Attenuation 33. 23 October 2011 Mw 7.1 Van (Eastern Turkey) Earthquake: Characteristics of Moderate-to-Large Magnitude Characteristics of Recorded Strong Ground Motions and Earthquakes: Investigation of Apparent Distance Post-Earthquake Condition Assessment of Infrastructure Saturation E)ects. Yenier, E., and Atkinson, G. M. and Cultural Heritage. Akansel, V., Ameri, G., Askan, A., 18. A Stochastic Ground-Motion Model for Switzerland. Caner, A., Erdil, B., Kale, O., and Okuyucu, D. Edwards, B., and Fäh, D. 34. 2011 Van Earthquake (Mw=7.2) A'ershocks using the 19. Exploring the Space of Stochastic Ground-Motion Models Source Spectra an Approach to Real-Time Estimation of through High-Dimensional Visualization. Gianniotis, N., Moment Magnitude. Meral Ozel, N., Kusmezer, A., and Kuehn, N. M., Riggelsen, C., and Scherbaum, F. Korkusuz, Y. 20. Spatial Statistics of the Clark County Parcel Map, Trial 35. *e Van Earthquake (Mw=7.2) of 23 October 2011 and Geotechnical Models, and E)ects on Earthquake Ground Its A'ershocks. Kalafat, D., Kekovali, K., Suvarıkli, M., Motions in Las Vegas Valley. Savran, W., Louie, J. N., Ogutcu, Z., Yilmazer, M., Gunes, Y., and Gulen, L. Pullammanappallil, S. K., and Pancha, A. 36. Coseismic Surface Deformation of the 23 October 2011 21. Scaling Low-Frequency Earthquake Spectra in a Van Earthquake from InSAR. Severson, C. M., and Stochastic Finite-Fault Modelling Technique. Crane, S., Funning, G. J. and Motazedian, D. 37. Fault Slip Distribution of the Mw 7.2 Van Earthquake 22. High-Frequency Ground Motion Modeling. Mourhatch, (2011) Imaged by DInSAR Data and Numerical Modeling. R., and Krishnan, S. Trasatti, E., Tolomei, C., Atzori, S., Merryman, J., 23. Simulation of Broadband Strong Ground Motion for the Antonioli, A., Pezzo, G., and Salvi, S. 2010 M 7.0 Haiti Earthquake. Mavroeidis, G. P., Scotti, 38. *e 2010–2011 Canterbury Earthquakes, New Zealand: C. M., and Papageorgiou, A. S. Multiple Fault Segments, Slip Distribution and Seismic Hazard. Elliott, J. R., Parsons, B., England, P. C., Nissen, Probabilistic Seismic Hazard Analyses, Models, Maps, E. K., Jackson, J. A., Lamb, S., Li, Z., and Oehlers, M. and Simulations (see page 458) Thursday, 19 April—Afternoon Poster Sessions 24. Large Scale Earthquake Hazard Class Mapping by Parcel In Las Vegas Valley. Pancha, A., Pullammanappallil, S. Earthquake Location and Monitoring (see page 461) K., Louie, J. N., and Hellmer, W. K. 25. EqHaz: A Monte Carlo Simulation Program for Seismic 39. Microseismic Monitoring of the Marmara Seismic Gap, Hazard Applications. Assatourians, and Atkinson NW Turkey: Recent Results From the PIRES Network 26. A Site-Speci,c Seismic Hazard Analysis in Northern and Challenges Ahead. Bohnho#, M., Bulut, F., Eken, T., Chile. Dober, M., Wong, I., Olig, S., and Bott, J. Aktar, M., and Dresen, G. 27. Geospatial Liquefaction Hazard Model for Kobe, Japan 40. Determination of Hypocentral and Focal Mechanism and Christchurch, New Zealand. Baise, L. G., Daley, D., Solutions for 3 November 2010 Kraljevo Earthquake Zhu, J., *ompson, E. M., and Knudsen, K. L. Sequence (Mw=5.4). Knezevic Antonijevic, S., 28. *e St. Louis Area Earthquake Hazards Mapping Project. Arroucau, P., and Vlahovic, G. Williams, R. A., Cramer, C. H., Rogers, J. D., Bauer, R. 41. Micro-Seismicity in Southwestern Yukon, Canada. A., Chung, J. W., Gaunt, D. L., Hempen, G. L., Steckel, P. Meighan, L. N., Mazzotti, S., and Cassidy, J.

Seismological Research Letters Volume 82, Number 2 March/April 2011 351 SSA 2012 Annual Meeting Program 25 Thursday, 19 April (continued) 42. Relocation of Micro-earthquakes in the Youngduk Adjacent Regions. "atcher, W., Simpson, R., and O)shore Region, Korea. Kim, K. H., Yoo, Y. G., Yu, C., Segou, M. Kang, S., and Kim, H. 59. Preliminary Interpretation of Subsurface Deformation 43. Enhanced Real-Time Seismic Monitoring in Hawai‘i. across the Olympic, Washington State: Evidence for Active Shiro, B., Okubo, P., Koyanagi, K., *elen, W., and Crustal Deformation in the Southern Puget Lowlands? Gernold, R. Odum, J. K., Stephenson, w. J., Pratt, T. L., Dart, R. L., 44. An Analysis of Haiti Earthquake (12 January 2010) Maharrey, J. Z., Volpi, C., King, B., and Ho)pauir, C. G. from Its A'ershock Sequence Using Land-Based and 60. Seismic Interferometry of the Salton Sea Geothermal O)-Shore Temporary Seismic Stations. Duchatelier, Region. Matzel, E. M. M. J., Arroucau, P., Mulrooney, T., Vlahovic, G., and Deschamps, A. Tying Near$eld Phenomenology to Far$eld 45. Discovering New Events Beyond the Catalog: A Look into Measurements: Explosion Source Physics and Energy Salton Sea Geothermal Field Microseismicity. Templeton, Propagation "rough Complex Media (see page 466) D. C., Wang, J., and Harris, D. B. 61. A Damage Mechanics Model for S Wave Generation by 46. *e PBO Borehole Seismometer Network, Filling in Explosions in Crystalline Rock. Sammis, C. G., Mihaly, Metadata Gaps. Fox, O., Pyatt, C., Mencin, D., Gallaher, J. M., and Rosakis, A. J. W., Johnson, W., Gottlieb, M., Van Boskirk, E., and 62. Can the Fisk Conjecture be Explained by Rock Damage Hodgkinson, K. Around Explosions? Taylor, S. R. 47. Epicentral Infrasound from Small Earthquakes in the 63. “Prompt” Versus “Late-Time” Damage: *e Case for Western United States. Hale, J. M., Pankow, K. L., Explosion-Generated Waves from Late-Time Damage Arrowsmith, S. J., Stump, B., and Hayward, C. S Due to Shock-Wave Interactions with the Free Surface. 48. Bayesian Travel-time Inversion for Earthquake hypo- Patton, H. J. central location. Davies, J. A., Vlahovic, G., and and 64. Correlating Near-Source Rock Damage from Single-Hole Arroucau, P. Explosions to Seismic Waves: II. Seismic Observations. 49. Re,nement and Testing of the PEDAL Event Detection Bonner, J. L., Stroujkova, A., Leidig, M. R., Boyd, P., and and Signal Association Algorithm. Draelos, T. J., Ballard, Martin, R. S., Young, C. J., Gonzales, M. A., and Brogan, R. 65. High Strain Rate Fracture Development in Granites: 50. Lessons Learned from the SPEAR (Seismogram Picking Comparing Experimental and Modeling Results. Error from Analyst Review) Project. Zeiler, C. P. Sussman, A. J., Rougier, E., Broome, S. T., Knight, E. E., Sensors and So&ware Techniques (see page 464) Schultz-Fellenz, E. S., and Townsend, M. 66. High-Resolution 3-D P- and S-wave Tomography of the 51. Assessment of GSN Sensor Response Information. Davis, Nevada National Security Site. Preston, L. A. P., and Berger, J. 67. Seismic Body Wave Velocities Derived from SPE P-Wave 52. High-Resolution, Low Power, Intergrated A'ershock Travel Times and Rg Phase Velocity Dispersion - Time System. Zimakov, L., and Passmore, P. Domain and Frequency Domain Methods. Rowe, C. A., 53. A So'ware Toolbox for Systematic Evaluation and Patton, H. J., Yang, X., and Rougier, E. Recovery of Seismometer-Digitizer System Responses. 68. Measured and Modeled Rotational Motions From SPE1, Ferris, A., Franks, J., and Bonner, J. SPE2, and Regional Earthquakes. Mellors, R. J., Harben, 54. A Technique to Determine the Self-Noise of Seismic P., Petersson, A., Rodgers, A. J., Walter, W. R., and Pitarka, Sensors for Performance Screening. Hart, D., Rademacher, A. H., and Guralp, C. 69. *e In-uence of Pre-Stress on Shear Wave Generation 55. Wave Gradiometry in *ree Dimensions. Poppeliers, C. From Explosions. Aldridge, D. F., and Preston, L. A. 70. Investigating the Possibility Underground Explosions Surface Deformation and Geodetic Techniques (see page Triggering Earthquakes by Means of Earthquake Rupture 464) Dynamic Models. Dalguer, L. A., and Haslinger, F. 71. 2D Modeling of Local Site E)ects on Seismic Data from 56. Detecting Deformation in the New Madrid Seismic Zone Source Physics Experiments. Larmat, C. S., and Patton, using Radar Interferometry. Esezobor, K. O., Yang, Z., H. J. and Vlahovic, G. 72. Source Spectral Variation and Yield Estimation Derived 57. Surface Deformation and Slip Distribution of the 1994 from High Frequency P and S Codas from Local High Northridge Earthquake Determined from InSAR, GPS Frequency Explosion Data. Mayeda, K., Yoo, S. H., and and the Community Fault Model. Severson, C. M., Bonner, J. Funning, G. J., and Marshall, S. T. 73. Source Characterization of Near-Surface Chemical 58. Application of Cluster Analysis to the Greek GPS Velocity Explosions at the San Andreas Fault Observatory at Depth. Field to Constrain *e Active Tectonics of Greece and Rubinstein, J. L., Pollitz, F. F., and Ellsworth, W. L.

352 Seismological Research Letters Volume 82, Number 2 March/April 2011 SSA 2012 Annual Meeting Program 26 Thursday, 19 April (continued) 74. A Fracture Decoupling Experiment. Stroujkova, A., 76. Progress Report on a Project to Digitize Data from Bonner, J., Leidig, M., Kim, W. Y., Rath, T., Carnevale, Hundreds of Nevada Underground Nuclear Tests M., and Lewkowicz, J. Recorded by the Sandia Seismic Network. Abbott, R. E. 75. Testing Event Discrimination over Broad Regions using the Historical Borovoye Observatory Explosion Dataset. Pasyanos, M. E., Ford, S. R., and Walter, W. R.

Seismological Research Letters Volume 82, Number 2 March/April 2011 353 SSA 2012 Annual Meeting Program 27