Lightning Presentations Ridgecrest Session Thursday, March 5 Poster 50: Safety Assessment Program Observations from the Ridgecrest Sequence & Napa Quakes Fred Turner, SE (Consulting Structural Engineer) contact: [email protected] Overview • CA’s Safety Assessment Program: 7,000 Evaluators, 140 Trainers Why doesn’t it work? • Lack of Training & Legal Authority • Political, Social, & Economic Influences 3/4/2020 National Earthquake Conference 2 Sign After 5 Days of Earthquakes Employees Still Inside What can be done to fix the Safety Assessment Program? 3/4/2020 3 Come Find Out More… Poster 50: Safety Assessment Program Observations from the Ridgecrest Sequence & Napa Quakes Fred Turner will be at the poster on Thursday, March 5, 6 – 6:45 pm, Grande Ballroom A, or contact [email protected] to schedule a time to meet. 3/4/2020 National Earthquake Conference 4 Poster 72: Benefits & Risks of Sharing Intelligence after Earthquakes Through Clearinghouses: Ridgecrest Sequence Fred Turner, SE (Consulting Structural Engineer) contact: [email protected] Overview • Fog of Information in the Aftermath of Earthquakes • 1st & 2nd Responders face many gaps • Clearinghouses enhance situational awareness • Gaps in the Ridgecrest Sequence Clearinghouse: • Damage SE of Ridgecrest not visited • 2 ground motion recordings delayed • Civil & Mechanical Engineers to observe Industrial Plants • Civil Engineers to observe Sewage Basemap Credit: EERI Staff and SAP data from Ridgecrest Treatment Plants and San Bernardino County 3/4/2020 National Earthquake Conference 6 Come Find Out More! Poster 72: Benefits & Risks of Sharing Intelligence after Earthquakes Through Clearinghouses: Ridgecrest Sequence Fred Turner will be at the poster on Thursday, March 5, 6:45 – 7:30 pm, Grande Ballroom A, or contact [email protected] to schedule a time to meet. 3/4/2020 National Earthquake Conference 7 Poster 51: Deep Learning-based Earthquake Damage Mapping with InSAR Coherence Time Series Oliver Stephenson (Caltech); Tobias Köhne (Caltech); Eric Zhan (Caltech); Brent Cahill (Caltech); Sang-Ho Yun (JPL/Caltech); Zarchary Ross (Caltech); Mark Simons (JPL/Caltech) [email protected] @SeismOlliegist Ridgecrest Earthquakes Damage Mapping • We detect surface Mw 7.1 surface rupture ruptures, liquefaction and other anomalous changes in ground surface properties due Trona to the earthquakes from satellite measurements Ridgecrest Stephenson et al. (In Prep.), SAR data from Eric Fielding (JPL) 3/4/2020 National Earthquake Conference 9 Come See Our Results! Poster 051: Deep Learning-based Earthquake Damage Mapping with InSAR Coherence Time Series Oliver Stephenson (Caltech) will be at the poster on Thursday, March 5, 6 – 7:30 pm, Grande Ballroom A, or contact [email protected] to schedule a time to meet. 3/4/2020 National Earthquake Conference 10 Poster 52: Engineering and Geological Effects of the July 2019 Ridgecrest Earthquake Sequence GEER Team: Jonathan Stewart (Lead), Scott Brandenberg, Pengfei Wang, Chukwuebuka Nweke, Kenneth Hudson, Silvia Mazzoni, Yousef Bozorgnia, Christine Goulet, Kenneth Hudnut, Craig Davis, Sean Ahdi, Farzin Zareian, Jawad Fayaz, Rich Koehler, Colin Chupik, Ian Pierce, Alana Williams, Sinan Akciz, Martin Hudson, Tadahiro Kishida, Collaborating Authors: Benjamin Brooks, Ryan Gold, Daniel Ponti, Katherine Scharer, Devin McPhillips, Todd Ericksen, Janis Hernandez, Jason Patton, Brian Olson, Timothy Dawson, Jerry Treiman, Christopher DuRoss, Kelly Blake, Jeffrey Bachhuber, Christopher Madugo, Joseph Sun, Andrea Donnellan, Gregory Lyzenga, Erik Conway Contact: [email protected] Overview • Surface Fault Rupture • Lifeline Performance • Liquefaction and Related Ground Failure • Ground Motions • Structural Performance • Imaging • DesignSafe Integration Left: Offset of buried concrete segmented water supply pipeline crossing the M7.1 surface fault rupture. (Photo Credit: Scott Brandenberg, UCLA) Right: Surface fault rupture from M7.1 event across California Highway 178: 2.5 m right-lateral slip. (Photo Credit: Ken Hudnut, USGS) 3/4/2020 National Earthquake Conference 12 Come See Our Results! Poster 52: Engineering and Geological Effects of the July 2019 Ridgecrest Earthquake Sequence Sean Ahdi (Exponent/UCLA) will be at the poster on Thursday, March 5, 6 – 7:30 pm, Grande Ballroom A, or contact [email protected] to schedule a time to meet. 3/4/2020 National Earthquake Conference 13 Poster 54: Earthquake Reconnaissance Management Challenges at Naval Air Weapons Station China Lake Jenn Ciofolo (Reid Middleton) contact: [email protected] Overview • Challenges in managing 6,700 man hours of earthquake response time over a three week period at Naval Air Weapons Station China Lake following the July 4th and 5th M6.4 and M7.1 Searles Valley Earthquakes. • ATC-20 Rapid and Detailed evaluations of over 600 facilities through 30 team members per day. (a) Project team coordinating in conference room. (b) Spreadsheet showing on site coordination. 3/4/2020 National Earthquake Conference 15 Come See Our Results! Poster 54: Earthquake Reconnaissance Management Challenges at Naval Air Weapons Station China Lake Jenn Ciofolo (Reid Middleton) will be at the poster on Thursday, March 5, 6 – 7:30 pm, Grande Ballroom A, or contact [email protected] to schedule a time to meet. 3/4/2020 National Earthquake Conference 16 Poster 55: Ridgecrest-Trona Earthquake and Fault Complex, San Bernardino County Frank Jordan (San Bernardino County, Land Use Services) and Miles Wagner (San Bernardino County, Office of Emergency Services) contact: [email protected] Overview • Fault Surface Rupture in the Searles Valley area of San Bernardino County • Linear, en echelon, right- stepping ground surface rupture due to active faulting • “Miles” Fault at West End, East of Trona Rd. • West-Northwest-striking • View Southeast Linear, en echelon, right-stepping ground surface rupture along the Miles Fault, West End, as a result of the Ridgecrest-Trona Fault Complex and Earthquake Sequence (Jordan, 2019) 3/4/2020 National Earthquake Conference 18 Overview • Fault Surface Rupture in the Searles Valley area of San Bernardino County • Linear, en echelon, right- stepping ground surface rupture along the “Aguirre Ranch” Fault, due to active faulting, West of Trona Rd., Southwest of Point-of-Rocks • “Aguirre Ranch” Fault • Northeast-striking • View East Linear, en echelon, right-stepping ground surface rupture along the “Aguirre Ranch” Fault as a result of the Ridgecrest-Trona Fault Complex and Earthquake Sequence (Jordan, 2019) 3/4/2020 National Earthquake Conference 19 Overview • Fault Surface Rupture in the Searles Valley area of San Bernardino County • Linear, en echelon, right- stepping ground surface rupture due to active faulting, Pinnacle Rd., East of Trona Rd. • North-striking • View South • “Miles” Fault • “Trona” Fault • “Aguirre Ranch” Fault Linear, en echelon, right-stepping ground surface rupture • “Pinnacles” Fault due to active faulting as a result of the Ridgecrest-Trona • “West Searles Valley” Fault Fault Complex and Earthquake Sequence (Jordan, 2019) 3/4/2020 National Earthquake Conference 20 Overview • Fault Surface Rupture in the Searles Valley area of San Bernardino County • Linear, en echelon, right- stepping ground surface rupture due to active faulting • “Pinnacles” Fault, Pinnacle Road, North of Pinnacles Natural Landmark • Northeast-striking • View Southwest Linear, en echelon, right-stepping ground surface rupture along the “Pinnacles” Fault as a result of the Ridgecrest- Trona Fault Complex and Earthquake Sequence (Jordan, 2019) 3/4/2020 National Earthquake Conference 21 Overview • Fault Surface Rupture in the Searles Valley area of San Bernardino County • Linear, en echelon, right- stepping ground surface rupture due to active faulting • “Pinnacles” Fault, Pinnacle Road, North of Pinnacles Natural Landmark • Northeast-striking • View Northeast Linear ground surface rupture along the “Pinnacles” Fault as a result of the Ridgecrest-Trona Fault Complex and Earthquake Sequence (Jordan, 2019) 3/4/2020 National Earthquake Conference 22 Overview • Fault Surface Rupture in the Searles Valley area of San Bernardino County • Linear, en echelon, right- stepping ground surface rupture due to active faulting, Pinnacle Rd., west of Randsburg Wash Rd. • “West Searles Valley” Fault • Northwest-striking • View Southwest Linear, en echelon, right-stepping ground surface rupture due to active faulting as a result of the Ridgecrest-Trona Fault Complex and Earthquake Sequence (Jordan, 2019) 3/4/2020 National Earthquake Conference 23 Come See Our Results! Poster 55: Ridgecrest-Trona Earthquake and Fault Complex, San Bernardino County Frank Jordan (San Bernardino County) and Miles Wagner (San Bernardino County) will be at the poster on Thursday, March 5, 6 – 7:30 pm, Grande Ballroom A, or contact [email protected] to schedule a time to meet. 3/4/2020 National Earthquake Conference 24 Poster 56: San Bernardino County Emergency Response to July 4th-5th Ridgecrest-Trona Earthquake Complex Miles Wagner (San Bernardino Co Fire Office of Emergency Services); Frank Jordan (San Bernardino Co Land Use Services) contact: [email protected] Timeline 10:33 a.m. July 4th: Mag 6.4 EQ Searles Valley/ Ridgecrest • 10:35 a.m. - Magnitude 4.7 aftershock • 12:15 p.m. - OA EOC activated Level 3 / Ridgecrest Hospital evacuated • 1:30 p.m. - Multiple SCE power outages in the Trona Region • State Operations Center (SOC) activated to Level 2 •