The CALIPSO Project at Soufrière Hills Volcano, Montserrat, BWI

2008-2012 UNAVCO PROPOSAL: GEODESY ADVANCING EARTH SCIENCE RESEARCH 3-93 ow-generated ow-generated support a ese measurements tsunami, Geology, 35 (1), 25-28, DOI: 10.1130/G22931A.1. tsunami, Geology, Montser- (Invited), volcano Hills Soufrière learned from have what we Research Seismic On.” Years Ten – Volcano Hills of “Soufriere rat, Proc. in press. Press, Indies West Univ. Unit, and 0607782 to UARK. Instrumentation of CALIPSO Captures World-Record Lava Dome Dome Lava World-Record of CALIPSO Captures Instrumentation (Feature Montserrat Volcano, Hills 2003 on Soufrière Collapse of July 85, 317-328. article), Union, EOS transactions, American Geophysical by in deep magma reservoir triggered increase pressure precedented Letters 33, doi:10.1029/ Research collapse, Geophysical lava-dome 2005GL024870. fl of pyroclastic measurements strainmeter and remarkable 0116485, 0507334, 0523097, was supported NSF-EAR Awards is work by Mattioli, G.S., 2005, CALIPSO, and a decade of GPS surface deformation: Mattioli, Th favoring a deeper source. Th a deeper source. favoring References PBO and others, 2004, Prototype Voight, B. Young, G.S., S.R. Mattioli, and others, 2006, Un- G.S., Mattioli, Linde, I.S. Sacks, B., A.T. Voight, and others, 2007, Unique Watts, P. Linde, I. S. Sacks, G.S., A.T. Mattioli, temporal evolution of the mid-crustaltemporal evolution stor- pre-eruption 1995 to 2005. from age zone ating, while subsidence Montserrat Volcano Observatory, Flemmings, Montserrat, British West Indies West British Montserrat, Flemmings, Observatory, Volcano Montserrat ating Mogi source. Inverted depths Inverted source. ating Mogi Department of Geosciences, Penn State University State Penn Department of Geosciences, Department of Geosciences, Penn State University State Penn Department of Geosciences, School of the Earth and Environment, University of Leeds, Leeds, UK University School of the Earth and Environment, eld occurrences are very rare. Mattioli very Mattioli are rare. eld occurrences Department of Geosciences, University of Arkansas University Department of Geosciences, Division of Earth Sciences, Duke University of Earth Sciences, Duke Division Department of Geosciences, Penn State University State Penn Department of Geosciences, Department of Earth Sciences, University of Bristol, Bristol, UK Bristol, Bristol, of Department of Earth University Sciences, Division of Earth Sciences, Duke University of Earth Sciences, Duke Division Department of Terrestrial Magnetism, Carnegie Institution of Washington, DC Washington, of Carnegie Institution Magnetism, Terrestrial Department of ows entering the sea may cause tsunami ows » of the MVO BWI: Montserrat, Volcano, Hills at Soufrière Project e CALIPSO e staff e Seismo- Precision Island Lava e “Caribbean Andesite Barry Voight » Barry Voight Elsworth » Derek » Hidayat Dannie Glen Mattioli » Mattioli Glen Th Processes Magmatic to Constrain Data Deformation Integrated Using Alan Linde » » Malin Peter » Nueberg Jurgen DC Washington, of Carnegie Institution Magnetism, Terrestrial » Department of Sacks Selwyn » Shalev Eylon » Sparks Steve Th Magmatic Systems Magmatic geodetic Observatory,” (i.e. CALIPSO) has greatly has greatly (i.e. CALIPSO) geodetic Observatory,” at the Soufriere enhanced the geophysical infrastructure of an with installation (SHV), Montserrat Volcano Hills and surface instrumentationintegrated array of borehole dilatometer, at four sites. Each site has a Sacks-Evertson seismometer (~Hz to 1 kHz), a Pin- a three-component and an Ashtech u-Z CGPS tiltmeter, Technologies nacle sites antenna, similar to volcano with choke ring receiver America as part of EarthScope. North in western the collapse of the SHV lava CALIPSO sensors recorded 2003, the largest such event in July dome on Montserrat et al., 2004). (Mattioli worldwide in the historical record and unprecedented remarkable data show Dilatometer Voight of a deep source. rapid (~600s) pressurization with source an oblate spheroidal et al. (2006) inferred at 5.5 to 6 km depth. An radius ~1 km centered average of 1 to was attributed to growth of ~1 MPa overpressure 3% of gas bubbles in supersaturated magma, triggered the dynamics of dome unloading. by fl Pyroclastic worldwide, but geophysi- generation at coastal volcanoes fi cally monitored gen- of tsunami the process et al. (2007) reconstructed gigantic during the prolonged, eration and propagation collapse of the SHV in 2003 using a combination of (2005) also Mattioli the CALIPSO array. data from GPS by that periods of surfacereported recorded uplift to an infl at SHV correspond to a defl corresponds observations 6 and 13 km, with the recent between are Th