S026
How Do Earthquakes Start? I

Thursday, 10 December 2020: 04:00-05:00
Virtual
Primary Convener:  Valere Lambert, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
Conveners:  Camilla Cattania, Massachusetts Institute of Technology, Cambridge, MA, United States, Zachary E. Ross, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States and Heather M Savage, University of California Santa Cruz, Santa Cruz, CA, United States
Primary Liaison:  Valere Lambert, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
Chairs:  Valere Lambert1, Camilla Cattania2, Zachary E. Ross1 and Heather M Savage3, (1)California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States(2)Massachusetts Institute of Technology, Cambridge, MA, United States(3)Lamont-Doherty, Palisades, NY, United States
OSPA Liaison:  Camilla Cattania, Massachusetts Institute of Technology, Cambridge, MA, United States
04:00
Introductory Remarks
04:02
S026-01
Rupture Initiation in 3-meter Laboratory Rock Experiments: The Role of Heterogeneity, Rate Dependence, and a “Cascade Up” Model for Earthquake Initiation (Invited) (668099)
Gregory Mclaskey, Cornell University, Civil and Environmental Engineering, Ithaca, NY, United States
04:06
S026-02
Seeing and Hearing Precursory Damage Localisation and Catastrophic Failure in a Sandstone (746379)
Alexis L Cartwright-Taylor1, Ian B Butler2, Martin Ling3, Edward Ando4, Maria-Daphne Mangriotis1, Ian Graham Main2, Florian Fusseis2, Andrew Curtis2, Andrew Forbes Bell2, Roberto Emanuele Rizzo5, Sina Marti2, Derek Leung2 and Oxana Magdysyuk6, (1)University of Edinburgh, Edinburgh, EH9, United Kingdom, (2)University of Edinburgh, Edinburgh, United Kingdom, (3)Independent Electronics Developer, Edinburgh Hacklab, Edinburgh, United Kingdom, (4)UGA - Grenoble INP - CNRS, 3SR UMR 5521, Grenoble, France, (5)Heriot-Watt University, Edinburgh, United Kingdom, (6)Beamline I12: JEEP, Diamond Light Source, Didcot, United Kingdom
04:10
S026-03
Experimental study of the rupture nucleation on periodically heterogeneous faults (693526)
Alisson Gounon1, Soumaya Latour1 and Jean Letort2, (1)IRAP, Toulouse, France, (2)IRAP - Observatoire Midi Pyréenées, Toulouse, France
04:14
S026-04
Numerical Simulations of Dynamic Earthquake Rupture with Different Failure Laws (757974)
Ekaterina Bolotskaya, Massachusetts Institute of Technology, Cambridge, MA, United States and Bradford H Hager, MIT, Cambridge, MA, United States
04:18
S026-05
Nucleation of Earthquake Slip on Heterogeneous Interfaces (667416)
Kavya Sudhir and Nadia Lapusta, California Institute of Technology, Pasadena, CA, United States
04:22
S026-06
Investigating early earthquake rupture characteristics with borehole strainmeters (760559)
Sydney Dybing, University of Oregon, Eugene, OR, United States, Diego Melgar, University of Oregon, Department of Earth Sciences, Eugene, OR, United States, Andrew J Barbour, U.S. Geological Survey, Menlo Park, CA, United States, Alexandre Canitano, Institute of Earth Sciences Academia Sinica, Taipei, Taiwan and Dara E Goldberg, Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography, La Jolla, CA, United States
04:26
S026-07
Foreshock Cascades to Failure (683011)
William L Ellsworth, Stanford University, Department of Geophysics, Stanford, CA, United States, Andrew J Barbour, U.S. Geological Survey, Menlo Park, CA, United States, David R Shelly, USGS National Earthquake Information Center, Golden, CO, United States, Yen Joe Tan, Chinese University of Hong Kong, Hong Kong, Hong Kong and Felix Waldhauser, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States
04:30
S026-08
Is Earthquake Rupture Predictability Real or Apparent? (757904)
Morgan T Page, USGS Pasadena Field Office, Pasadena, CA, United States, Men-Andrin Meier, Swiss Seismological Service, Zuerich, Switzerland, Jean-Paul Ampuero, Université Côte d’Azur, CNRS, Observatoire de la Côte d’Azur, IRD, Géoazur, Valbonne, France and Elizabeth S Cochran, U.S. Geological Survey, Earthquake Science Center, Pasadena, CA, United States
04:34
Discussion
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