S042
Modeling and Imaging Complex Earthquake Ruptures I

Friday, 11 December 2020: 16:00-17:00
Virtual
Primary Convener:  Théa Ragon, Seismological Laboratory, California Institute of Technology, Pasadena, CA, United States
Conveners:  Ryo Okuwaki, University of Tsukuba, Tsukuba, Japan, Wenyuan Fan, Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, United States and Dara E Goldberg, USGS National Earthquake Information Center Golden, Golden, CO, United States
Primary Liaison:  Théa Ragon, Seismological Laboratory, California Institute of Technology, Pasadena, CA, United States
Chairs:  Théa Ragon, Seismological Laboratory, California Institute of Technology, Pasadena, CA, United States, Ryo Okuwaki, University of Tsukuba, Tsukuba, Japan, Wenyuan Fan, Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, United States and Dara E Goldberg, USGS National Earthquake Information Center Golden, Golden, CO, United States
OSPA Liaison:  Ryo Okuwaki, University of Tsukuba, Tsukuba, Japan
16:00
Introductory Remarks
16:02
S042-01
Characteristics of earthquake ruptures and dynamic off-fault deformation on propagating faults (747716)
Ylona van Dinther1, Simon Preuss2, Jean-Paul Ampuero3 and Taras Gerya2, (1)Utrecht University, Earth Sciences, Utrecht, Netherlands, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)Université Côte d’Azur, CNRS, Observatoire de la Côte d’Azur, IRD, Géoazur, Valbonne, France
16:06
S042-02
Fault opening related to free surface interaction on reverse faults: insights from numerical modeling (681410)
Lucile Bruhat, Ecole Normale Superieure Paris, Paris, France, Esteban Rougier, Los Alamos National Laboratory, EES-17, Los Alamos, NM, United States, Kurama Okubo, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States and Harsha Bhat, Ecole Normale Supérieure, Paris, France
16:10
S042-03
Past seismicity as a natural constraint on initial stress heterogeneity in dynamic rupture models for ground motion prediction (754280)
Elif Oral, Géoazur - Université Nice Sophia Antipolis, Valbonne, France, Jean-Paul Ampuero, Université Côte d’Azur, CNRS, Observatoire de la Côte d’Azur, IRD, Géoazur, Valbonne, France and Javier A Ruiz, Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile
16:14
S042-04
Resolving simulated sequences of earthquakes and fault interactions (Invited) (665861)
Valere Lambert, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States and Nadia Lapusta, California Institute of Technology, Pasadena, CA, United States
16:18
S042-05
Using Dynamic Rupture Simulations to Assess Megathrust Earthquake Behaviors in the Cascadia Subduction Zone (673090)
Marlon Dale Ramos1, Yihe Huang1, Thomas Ulrich2, Duo Li, Alice-Agnes Gabriel2, Amanda Thomas4 and Marine Denolle5,6, (1)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (2)Ludwig Maximilians University of Munich, Munich, Germany, (3)University of Oregon, Department of Earth Sciences, Eugene, OR, United States, (4)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (5)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States
16:22
S042-06
The influence of accretionary wedge and sedimentary layer on coseismic slip and ground motion of the 2011 Tohoku-Oki earthquake (675875)
Xian Li, IGG Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China and Yihe Huang, University of Michigan Ann Arbor, Ann Arbor, MI, United States
16:26
S042-07
Evaluating effects of fluid pressure on megathrust mechanics and earthquake dynamics with numerical models of the 2004 Sumatra-Andaman earthquake (761161)
Elizabeth H Madden1, Thomas Ulrich2 and Alice-Agnes Gabriel2, (1)Universidade de Brasília, Observatório Sismológico - Instituto de Geociências, Brasília, Brazil, (2)Ludwig Maximilians University of Munich, Munich, Germany
16:30
S042-08
The origin of a strong, near-fault velocity pulse during a surface-breaking earthquake (690459)
Yoshihiro Kaneko, GNS Science, Lower Hutt, New Zealand and Hiroyuki Goto, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan
16:34
Discussion
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