S043
Modeling and Imaging Complex Earthquake Ruptures II

Friday, 11 December 2020: 17:30-18:30
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, Dara E Goldberg, USGS National Earthquake Information Center Golden, Golden, CO, United States, Ryo Okuwaki, University of Tsukuba, Tsukuba, Japan and Wenyuan Fan, Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, United States
OSPA Liaison:  Wenyuan Fan, Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, United States
17:30
Introductory Remarks
17:32
S043-01
Seismic Stereometry reveals preparatory behavior and source kinematics of intermediate-size earthquakes (702016)
Aurélien Mordret1, Florent Brenguier2, Mathieu Causse3, Pierre Boué2, Christophe Voisin4, Isabelle Dumont3, Frank Vernon5 and Jean-Paul Ampuero6, (1)ISTerre, Université Grenoble Alpes, Saint Martin d'Hères, France, (2)Univ. Grenoble Alpes, ISTerre, Grenoble, France, (3)University Grenoble Alpes, Grenoble, France, (4)CNRS, ISTerre (Institute of Earth Sciences), Saint Martin d'Hères, France, (5)University of California San Diego, La Jolla, CA, United States, (6)Université Côte d’Azur, CNRS, Observatoire de la Côte d’Azur, IRD, Géoazur, Valbonne, France
17:36
S043-02
Quantifying the Mislocation of Back-Projection Imaging Due to Velocity Heterogeneities Beneath the Source Region (709385)
Han Bao, University of California Los Angeles, Los Angeles, CA, United States and Lingsen Meng, University of California Los Angeles, Earth, Planetary and Space Science, Los Angeles, CA, United States
17:40
S043-03
Frequency-Difference Back-projection of Earthquakes (675316)
Jing Ci Neo1, Wenyuan Fan2, Yihe Huang1 and David R Dowling1, (1)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (2)Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, United States
17:44
S043-04
Inversion of Teleseismic Waveforms for Higher-Degree Moment Tensors of Complex Ruptures (Invited) (664773)
Alan Juarez and Thomas H Jordan, University of Southern California, Los Angeles, CA, United States
17:48
S043-05
Surface Slip Variations And Off-Fault Deformation Patterns In Complex Cross-Fault Systems Revealed From 3D High-Resolution Satellite Optical Image Correlation: The 2019 Ridgecrest Earthquakes (677715)
Solène Antoine1, Yann Klinger1, Arthur Delorme1, Kang Wang2, Roland Burgmann3 and Ryan D Gold4, (1)Institut de Physique du Globe de Paris, Paris, France, (2)UC Berkeley, Earth and Planetary Science, Berkeley, CA, United States, (3)Univ California Berkeley, Seismological Laboratory, Berkeley, CA, United States, (4)USGS, Geologic Hazards Science Center, Golden, CO, United States
17:52
S043-06
Imaging a diffuse block boundary: Preliminary results from a multichannel seismic reflection survey to identify the fault sources of the southwestern Puerto Rico seismic sequence (702100)
Uri S Ten Brink, Jason D Chaytor, Wayne E. Baldwin, David S. Foster and Brian D Andrews, US Geological Survey, Coastal and Marine Science Center Woods Hole, Woods Hole, MA, United States
17:56
S043-07
Bayesian estimation of fault slip distributions based on ensemble modeling of the underground structure uncertainty (676466)
Ryoichiro Agata, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Amato Kasahara, Independent researcher, Tokyo, Japan and Yuji Yagi, University of Tsukuba, Tsukuba, Japan
18:00
S043-08
Rupture characteristics of the 2019 North Peru intraslab earthquake (Mw8.0) (726179)
Martin Vallée1, Yuqing Xie2, Raphael Grandin1, Juan-Carlos Villegas-Lanza3, Jean Mathieu Nocquet4, Sandro Vaca5, Jean-Paul Ampuero6, Lingsen Meng2, Patricia A Mothes5 and Paul Jarrin4,7, (1)Université de Paris, Institut de Physique du Globe de Paris, CNRS, Paris, France, (2)University of California Los Angeles, Earth, Planetary and Space Science, Los Angeles, CA, United States, (3)Instituto Geofísico del Perú, Lima, Peru, (4)Université Côte d’Azur, CNRS, IRD, OCA, Géoazur, Valbonne, France, (5)Instituto Geofísico, Escuela Politécnica Nacional, Quito, Ecuador, (6)Université Côte d’Azur, CNRS, Observatoire de la Côte d’Azur, IRD, Géoazur, Valbonne, France, (7)Sorbonne Université, CNRS-INSU, Institut des Sciences de la Terre Paris, Paris, France
18:04
Discussion
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