S041
Seismology Contributions: Earthquakes II

Friday, 11 December 2020: 10:30-11:30
Virtual
Primary Convener:  German A Prieto, Universidad Nacional de Colombia, Departamento de Geociencias, Bogota, Colombia
Conveners:  German A Prieto, Universidad Nacional de Colombia, Departamento de Geociencias, Bogota, Colombia and Qinya Liu, University of Toronto, Toronto, ON, Canada
Primary Liaison:  German A Prieto, Universidad Nacional de Colombia, Departamento de Geociencias, Bogota, Colombia
Chairs:  German A Prieto, Universidad Nacional de Colombia, Departamento de Geociencias, Bogota, Colombia and Nicholas van der Elst, Lamont -Doherty Earth Observatory, Palisades, NY, United States
OSPA Liaison:  German A Prieto, Universidad Nacional de Colombia, Departamento de Geociencias, Bogota, Colombia
10:30
Introductory Remarks
10:32
S041-01
60 years after the 1960 Central-South Chilean earthquakes: what have we learned and what we still need to understand (766389)
Javier Ojeda1, Sergio Ruiz1, Francisco DelCampo Sr.2 and Matias Carvajal3, (1)Universidad de Chile, Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Santiago, Chile, (2)Universidad de Chile, Centro Sismológico Nacional, Santiago, Chile, (3)Millennium Nucleus The Seismic Cycle Along Subduction Zones, Concepción, Chile
10:36
S041-02
Aftershock Distributions, Moment Tensors and Spatio-temporal Evolution of the Stress Field Associated with Two M7.1 Alaskan Intraslab Earthquakes (682226)
Doriane Drolet1, Alexandre P Plourde2 and Michael G Bostock1, (1)University of British Columbia, Vancouver, BC, Canada, (2)Dalhousie University, Halifax, NS, Canada
10:40
S041-03
An evaluation of Coulomb stress triggering during the 1997 Umbria-Marche, 2009 L’Aquila, Ridgecrest 2019 earthquake sequences (770475)
Catherine Hanagan, University of Arizona, Geosciences, Tucson, AZ, United States, Rick A Bennett, Univ Arizona, Tucson, AZ, United States and Lauro Chiaraluce, Istituto Nazionale di Geofisica e Vulcanologia, Roma, Italy
10:44
S041-04
Evidence for a Listric Wasatch Fault From the 2020 Magna, Utah, Earthquake Sequence (699140)
Guanning Pang1, Keith D. Koper2, Ben Baker1, Maria Mesimeri1, Kristine L Pankow3, Jamie Farrell4, James Holt5, J. Mark Hale1, Paul Roberson6, Relu Burlacu2, James C Pechmann2, Katherine Murphy Whidden1, Monique Maria Holt1, Amir A Allam7 and Christopher B DuRoss8, (1)University of Utah, Salt Lake City, UT, United States, (2)University of Utah, Department of Geology and Geophysics, Salt Lake City, UT, United States, (3)Univ Utah, Salt Lake City, UT, United States, (4)University of Utah, Geology & Geophysics, Salt Lake City, UT, United States, (5)University of Liverpool, Institute for Risk and Uncertainty, Liverpool, United Kingdom, (6)University of Utah, Salt Lake City, United States, (7)University of Utah, Department of Geology & Geophysics, Salt Lake City, UT, United States, (8)USGS, Geologic Hazards Science Center, Golden, CO, United States
10:48
S041-05
Focal Mechanisms of Relocated Earthquakes and Stress Orientation in the Charlevoix Seismic Zone (735174)
Oluwaseun Idowu Fadugba, University of Memphis, Center for Earthquake Research and Information (CERI), Memphis, TN, United States, Charles A Langston, Center for Earthquake Research and Information, Memphis, TN, United States and Christine Ann Powell, University of Memphis, Memphis, TN, United States
10:52
S041-06
Illuminating the complex fault zone structure of the 2016-2017 Amatrice, Central Italy, earthquake sequence with a high-resolution, high-density earthquake catalog (752358)
Felix Waldhauser1, Maddalena Michele2, Lauro Chiaraluce2, Raffaele Di Stefano2, David Paul Schaff1, William L Ellsworth3, Yen Joe Tan4, Gregory C Beroza3, Men-Andrin Meier5, Pasquale De Gori6 and Claudio Chiarabba6, (1)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States, (2)Istituto Nazionale di Geofisica e Vulcanologia, Roma, Italy, (3)Stanford University, Department of Geophysics, Stanford, CA, United States, (4)Chinese University of Hong Kong, Hong Kong, Hong Kong, (5)California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States, (6)Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy
10:56
S041-07
Slipping the Shumagin Gap: A Kinematic Rupture Model of the Mw 7.8 Simeonof Island, Alaska, Earthquake (771298)
Brendan Crowell, University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States and Diego Melgar, University of Oregon, Department of Earth Sciences, Eugene, OR, United States
11:00
S041-08
The 2020 M6.5 Monte Cristo Range Earthquake and Aftershock Sequence (702931)
Christine J Ruhl, University of Tulsa, Department of Geosciences, Tulsa, OK, United States, Emily Morton, University of Nevada Reno, Nevada Seismological Laboratory, Reno, NV, United States, Kenneth D Smith, University of Nevada Reno, Reno, NV, United States, Jayne M Bormann, University of Nevada, Reno, Reno, United States, Rachel Lauren Hatch Ibarra, California State Polytechnic University Pomona, Pomona, CA, United States, Gene Ichinose, Lawrence Livermore National Laboratory, Livermore, CA, United States and Cleat Philip Zeiler, Mission Support and Test Services, Defense Nuclear Nonproliferation, North Las Vegas, NV, United States
11:04
Discussion
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