S041
The 2019 M6.4 Searles Valley and M7.1 Ridgecrest Earthquakes

Session ID#: 85999

Session Description:
The July 4, 2019 M6.4 Searles Valley and July 6, 2019 M7.1 Ridgecrest earthquakes ruptured an orthogonal fault system located approximately 200 km north-northeast of Los Angeles, California, with the M7.1 Ridgecrest earthquake being notable as the largest earthquake in California since the 1999 M7.1 Hector Mine earthquake.  The 20 years that have passed since Hector Mine have brought about enormous improvements in the regional seismic network and a revolution in geodetic techniques including LiDAR, new remote sensing platforms, and the expansion of GNSS.  Because of this, the Ridgecrest earthquake will have the densest and most accurate observations of any M7+ California earthquake in history, including co-seismic, post-seismic, and even pre-seismic observations collected as part of the field response to the preceding M6.4 Searles Valley earthquake.  We welcome submissions from all fields of geophysics, geology, geodesy, and social science exploring these two earthquakes and their impacts including human impacts.
Co-Organized:
  • G - Geodesy
  • T - Tectonophysics
Index Terms:

7299 General or miscellaneous [SEISMOLOGY]

Primary Convener:  Sarah E Minson, U.S. Geological Survey, Menlo Park, CA, United States
Conveners:  Christine Regalla, Boston University, Boston, MA, United States, Zachary E. Ross, California Institute of Technology, Pasadena, CA, United States and Jessie K Saunders, U.S. Geological Survey, Menlo Park, CA, United States
Primary Liaison:  Sarah E Minson, U.S. Geological Survey, Menlo Park, CA, United States
 
Strain-estimated Ground Motions and Magnitudes of the 2019 Mw 6.4 and 7.1 Ridgecrest Earthquakes (493484)
Noha Farghal, Andrew J Barbour and Annemarie Baltay, U.S. Geological Survey, Menlo Park, CA, United States
 
Preliminary Dynamic Rupture Simulations of the July 2019 M6.4 and M7.1 Ridgecrest, California, Earthquakes (500600)
Julian Lozos, California State University Northridge, Northridge, CA, United States and Ruth Harris, U.S. Geological Survey, Earthquake Science Center, Menlo Park, CA, United States
 
Statistical modelling of the 2019 Ridgecrest, California, earthquake sequence (503617)
Robert Shcherbakov, University of Western Ontario, London, ON, Canada
 
Aftershock Forecasts Following the M6.4 and M7.1 Ridgecrest, California, Earthquakes of July 2019 (506449)
Jeanne Hardebeck1, Andrew Jay Michael1, Morgan Page2, Nicholas van der Elst3, Michael Barall4, Andrea L Llenos1, Eric Martinez5 and Sara McBride1, (1)USGS, Menlo Park, CA, United States, (2)USGS Geological Survey, Pasadena, CA, United States, (3)USGS, Pasadena, CA, United States, (4)Invisible Software, San Jose, CA, United States, (5)USGS National Earthquake Information Center Golden, Golden, CO, United States
 
Fault geometry of the 2019 Ridgecrest sequence: insight from aftershock moment tensor catalog using 3D Green’s functions (507005)
Xin WANG, CalTech Seismological Laboratory, Pasadena, CA, United States and Zhongwen Zhan, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
 
Targeted Postseismic Observations of the M6.4 and M7.1 Ruptures of the Ridgecrest Earthquake Sequence (507049)
Andrea Donnellan1, Gregory A Lyzenga2, Jay W Parker2, Adnan I Ansar3, Christine A. Goulet4, Jun Wang5 and Marlon Edwin Pierce6, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)Pacific Earthquake Engineering Center, Berkeley, CA, United States, (5)Indiana University Bloomington, Bloomington, United States, (6)Organization Not Listed, Washington, DC, United States
 
Seismicity prior to the July 2019 M7.1 Ridgecrest earthquake (510400)
Kazuyoshi Nanjo, University of Shizuoka, Shizuoka, Japan
 
Cross-Fault Interaction in the July 2019 Ridgecrest Earthquake Sequence, Southern California (Invited) (510585)
Kenneth W Hudnut, USGS, Pasadena, CA, United States, Janis Lynn Hernandez, California Geological Survey, Los Angeles, CA, United States, Leonardo Seeber, Lamont-Doherty Earth Obs, Palisades, NY, United States and Javier Francisco Pacheco, OVSICORI, Heredia, Costa Rica
 
Seismic and aseismic slips contributed to the foreshock-to-mainshock triggering during the July 2019 Ridgecrest earthquake sequence (511182)
Han Yue1, Jianbao Sun2, Min Wang3, Zhengkang Shen4, Yijian Zhou1, Weifan Lu5 and Lian Xue6, (1)ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, (2)State Key Lab. of Earthquake Dynamics, Institute of Geology, CEA, Beijing, China, (3)Institute of Geology, China Earthquake Administration, Beijing, China, (4)National Science Foundation, Arlington, VA, United States, (5)Peking University, Beijing, China, (6)Berkeley Seismological Laboratory, Berkeley, CA, United States
 
Reconciling shallow and deep fault slip associated with the July 2019 Ridgecrest earthquake sequence (515672)
Benjamin A. Brooks1, Johanna M Nevitt1, Todd L Ericksen1, Nima Ekhtari2, Craig L Glennie2, Sarah E Minson3, Fred F Pollitz1, Jessica R Murray3, Charles Wesley Wicks Jr1, Katherine M Scharer4, Kenneth W Hudnut5, Eric Jameson Fielding6, Mong-Han Huang7, Victoria E Langenheim8, Timothy E Dawson9, Jennifer W Telling2, Jerry L Svarc3, Eleyne Phillips1, Mark H. Murray10, Ryan C Turner11 and Gordon Seitz12, (1)U.S. Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (2)University of Houston, Houston, TX, United States, (3)US Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (4)USGS Pasadena Field Office, Pasadena, CA, United States, (5)U.S. Geological Survey, Earthquake Science Center, Pasadena, CA, United States, (6)Jet Propulsion Lab Caltech, Pasadena, CA, United States, (7)University of Maryland, College Park, College Park, MD, United States, (8)U.S. Geological Survey, Menlo Park, CA, United States, (9)California Geological Survey, San Mateo, CA, United States, (10)New Mexico Institute of Mining and Technology, Socorro, NM, United States, (11)U.S. Geological Survey, Earthquake Science Center, Menlo PARK, CA, United States, (12)California Geological Survey Menlo Park, Menlo Park, CA, United States
 
Coseismic Slip and Afterslip of the M6.4 and M7.1 Ridgecrest Earthquakes Inferred Through Bayesian Inversion (518741)
Jessica R Murray1, Fred F Pollitz1, Sarah E Minson1, Charles Wesley Wicks Jr1, Benjamin A. Brooks1, Mark H. Murray2, Jerry L Svarc1, Eleyne Phillips1, Todd L Ericksen1, Ryan C Turner2, Aris Aspiotes3 and Kenneth W Hudnut4, (1)U.S. Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (2)U.S. Geological Survey, Earthquake Science Center, Menlo PARK, CA, United States, (3)U.S. Geological Survey, Earthquake Science Center, Pasadena, United States, (4)U.S. Geological Survey, Earthquake Science Center, Pasadena, CA, United States
 
Stress transfer and poroelasticity associated to the 2019 Ridgecrest (California) earthquake sequences (519577)
Jugurtha Kariche, Institut de Physique du Globe, CNRS-UMR7516, EOST - Strasbourg, F-´ 67084, France., Strasbourg, France, Mustapha Meghraoui, EOST, Strasbourg, France and Renaud Toussaint, EOST, CNRS, Strasbourg, France
 
Rupture History of the July 4 and July 6 2019 Ridgecrest Earthquakes (520613)
Douglas Scott Dreger, University of California Berkeley, Berkeley, CA, United States, Kang Wang, UC Berkeley, Earth and Planetary Science, Berkeley, CA, United States, Elisa Tinti, Istituto Nazionale di Geofisica e Vulcanologia,, Roma, Italy, Roland Burgmann, Univ California Berkeley, Seismological Laboratory, Berkeley, CA, United States and Taka'aki Taira, Univ California Berkeley, Berkeley, CA, United States
 
Potential of the Ridgecrest Earthquake Sequence to Enhance Earthquake Activity along Low-Angle Detachment Faults in Panamint and Searles Valley, California (522315)
Israporn Sethanant, Oregon State University, Corvallis, OR, United States, Kirsty A McKenzie, Pennsylvania State University, Geosciences, University Park, PA, United States, Eric Kirby, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Kevin Furlong, Pennsylvania State University, Geosciences, University Park, United States, Eric McDonald, Desert Research Institute Reno, Reno, NV, United States, John C Gosse, Dalhousie Univ, Halifax, NS, Canada and J. Douglas Walker, University of Kansas, Geology, Lawrence, KS, United States
 
Site response analyses of U.S. Geological Survey Rapid Aftershock Pasadena (RAP) stations deployed after the M6.4 and M7.1 Ridgecrest earthquakes (523314)
Alan Yong, US Geological Survey, Pasadena, CA, United States, Jon B Fletcher, USGS California Water Science Center Menlo Park, Earthquake Science Center, Menlo Park, Ca 94025, Menlo Park, CA, United States, Elizabeth S Cochran, Earthquake Science Center, U.S. Geological Survey, Pasadena, CA, United States, Tatiana Bettina Gospe, UCLA, Civil and Environmental Engineering, Los Angeles, CA, United States, Nicholas van der Elst, Lamont -Doherty Earth Observatory, Palisades, NY, United States, Adria McClain, USGS Pasadena Field Office, Menlo Park, CA, United States and Jonathan P. Stewart, University of California Los Angeles, Civil and Environmental Engineering, Los Angeles, CA, United States
 
The 2019 M6.4 and M7.1 Ridgecrest Earthquake Sequence in the eastern California Shear Zone: Overview of Tectonic and Seismological Lessons (524065)
Egill Hauksson1, Zachary E. Ross1, Joann M Stock2, Men-Andrin Meier1,3 and Elizabeth S Cochran4, (1)California Institute of Technology, Pasadena, CA, United States, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (3)Swiss Seismological Service, Zuerich, Switzerland, (4)Earthquake Science Center, U.S. Geological Survey, Pasadena, CA, United States
 
Monitor aftershocks of the 2019 Ridgecrest earthquakes with DAS arrays (525077)
Zefeng Li1, Zhongwen Zhan1, Ethan Williams1 and Andrew Klesh2, (1)California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States
 
Geometrically complex rupture processes of the 2019 M6.4 and M7.1 Ridgecrest sequence (526941)
Zhe Jia, California Institute of Technology, Pasadena, CA, United States, Xin WANG, CalTech Seismological Laboratory, Pasadena, CA, United States and Zhongwen Zhan, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
 
Airborne Survey of the 2019 Searles Valley Earthquake Zone and Environs (528845)
David M. Tratt, Aerospace Corporation El Segundo, El Segundo, CA, United States, Eric R Keim, Aero Space Corp, Los Angeles, CA, United States, Kerry N Buckland, Aerospace Corporation Pasadena, Pasadena, CA, United States and Ira Leifer, University of California, Santa Barbara, Solvang, CA, United States
 
Airborne Lidar and Electro-Optical Imagery Along Surface Ruptures of the 2019 Ridgecrest Earthquake Sequence, Southern California (531278)
Kenneth W Hudnut1, Benjamin A. Brooks2, Katherine M Scharer3, Janis Lynn Hernandez4, Timothy E Dawson5, Michael E Oskin6, Ramon Arrowsmith7, Kelly Ruth Blake8, Stephan Bork9, Matthew Boggs10, Craig L Glennie11, Juan Carlos Fernandez-Diaz12, Abhinav Singhania12 and Darren L Hauser12, (1)USGS Pasadena Field Office, Pasadena, CA, United States, (2)US Geological Survey, Menlo Park, CA, United States, (3)U.S. Geologic Survey, Earthquake Science Center, Pasadena, CA, United States, (4)California Geological Survey, Los Angeles, CA, United States, (5)California Geological Survey, San Mateo, CA, United States, (6)Univ. of California, Davis, Davis, CA, United States, (7)Arizona State Univ, Tempe, AZ, United States, (8)US Navy, Geothermal Program Office, Ridgecrest, CA, United States, (9)US Navy, Naval Air Weapons Station, Ridgecrest, CA, United States, (10)US Navy, Naval Air Warfare Center Weapons Division, Ridgecrest, United States, (11)University of Houston, Houston, TX, United States, (12)National Center for Airborne Laser Mapping, Houston, TX, United States
 
The July 2019 Ridgecrest seismic sequence: multi-sensor DInSAR data and coseismic source modeling (532640)
Vincenzo De Novellis1, Andrea Antonioli2, Simone Atzori2, Manuela Bonano3, Raffaele Castaldo1, Francesco Casu1, Claudio de Luca1, Michele Manunta1, Mariarosaria Manzo1, Fernando Monterroso4, Giovanni Onorato1, Nikos Svigkas5, Cristiano Tolomei2, Emanuela Valerio1, Ivana Zinno1 and Riccardo Lanari1, (1)CNR Institute for the Electromagnetic Sensing of the Environment, Naples, Italy, (2)Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy, (3)IMAA, CNR, Tito Scalo, Italy, (4)University of Naples "Parthenope", Napoli, Italy, (5)National Institute of Geophysics and Volcanology, Rome, Italy
 
Effects of 3-D fault geometry on rupture dynamics: Simulation of the 2019 Ridgecrest, CA, earthquakes (532904)
Ryosuke Ando, University of Tokyo, Department of Earth and Planetary Science, Bunkyo-ku, Japan, Yosuke Aoki, Univ Tokyo, Bunkyo-Ku, Tokyo, Japan, Makoto Otsubo, Geological Survey of Japan, Tsukuba, Japan, Hui Huang, UCLA, Los Angeles, United States and Lingsen Meng, UCLA, Earth, Planetary and Space Science, Los Angeles, CA, United States
 
The Ridgecrest Conjugate Earthquake Pair: A Joint Slip Inversion of InSAR, Optical Imagery and GPS (535352)
Yohai Magen1,2, Asaf Inbal2, Alon Ziv2, James Hollingsworth3 and Gidon Baer1, (1)Geological Survey of Israel, Jerusalem, Israel, (2)Tel Aviv University, Tel Aviv, Israel, (3)ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France
 
The 2019 Ridgecrest sequence. Adaptive slip imaging with variable rake. How well can we describe the slip details without loosing resolution? (537460)
Andrea Antonioli1, Nikos Svigkas1, Vincenzo De Novellis2, Cristiano Tolomei1 and Simone Atzori1, (1)Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy, (2)CNR Institute for the Electromagnetic Sensing of the Environment, Naples, Italy
 
Gaia’s Exhalation from the 2019 Searles Valley Earthquake (543057)
Ira Leifer1, Donald Ray Blake2, David M. Tratt3, Kenneth W Hudnut4 and Simone Meinardi2, (1)Bubbleology Research International, Solvang, CA, United States, (2)University of California Irvine, Irvine, CA, United States, (3)The Aerospace Corporation, Pasadena, CA, United States, (4)USGS, Pasadena, CA, United States
 
3D Ground Motion Simulations of the 2019 M7.1 Ridgecrest Earthquake (543651)
Evan Hirakawa, San Jose, CA, United States
 
How 1000 years of earthquakes have shaped the stress distribution in the Eastern California Shear Zone: seismic hazards before and after the 2019 Ridgecrest earthquake sequence (544496)
Anke Maria Friedrich, Ludwig Maximilians University of Munich, Munich, Germany, Alessandro Verdecchia, McGill University, Montreal, QC, Canada and Sara Carena, Ludwig-Maximilians University, Earth and Environmental Sciences, Munich, Germany
 
Source, site and path characterization of the July 2019 M7.1 and M6.4 Ridgecrest earthquake sequence (545988)
Annemarie Baltay1, Grace Alexandra Parker2, Eric Thompson3, John Rekoske3 and Daniel E McNamara3, (1)US Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (2)U.S. Geological Survey, Menlo Park, CA, United States, (3)USGS Geologic Hazards Science Center, Golden, CO, United States
 
Surface rupture associated with the 2019 Ridgecrest earthquake sequence: Comparison of field-based and remotely sensed observations (546719)
Ryan D Gold1, William D Barnhart2, Christopher B DuRoss1, Timothy E Dawson3, Katherine J Kendrick4, Katherine M Scharer5, Alexander E Morelan III3 and Christopher William Douglas Milliner6, (1)USGS, Geologic Hazards Science Center, Golden, CO, United States, (2)University of Iowa, Iowa City, IA, United States, (3)California Geological Survey, San Mateo, CA, United States, (4)U.S. Geological Survey, Earthquake Science Center, Pasadena, CA, United States, (5)U.S. Geologic Survey, Earthquake Science Center, Pasadena, CA, United States, (6)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
 
Observations and models of crustal deformation transients following the 2019 Ridgecrest, California, earthquake sequence (547735)
Fred F Pollitz1, Jessica R Murray2, Sarah E Minson2, Eleyne Phillips1, Jerry L Svarc3, Charles Wesley Wicks Jr1, Mark H. Murray4, Todd L Ericksen1, Benjamin A. Brooks5, Evelyn A Roeloffs6, Johanna M Nevitt1, Christian Guillemot2, Ryan Turner1,7, Wayne R Thatcher8, Kenneth W Hudnut9 and Aris Aspiotes10, (1)U.S. Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (2)US Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (3)U.S. Geological Survey, Menlo Park, CA, United States, (4)New Mexico Institute of Mining and Technology, Socorro, NM, United States, (5)US Geological Survey, Menlo Park, CA, United States, (6)USGS, Vancouver, WA, United States, (7)UNAVCO, Inc., Boulder, CO, United States, (8)USGS, Menlo Park, CA, United States, (9)USGS, Pasadena, CA, United States, (10)U.S. Geological Survey, Earthquake Science Center, Pasadena, United States
 
Fault-normal rupture displacement gradients and the Ridgecrest Earthquake Sequence of 2019 (548701)
Katherine M Scharer1, Sinan O Akciz2,3, Scott E K Bennett4, Timothy Dawson5, Christopher B DuRoss6, Ryan D Gold7, Brian Swanson5,8, Benjamin A. Brooks9, Alexander E Morelan III10, Christopher William Douglas Milliner11, Mong-Han Huang12 and Robert Wayne Zinke13, (1)USGS Pasadena Field Office, Pasadena, CA, United States, (2)California State University Fullerton, Geological Sciences, Fullerton, CA, United States, (3)California State University Fullerton, Fullerton, CA, United States, (4)U.S. Geological Survey, Geology Minerals Energy and Geophysics Science Center, Menlo Park, CA, United States, (5)California Geological Survey, San Mateo, United States, (6)Utah Geological Survey, Salt Lake City, UT, United States, (7)USGS, Geologic Hazards Science Center, Golden, CO, United States, (8)California Geological Survey, Los Angeles, DC, United States, (9)US Geological Survey, Menlo Park, CA, United States, (10)University of California Davis, Earth and Planetary Sciences, Davis, CA, United States, (11)Univserity of Southern California, Venice, CA, United States, (12)University of Maryland, College Park, College Park, MD, United States, (13)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States
 
Stop the Presses: Aftershock Forecasts in the Media from Bombay Beach to Anchorage to Ridgecrest (Invited) (548978)
Sara McBride1, Andrea L Llenos2, Jeanne Hardebeck3, Andrew Jay Michael3, Morgan Page4, Nicholas van der Elst5, Anne M Wein6, Michael Barrall7 and Eric Martinez8, (1)U.S. Geological Survey, Earthquake Science Center, Kennewick, United States, (2)USGS California Water Science Center Menlo Park, Menlo Park, CA, United States, (3)USGS, Menlo Park, CA, United States, (4)USGS Geological Survey, Pasadena, CA, United States, (5)USGS Earthquake Science Center, Pasadena, CA, United States, (6)U. S. Geological Survey, Western Geographic Science Center, Menlo Park, CA, United States, (7)Invisible Software, San Jose, United States, (8)USGS National Earthquake Information Center Golden, Golden, CO, United States
 
Initial field observations of surface displacement along the 2019 Mw 7.1 Ridgecrest, California earthquake rupture (549975)
Christopher B DuRoss1, Timothy E Dawson2, Ryan D Gold1, Katherine J Kendrick3, Katherine M Scharer4, Gordon Seitz5 and Janis Lynn Hernandez6, (1)USGS, Geologic Hazards Science Center, Golden, CO, United States, (2)California Geological Survey, San Mateo, CA, United States, (3)U.S. Geological Survey, Earthquake Science Center, Pasadena, CA, United States, (4)U.S. Geologic Survey, Earthquake Science Center, Pasadena, CA, United States, (5)California Geological Survey Menlo Park, Menlo Park, CA, United States, (6)California Geological Survey, Los Angeles, CA, United States
 
Surface rupturing and triggered slip on nearby faults from the Ridgecrest earthquakes revealed by InSAR (553682)
Xiaohua Xu1, Lauren Ann Ward2, Bridget R Smith-Konter2, Christopher William Douglas Milliner3, Peng Fang1, Yehuda Bock1 and David T Sandwell1, (1)Scripps Institution of Oceanography, Institute of Geophysics and Planetary Physics, La Jolla, CA, United States, (2)University of Hawaii at Manoa, Earth Sciences, Honolulu, HI, United States, (3)Univserity of Southern California, Venice, CA, United States
 
Seismic response of the Coso Geothermal Field after the M7.1 Ridgecrest Earthquake (557586)
Joern O Kaven, USGS, Menlo Park, CA, United States, Kelly Ruth Blake, US Navy, Geothermal Program Office, Ridgecrest, CA, United States and Stephanie Nale, US Navy, Geothermal Program Office, China Lake, CA, United States
 
Near-Field Ground Motions from the 2019 M6.4 and M7.1 Ridgecrest, California, Earthquakes: Subdued Shaking due to Pervasive Non-Linear Site Response? (558701)
Susan Elizabeth Hough, USGS Pasadena Field Office, Pasadena, CA, United States, Eric Thompson, USGS Geologic Hazards Science Center, Golden, CO, United States, Annemarie Baltay, U.S. Geological Survey, Menlo Park, CA, United States, Grace Alexandra Parker, University of California Los Angeles, Los Angeles, CA, United States, Kenneth W Hudnut, USGS, Pasadena, CA, United States, Robert W Graves, US Geological Survey, Pasadena, CA, United States, Morgan Page, USGS Geological Survey, Pasadena, CA, United States, Elizabeth S Cochran, Earthquake Science Center, U.S. Geological Survey, Pasadena, CA, United States, Kelly Ruth Blake, US Navy, Geothermal Program Office, Ridgecrest, CA, United States, Timothy E Dawson, California Geological Survey, San Mateo, CA, United States, Tyler C Ladinsky, San Francisco State University, Earth and Climate Science, San Francisco, CA, United States, Krittanon Sirorattanakul, California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States and Jason R Patton, Humboldt State University, Arcata, CA, United States
 
Surface Deformation of the Mw 6.4 and Mw 7.1 Ridgecrest Earthquakes Measured from subpixel Correlation of Copernicus Sentinel-2 Optical Images (559145)
Saif Aati1, Francois Ayoub2 and Jean-Philippe Avouac1, (1)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (2)Jet Propulsion Laboratory, Pasadena, CA, United States
 
Seismic Velocity Changes Associated with the 2019 Ridgecrest Earthquake Sequence (559699)
Yanru An, China Earthquake Networks Center, Beijing, China; University of California, Berkeley, Berkeley, CA, United States, Taka'aki Taira, Univ California Berkeley, Berkeley, CA, United States, Chenyu Li, Georgia Institute of Technology Main Campus, Atlanta, GA, United States and Zhigang Peng, Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, United States
 
The USGS Southern California GNSS Network: Real-time Estimates of Crustal Deformation Associated with the 2019 Ridgecrest, California, Earthquake Sequence (560948)
Mark H Murray1,2, Christian Guillemot2, Aris Aspiotes3, Ryan Turner4, Jerry Parsi5, Benjamin A. Brooks6, John O Langbein2 and Jeffrey Joseph McGuire6, (1)New Mexico Institute of Mining and Technology, Socorro, NM, United States, (2)US Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (3)U.S. Geological Survey, Earthquake Science Center, Pasadena, United States, (4)UNAVCO, Inc., Boulder, CO, United States, (5)USGS Geological Survey, Earthquake Science Center, Pasadena, CA, United States, (6)US Geological Survey, Menlo Park, CA, United States
 
Near-field Inelastic Strain Measurements of the 2019 Ridgecrest Earthquake Sequence using High-res Geodetic Imaging Data: Implications for Development of a Geodetic-based Probabilistic Fault Displacement Hazard Analysis. (561274)
Christopher William Douglas Milliner1, Rui Chen2, Andrea Donnellan3, Alexander E Morelan III4, Christopher M Madugo5, James Francis Dolan6, Xiaohua Xu7, Yousef Bozorgnia8, Robert Wayne Zinke6, Alexandra C Sarmiento and Timothy Dawson10, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)California Geological Survey, Sacramento, CA, United States, (3)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (4)University of California Davis, Earth and Planetary Sciences, Davis, CA, United States, (5)Pacific Gas and Electric Company, Geosciences, San Francisco, CA, United States, (6)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, (7)Scripps Institution of Oceanography, Institute of Geophysics and Planetary Physics, La Jolla, CA, United States, (8)University of California Berkeley, Berkeley, CA, United States, (9)California Geological Survey, San Mateo, United States
 
2019 Ridgecrest Sequence Demonstrates The Benefit of Real-time GNSS in Earthquake Early Warning (566724)
Kathleen Marian Hodgkinson1, David Mencin1, Christian P Walls1, Doerte Mann2, Kenneth Emil Austin1, Karl Feaux1, Charles Sievers3, Stephen T Dittmann1 and Glen S Mattioli4, (1)UNAVCO, Inc., Boulder, CO, United States, (2)UNAVCO, Inc. Boulder, Boulder, CA, United States, (3)UNAVCO, Inc, Boulder, CO, United States, (4)UNAVCO, Inc., Boulder, United States
 
Strong Ground Motion Simulation for the M7.1, 2019 Ridgecrest California Earthquake (567904)
Arben Pitarka, Lawrence Livermore National Laboratory, Atmospheric, Earth and Energy Division, Livermore, CA, United States, Robert W Graves, US Geological Survey, Pasadena, CA, United States and Arthur J Rodgers, Lawrence Livermore Natl Lab, Livermore, CA, United States
 
Lower-crustal rheology in the Basin and Range near the 2019 Ridgecrest earthquake sequence (568438)
Qiang Qiu, University of Southern California, Department of Earth Sciences, Los Angeles, United States, Prof. Sylvain Barbot, University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States, Shengji Wei, Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore and Teng Wang, Nanyang Technological University, Singapore, Singapore
 
Using the similarity Matrix Profile to detect and study foreshocks and aftershocks of the 2019 Ridgecrest sequence (568532)
Nader Shakibay Senobari1, Gareth Funning2, Zachary Zimmerman3, Peter M Shearer4, Philip Brisk5 and Eamonn Keogh3, (1)University of California Riverside, Riverside, CA, United States, (2)University of California, Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States, (3)University of California Riverside, Department of Computer Science and Engineering, Riverside, United States, (4)Univ California San Diego, La Jolla, CA, United States, (5)University of California Riverside, computer science and engineering, Riverside, United States
 
Rapid Post-Earthquake Reconnaissance and Paleoseismic Trenching Preliminary Results for the M6.4 and M7.1 Ridgecrest Earthquake Sequence, Southern California (568830)
Ozgur Kozaci1, Christopher M Madugo2, Jeffrey Bachhuber2, Christopher S Hitchcock1, Albert Kottke2 and Katherine Herr2, (1)InfraTerra, Inc., San Francisco, CA, United States, (2)Pacific Gas and Electric Company, Geosciences, San Francisco, CA, United States
 
Coseismic Rupture Behaviors of The 2019 M6.4 and M7.1 Ridgecrest Earthquakes Inferred From Back-Projections And Satellite Geodesy (568989)
Han Bao1, Yuqing Xie1, Gilles Peltzer1,2 and Lingsen Meng3, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)Jet Propulsion Laboratory, Pasadena, United States, (3)UCLA, Earth, Planetary and Space Science, Los Angeles, CA, United States
 
Separating the Rupture Kinematics of the 2019 Mw 6.4 Searles Valley and Mw 7.1 Ridgecrest Earthquakes by Geodetic and Seismic Observations (570393)
Kejie Chen1, Jean-Philippe Avouac2, Saif Aati2, Christopher William Douglas Milliner3, Fu Zheng4 and Chuang Shi4, (1)California Institute of Technology, Pasadena, CA, United States, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (4)Beihang University, Beijing, China
 
Co-seismic rupture process of the 2019 Ridgecrest earthquake sequence from joint inversion of geodetic and seismological observations (571236)
Chengli LIU1,2, Thorne Lay2, Brodsky Emily2 and Xiong Xiong1, (1)China University of Geosciences, Wuhan, China, (2)University of California Santa Cruz, Santa Cruz, CA, United States
 
The Ups and Downs From Afar: Vertical Deformation of the 2019 M6.4 Searles Valley and M7.1 Ridgecrest Earthquakes (574085)
Bridget R Smith-Konter1, Lauren Ann Ward1, Xiaohua Xu2 and David T Sandwell2, (1)University of Hawaii at Manoa, Earth Sciences, Honolulu, HI, United States, (2)Scripps Institution of Oceanography, Institute of Geophysics and Planetary Physics, La Jolla, CA, United States
 
Prospective and Pseudo-prospective Aftershock Forecasts after the July 2019 M6.4 Searles Valley and M7.1 Ridgecrest Earthquakes (580898)
Simone Mancini, University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom, Margarita Segou, British Geological Survey, Edinburgh, United Kingdom, Tom Parsons, USGS, Menlo Park, CA, United States and Maximilian J Werner, University of Bristol, School of Earth Sciences and Cabot Institute, Bristol, BS8, United Kingdom
 
Pre-Earthquake Deformation, Coseismic Displacements and Post-Earthquake Transient Motions in the Region of the Ridgecrest Earthquakes From Survey and Continuous GNSS Observations (581668)
Michael Floyd, Massachusetts Institute of Technology, Cambridge, MA, United States, Gareth Funning, University of California, Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States, Rachel L Terry, University of California Riverside, Riverside, CA, United States, Yuri A Fialko, Univ California San Diego, La Jolla, CA, United States and William C Hammond, Nevada Geodetic Laboratory, Nevada Bureau of Mines and Geology, University of Nevada - Reno, Reno, NV, United States
 
Seismic hazard implications of post-seismic deformation and stress transfer from the 2019 Searles Valley California Earthquakes (582123)
Lisa S Schleicher, Independent Researcher, Rockville, MD, United States, Mong-Han Huang, University of Maryland, College Park, College Park, MD, United States, Kali L Allison, University of Maryland College Park, College Park, United States and Robert L Anderson, California Seismic Safety Commission, Sacramento, CA, United States
 
Three Dimensional Surface Displacement Measurement of Ridgecrest Earthquake: A Multi-Sensor Approach Incorporating InSAR and Optical Image Sub-pixel Correlation (583502)
Tonoy Mahmud, Tanzim Hayat and Dewan Mohammad Enamul Haque, University of Dhaka, Department of Disaster Science and Management, Dhaka, Bangladesh
 
The Ridgecrest sequence as an example of variable warning times from Earthquake Early Warning (585739)
Jeffrey Joseph McGuire, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Deborah Smith, US Geological Survey, Menlo Park, CA, United States and Robert M DeGroot, University of Southern California, Los Angeles, CA, United States
 
On the comparison of the ground motion observed during the 2019 Mw7.0 Ridgecrest earthquake and the 2016 Mw7.0 Kumamoto earthquake (588093)
Hongjun Si, Kazuki Koketsu and Hiroe Miyake, Earthquake Research Institute, University of Tokyo, Tokyo, Japan
 
Operational earthquake forecasting during the M6.4 Searles Valley and M7.1 Ridgecrest sequence using the UCERF3-ETAS model—evaluation and lessons learned (590411)
Kevin R Milner1, Edward H Field2, William H Savran3, Thomas H Jordan3, Morgan Page4, Maximilian J Werner5 and The Working Group on California Earthquake Probabilities, (1)University of Southern California, Los Angeles, CA, United States, (2)USGS, Denver, CO, United States, (3)Southern California Earthquake Center, Los Angeles, CA, United States, (4)USGS Geological Survey, Pasadena, CA, United States, (5)University of Bristol, Bristol, BS8, United Kingdom
 
Coulomb Stress Models for the 2019 Ridgecrest Earthquake Sequence, California (590444)
Nathan Hexum Pope, U.S. Geological Survey, Menlo Park, United States and Walter Mooney, USGS, Menlo Park, CA, United States
 
Finite source parameters of moderate earthquakes of the 2019 Ridgecrest sequence (590753)
Qianyun Lu, University of Miami, Miami, FL, United States; RSMAS, Miami, FL, United States, Haoran Meng, Florida State University, Tallahassee, FL, United States, Wenyuan Fan, Woods Hole Oceanographic Institution, Woods Hole, MA, United States and Jeffrey Joseph McGuire, US Geological Survey, Menlo Park, CA, United States
 
The M7.1 and 6.4 Ridgecrest Earthquakes on the Airport Lake Fault Connect Owens Valley to the Garlock Fault (592081)
J. Douglas Walker1, Francis C Monastero2, Joseph E. Andrew1, Eric Kirby3 and Jeffrey R Unruh4, (1)University of Kansas, Lawrence, KS, United States, (2)FCM Consulting, Reno, United States, (3)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (4)Lettis Consultants International, Inc., Valencia, CA, United States
 
Assessing the Distribution of Mapped Faults and Surface Ruptures Related to the 2019 Ridgecrest Earthquake Sequence: What We Knew and What We Could Have Known (592996)
Timothy Dawson, California Geological Survey, San Mateo, United States, Jessica Thompson Jobe, USGS Geologic Hazards Science Center, Golden, CO, United States, Gordon Seitz, California Geological Survey Menlo Park, Menlo Park, CA, United States and Michael DeFrisco, California Geological Survey, Los Angeles, CA, United States
 
Postseismic deformation and stress evolution following the 2019 M 7.1 and M 6.4 Ridgecrest earthquakes (593101)
Jacob Dorsett, Bloomington, IN, United States, Kaj M Johnson, Indiana University, Bloomington, IN, United States, Simone Puel, Michigan Technological University, Geological and Mining Engineering and Sciences, Houghton, MI, United States and Thorsten W Becker, University of Texas at Austin, Austin, TX, United States
 
Evaluation of ground motion models for USGS seismic hazard models using near-source instrumental recordings of the Mw 7.1 Ridgecrest earthquake sequence (599414)
Daniel E McNamara1, Emily Wolin2, John Rekoske3, Eric Thompson3, Peter Powers3, Morgan P Moschetti4, Mark David Petersen5, Harley Benz1 and David Wilson6, (1)USGS National Earthquake Information Center Golden, Golden, CO, United States, (2)USGS Geologic Hazards Science Center, Albuquerque, NM, United States, (3)USGS Geologic Hazards Science Center, Golden, CO, United States, (4)US Geological Survey, Denver, CO, United States, (5)USGS, Interior, Denver, CO, United States, (6)USGS, Baltimore, MD, United States
 
The complex kinematics and multi-fault rupture process of the 2019 Ridgecrest earthquakes (600066)
Amanda Thomas1, Dara Goldberg1, Diego Melgar2, Valerie J Sahakian1, Brendan Crowell3 and Jianghui Geng4, (1)University of Oregon, Eugene, OR, United States, (2)University of Oregon, Department of Earth Sciences, Eugene, OR, United States, (3)University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States, (4)Wuhan University, Wuhan, China
 
Exploring the next generation of EEW testing: Large magnitude events, geodetic data and station latency information, with a focus on the Ridgecrest sequence (601549)
Deborah E. Smith, USGS Pasadena Field Office, Pasadena, CA, United States, Jeffrey Joseph McGuire, US Geological Survey, Menlo Park, CA, United States, Andrew Good, California Institute of Technology, Pasadena, CA, United States, Stephen Guiwits, USGS Pasadena Field Office, Pasadena, United States, Colin O'Rourke, United States Geological Survey, Seattle, WA, United States and Angela I Chung, University of California Berkeley, Berkeley, CA, United States
 
Geodetic Earth Science Data Records: Consideration of the effects of the 2019 M 6.4 and M 7.1 Ridgecrest, California Earthquake Sequence on Plate Boundary Deformation (603640)
Angelyn W Moore1, Yehuda Bock2, Dorian Golriz3, Peng Fang2, Zhen Liu1, Donald F Argus1, Anne Sullivan3, Songnian Jiang3 and Sharon Kedar1, (1)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (2)Scripps Institution of Oceanography, Institute of Geophysics and Planetary Physics, La Jolla, CA, United States, (3)Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography, La Jolla, CA, United States
 
Fault slip distribution and structural style along the southern 15 km of the M7.1 Ridgecrest earthquake surface rupture: Initial observations (604408)
Sinan O Akciz1, Salena Padilla1, Alexandra E Hatem2, James Francis Dolan3 and Ridgecrest Rupture Mapping Group, (1)California State University Fullerton, Geological Sciences, Fullerton, CA, United States, (2)University of Southern California, Earth Sciences, Los Angeles, CA, United States, (3)University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States
 
Distinguishing slip from the M6.4 and M7.1 Ridgecrest earthquakes using campaign GPS, seismic and InSAR data (605106)
Gareth Funning1, Ana MG Ferreira2, Michael Floyd3, Michael Frietsch2 and Rachel L Terry1, (1)University of California Riverside, Riverside, CA, United States, (2)University College London, London, United Kingdom, (3)MIT, Cambridge, MA, United States
 
Rapid Deployment of DAS Fiber-Optic Sensors for Monitoring the 2019 Searles Valley and Ridgecrest Earthquakes (606875)
Steve Cole, Martin Horst Karrenbach, Lisa M La Flame and Victor Yartsev, OptaSense, Inc, Brea, CA, United States
 
Triggering of deep tremor and slow earthquakes along the Parkfield-Cholame section of the San Andreas Fault by the 2019 M7.1 Ridgecrest earthquake and other large regional earthquakes (608068)
Zhigang Peng, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, David R Shelly, USGS National Earthquake Information Center, Golden, CO, United States and Taka'aki Taira, Univ California Berkeley, Berkeley, CA, United States
 
A first look at the seismic characteristics of the 2019 July Ridgecrest, California earthquake sequence through the lens of machine learning (609565)
Min Liu1,2, Miao Zhang2, William L Ellsworth3, Weiqiang Zhu3 and Hongyi Li1, (1)China University of Geosciences (Beijing), School of Geophysics and Information Technology, Beijing, China, (2)Dalhousie University, Department of Earth and Environmental Sciences, Halifax, NS, Canada, (3)Stanford University, Department of Geophysics, Stanford, CA, United States
 
Geomorphic evidence of late Quaternary faulting along the M7.1 Ridgecrest Earthquake rupture (611033)
Jessica A Thompson Jobe1, Timothy E Dawson2, Ryan D Gold1, Christopher B DuRoss1 and Gordon Seitz3, (1)USGS, Geologic Hazards Science Center, Golden, CO, United States, (2)California Geological Survey, San Mateo, CA, United States, (3)California Geological Survey Menlo Park, Menlo Park, CA, United States
 
UNAVCO Network of the Americas Performance During 2019 Ridgecrest Earthquake Sequence (612938)
Christian P Walls1, Doerte Mann1, Kathleen Marian Hodgkinson1, Shawn Lawrence2, David Mencin1, Wade Johnson1, Andre Basset2, Ryan Turner1, Michael H Gottlieb1, Karl Feaux1, Glen S Mattioli3, Christine Maria Puskas1, Charles Sievers1, Brent Henderson3, Timothy Dittman1, Kenneth Emil Austin1 and David Phillips1, (1)UNAVCO, Inc., Boulder, CO, United States, (2)UNAVCO, Inc., Boulder, CA, United States, (3)UNAVCO, Inc., Boulder, United States
 
High-resolution integrated dynamic rupture modeling of the 2019 M6.4 Searles Valley and M7.1 Ridgecrest earthquakes (614871)
Taufiqurrahman Taufiqurrahman1, Alice-Agnes Gabriel1, Bo LI1, Duo Li1, Aniko Sara Wirp1, Thomas Ulrich1, Kadek H Palgunadi2, Alessandro Verdecchia3, Sara Carena1 and Zoe K Mildon4, (1)Ludwig Maximilians University of Munich, Munich, Germany, (2)King Abdullah University of Science and Technology, Earth Science and Engineering, Thuwal, Saudi Arabia, (3)Ruhr University Bochum, Institute of Geology, Mineralogy and Geophysics, Bochum, Germany, (4)University of Plymouth, Plymouth, United Kingdom
 
Pseudo-prospective Evaluation of Aftershock Forecasts during the Ridgecrest sequence (616238)
William H Savran1, Kevin R Milner2, Thomas H Jordan1, Edward H Field3, Andrew Jay Michael4, David Alan Rhoades5, David D Jackson6 and Maximilian J Werner7, (1)Southern California Earthquake Center, Los Angeles, CA, United States, (2)University of Southern California, Los Angeles, CA, United States, (3)USGS, Denver, CO, United States, (4)USGS, Menlo Park, CA, United States, (5)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (6)UCLA, Los Angeles, CA, United States, (7)University of Bristol, Bristol, BS8, United Kingdom
 
Ridgecrest Deformation as Probe of Advanced Geodetic Techniques (616622)
Jay W Parker, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, Andrea Donnellan, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Margaret T Glasscoe, JPL-Caltech, Pasadena, CA, United States
 
Near-surface Fault Slip Data for the Mw 7.1 Ridgecrest Earthquake from Curved Coseismic Striations (617785)
Elizabeth K Haddon, U.S. Geological Survey, Geology, Minerals, Energy, & Geophysics Science Center, Menlo Park, CA, United States, Scott E K Bennett, U.S. Geological Survey, Geology Minerals Energy and Geophysics Science Center, Menlo Park, CA, United States, Jason R Patton, California Geological Survey Sacramento, Seismic Hazards, Tsunami Unit, Sacramento, CA, United States, Katherine J Kendrick, U.S. Geological Survey, Earthquake Science Center, Pasadena, CA, United States, Brian Olson, California Geological Survey, Los Angeles, CA, United States, Christopher B DuRoss, USGS, Geologic Hazards Science Center, Golden, CO, United States and Alexandra Pickering, U.S. Geological Survey, Menlo Park, CA, United States
 
The impact of dynamic Coulomb stress perturbation during co-seismic rupture: preliminary analyses of 2019 Mw 6.4 Searles Valley and Mw 7.1 Ridgecrest earthquakes (619030)
Chen Ji, University of California Santa Barbara, Santa Barbara, CA, United States, Ralph J Archuleta, Univ California Santa Barbara, Santa Barbara, CA, United States and Kenichi Tsuda, Shimizu Corporation, Tokyo, Japan
 
Creepmeter Measurements of Triggered slip and Afterslip Associated with the 2019 Ridgecrest Sequence (619071)
Roger Bilham, University of Colorado, CIRES, Boulder, CO, United States and Bryan Adriel Castillo, California State University San Bernardino, San Bernardino, CA, United States
 
Anticipating postseismic deformation from the Ridgecrest earthquake sequence based on finite-element computations, SCEC community models and findings from past Mojave earthquakes (619272)
Elizabeth H Hearn, Self Employed, Washington, DC, United States and Charles A Williams Jr, GNS Science, Lower Hutt, New Zealand
 
The Caltech/USGS Southern California Seismic Network Performance Evaluation during the M6.4 and M7.1 Ridgecrest Earthquake Sequence Recorded on a High Density, Real-Time Seismic Network (620893)
Marcos Alvarez1, Igor Stubailo2, Glenn P Biasi3, Egill Hauksson4, Valerie Thomas5 and Rayomand Bhadha4, (1)USGS Pasadena Field Office, Pasadena, CA, United States, (2)Caltech Seismo Lab, Pasadena, CA, United States, (3)USGS Geological Survey, Earthquake Science Center, Pasadena, CA, United States, (4)California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States, (5)USGS, Pasadena, CA, United States
 
Triggered slip on the Little Lake Fault Zone resulting from the 2019 Ridgecrest Earthquake Sequence, California (621035)
Janis Lynn Hernandez, California Geological Survey, Los Angeles, CA, United States and Timothy E Dawson, California Geological Survey, San Mateo, CA, United States
 
Rupture models of the 2019 M6.4-7.1 Ridgecrest earthquakes constrained by space geodetic data and aftershock locations (621543)
Zeyu Jin, Scripps Institution of Oceanography, Institute of Geophysics and Planetary Physics, La Jolla, CA, United States and Yuri A Fialko, Univ California San Diego, La Jolla, CA, United States
 
Realtime Seismic Hazard Forecast Incorporating Realistic Coulomb Stress Transfer: 2019 Ridgecrest, California, and 2011 Tohoku-Oki Earthquake Tests (621835)
Shinji Toda, Tohoku University, Sendai, Japan, Ross S Stein, Temblor, Inc. and Scientist Emeritus, USGS, Redwood City, CA, United States and Volkan Sevilgen, Temblor, Inc., Redwood City, CA, United States
 
The 2019 Ridgecrest Mw6.5 and Mw7.0 double-let: shallow and slow rupture on non-planar strike-slip faults revealed by Multiple Point Source inversions using 3D Green's functions (622507)
Qibin Shi, Nanyang Technological University, Asian School of the Environment, Singapore, Singapore, Shengji Wei, Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore and Hongyu Zeng, Nanyang Technological University, Singapore, Singapore
 
Rupture of Pre-existing Conjugate Faults During the M7.1 Earthquake Near Ridgecrest, CA (622719)
Scott E K Bennett1, Tyler C Ladinsky2, Brian Swanson3, Alexander E Morelan III4, Christopher William Douglas Milliner5, Katherine M Scharer6, Ryan D Gold7, Sinan O Akciz8 and Timothy E Dawson4, (1)U.S. Geological Survey, Geology Minerals Energy and Geophysics Science Center, Menlo Park, CA, United States, (2)California Geological Survey Menlo Park, Menlo Park, CA, United States, (3)California Geological Survey, Los Angeles, DC, United States, (4)California Geological Survey, San Mateo, CA, United States, (5)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (6)U.S. Geologic Survey, Earthquake Science Center, Pasadena, CA, United States, (7)USGS, Geologic Hazards Science Center, Golden, CO, United States, (8)California State University Fullerton, Geological Sciences, Fullerton, CA, United States
 
The Origin of Surface Cracks from the 2019 Ridgecrest Earthquake Sequence M6.4 and M7.1 Fault Zones: Primary Faulting, Triggered Slip or Shaking Related; Can we tell the difference ? (622743)
Gordon Seitz1, Maxime Mareschal1, Timothy E Dawson1 and Christopher William Douglas Milliner2, (1)California Geological Survey, San Mateo, CA, United States, (2)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
 
Rapid Synthesis of Surface Rupture Mapping and Observation Data During Response to the 2019 Ridgecrest Earthquake Sequence, CA (624906)
Alexandra Pickering1, Kate Thomas2, Daniel John Ponti1, Carla M Rosa3, Janis Lynn Hernandez4 and J. Luke Luke Blair1, (1)U.S. Geological Survey, Menlo Park, CA, United States, (2)California Geological Survey, Sacramento, United States, (3)California Geological Survey, San Mateo, CA, United States, (4)California Geological Survey, Los Angeles, CA, United States
 
A Multiscale Seismic Deployment with 463 Sensors Following the 2019 Ridgecrest Earthquake Sequence in Eastern CA (626500)
Amir A Allam1, Rufus Catchings2, Jamison Haase Steidl3, Elizabeth M Berg4, Nathan Downey5, Yehuda Ben-Zion6, Mark Goldman7, Joanne H Chan8, Coyn Criley8, Ziqiang Ma9, Daniel Langermann9, Adrian McEvilly10 and Daniel Mongovin11, (1)University of Utah, Department of Geology & Geophysics, Salt Lake City, UT, United States, (2)USGS, Earthquake Science Center, Menlo Park, CA, United States, (3)University of California, Santa Barbara, Earth Research Institute, Santa Barbara, CA, United States, (4)University of Utah, Salt Lake City, UT, United States, (5)Sandia National Laboratories, Albuquerque, NM, United States, (6)University of Southern California, Los Angeles, CA, United States, (7)US Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (8)U.S. Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (9)USGS Geological Survey, Menlo Park, CA, United States, (10)California State University East Bay, Earth and Environmental Sciences, Hayward, CA, United States, (11)Central Washington University, Ellensburg, WA, United States
 
Spatio-temporal foreshock evolution of the 2019 M 6.4 and M 7.1 Ridgecrest, California Earthquakes (627649)
Hui Huang, University of California Los Angeles, Los Angeles, CA, United States, Roland Burgmann, Univ California Berkeley, Seismological Laboratory, Berkeley, CA, United States, Lingsen Meng, UCLA, Earth, Planetary and Space Science, Los Angeles, CA, United States, Baptiste Rousset, University of California, Berkeley, Earth and Planetary Sciences, Berkeley, CA, United States and Kang Wang, UC Berkeley, Earth and Planetary Science, Berkeley, CA, United States
 
Rapid-response GPS following the 2019 Ridgecrest Earthquake Sequence (627988)
Jerry L Svarc1, Benjamin A. Brooks2, Mark H Murray3, Eleyne Phillips4, Ryan Turner5, Todd L Ericksen4, Aris Aspiotes6, Kenneth W Hudnut7, Jessica R Murray8, Fred F Pollitz4, Charles Wesley Wicks Jr4, Evelyn A Roeloffs9, Sarah E Minson8, Johanna M Nevitt10, Katherine M Scharer11, Kang Wang12, Eric Jameson Fielding13 and Roland Burgmann14, (1)U.S. Geological Survey, Menlo Park, CA, United States, (2)US Geological Survey, Menlo Park, CA, United States, (3)New Mexico Institute of Mining and Technology, Socorro, NM, United States, (4)U.S. Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (5)UNAVCO, Inc., Boulder, CO, United States, (6)U.S. Geological Survey, Earthquake Science Center, Pasadena, United States, (7)USGS, Pasadena, CA, United States, (8)US Geological Survey, Earthquake Science Center, Menlo Park, CA, United States, (9)USGS, Vancouver, WA, United States, (10)Stanford University, 345 Middlefield Rd, Stanford, CA, United States, (11)U.S. Geologic Survey, Earthquake Science Center, Pasadena, CA, United States, (12)UC Berkeley, Earth and Planetary Science, Berkeley, CA, United States, (13)Jet Propulsion Lab Caltech, Pasadena, CA, United States, (14)Univ California Berkeley, Seismological Laboratory, Berkeley, CA, United States
 
Modeling the 2019 Ridgecrest Earthquake Sequence (630923)
David Douglas Oglesby1, Jordan Cortez2, Christodoulos Kyriakopoulos3, Roby Douilly1, Baoning Wu2, Gareth Funning2 and Abhijit Ghosh1, (1)University of California Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States, (2)University of California, Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States, (3)University of Memphis, Center for Earthquake Research and Information, Memphis, TN, United States
 
The first three days of the 2019 Ridgecrest earthquake sequence (631133)
Benjamin Idini1, Mark Simons2, Minyan Zhong3, Oliver Stephenson3, Zachary E. Ross3, Eric Jameson Fielding4, Sang-Ho Yun5, Egill Hauksson1, Christopher William Douglas Milliner6, Angelyn W Moore7 and Zhen Liu8, (1)California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States, (2)CALTECH, Pasadena, CA, United States, (3)California Institute of Technology, Pasadena, CA, United States, (4)Jet Propulsion Lab Caltech, Pasadena, CA, United States, (5)Jet Propulsion Laboratory, Pasadena, CA, United States, (6)Univserity of Southern California, Venice, CA, United States, (7)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (8)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
 
Geodetic Imaging of the Coseismic and Early Postseismic Deformation from the 2019 Mw 7.1 and Mw 6.4 Ridgecrest Earthquakes in California with SAR (631391)
Eric Jameson Fielding1, Mark Simons2, Oliver Stephenson3, Minyan Zhong3, Sang-Ho Yun4, Cunren Liang3, Simran Sangha5, Zachary E. Ross3, Mong-Han Huang6 and Benjamin A. Brooks7, (1)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (2)CALTECH, Pasadena, CA, United States, (3)California Institute of Technology, Pasadena, CA, United States, (4)Jet Propulsion Laboratory, Pasadena, CA, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (6)University of Maryland, College Park, College Park, MD, United States, (7)US Geological Survey, Menlo Park, CA, United States
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