15 The Kinematics, Dynamics, and Surface Expression of Faults in Eastern California—Improving Hazard Forecasts and Long-Term Slip Histories

Tuesday, 12 May 2020
1:30 PM - 5:30 PM
Madera Room

Presentations

• 1:30 PM
  OBLIQUE RIFTING, CROSS-FAULT DOMAINS, AND ACTIVE DETACHMENT FAULTS
  Kenneth W. Hudnut, U. S. Geological Survey, Pasadena, CA and John Fletcher, CICESE Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, BJ and Richard D. Koehler, Univ of Nevada-Reno, Reno, NV
  347690 (Theme Sessions)
• 1:50 PM
  SURFACE RUPTURES FROM THE 2019 RIDGECREST EARTHQUAKE SEQUENCE AND OBSERVATIONS APPLICABLE TO FAULT DISPLACEMENT HAZARD ANALYSIS
  Timothy E. Dawson, California Geological Survey, San Mateo, CA and Katherine Scharer, Earthquake Science Center, Pasadena, CA and Alex Morelan, California Geological Survey, Sacramento, CA and Thomas Rockwell, San Diego State University, San Diego, CA
  346960 (Theme Sessions)
• 2:10 PM
  QUANTIFYING FAULT DISPLACEMENT VIA OPTICAL IMAGE CORRELATION USING STRUCTURE-FROM-MOTION ORTHOMOSAICS IN THE 2019 RIDGECREST EARTHQUAKE SEQUENCE
  Alex Morelan, California Geological Survey, Sacramento, CA and Kenneth W. Hudnut, U. S. Geological Survey, Pasadena, CA and Andrea Donnellan, National Aeronautics and Space Administration, Pasadena, CA
  347439 (Theme Sessions)
• 2:30 PM
  EVIDENCE OF PREVIOUS FAULTING ALONG THE 2019 RIDGECREST EARTHQUAKE RUPTURES
  Belle Philibosian, U.S. Geological Survey, Moffett Field, CA and Tyler Ladinsky, California Geological Survey, San Mateo, CA and Brian Swanson, Los Angeles, CA and Elizabeth K. Haddon, Geology, Minerals, Energy & Geophysics Science Center, Moffett Field, CA and Gordon G. Seitz, California Geological Survey, San Mateo, CA and Jessica Ann Jobe, Denver, CO and Colin Chupik, Denver, CO and Timothy E. Dawson, California Geological Survey, San Mateo, CA and Scott Bennett, Geology Minerals Energy and Geophysics Science Center, Moffett Field, CA and Katherine Kendrick, U.S. Geological Survey, Pasadena, CA and Christopher B. DuRoss, Geologic Hazards Science Center, Golden, CO and Ryan Gold, MS966, PO Box 25046US Geological Survey, Denver, CO and Ian Pierce, Oxford
  347320 (Theme Sessions)
• 2:50 PM
  HOLOCENE FAULT SLIP RATES INDICATE LOCALIZATION OF EASTERN CALIFORNIA SHEAR ZONE DEFORMATION BETWEEN RIDGECREST AND BARSTOW
  Elizabeth K. Haddon, Geology, Minerals, Energy & Geophysics Science Center, Moffett Field, CA and David M. Miller, Geology, Minerals, Energy & Geophysics Science Center, Moffett Field, CA and Victoria E. Langenheim, Geology, Minerals, Energy & Geophysics Science Center, Moffett Field, CA and Shannon A. Mahan, Geosciences and Environmental Change Science Center, Denver, CO
  347493 (Theme Sessions)
• 3:10 PM
  DETERMINING AGES OF FAULTED SURFACES ALONG INACCESSIBLE PORTIONS OF THE EASTERN GARLOCK FAULT USING RADIOMETRIC ASSESSMENTS OF SURFACE CHARACTER: APPLICATIONS FOR SLIP RATE STUDIES
  Sean G. Polun, University of Missouri, Columbia, MO and Tandis S. Bidgoli, University of Missouri, Columbia, MO and Francisco Gomez, University of Missouri, Columbia, MO
  347408 (Theme Sessions)
• 3:45 PM
  HIGH-RESOLUTION ANIMATED TECTONIC RECONSTRUCTION OF THE DEATH VALLEY REGION
  Brandon M Lutz, New Mexico Tech, Socorro, NM and Gary Axen, New Mexico Inst Mining and TechnologyDept. Earth & Environmental Science, Socorro, NM and Fred Phillips, New Mexico Institute of Mining and Technology, Socorro, NM and Jolante van Wijk, New Mexico Institute of Mining and Technology, Socorro, NM
  347387 (Theme Sessions)
• 4:05 PM
  CUMULATIVE SLIP ESTIMATES ALONG THE EASTERN MARGIN OF THE EASTERN CALIFORNIA SHEAR ZONE, CALIFORNIA
  Victoria Langenheim, U. S. Geological Survey, Moffett Field, CA and Victoria Langenheim, Geology, Minerals, Energy, and Geophysics Science Center, Moffett Field, CA and Keith Howard, Geology, Minerals, Energy, & Geophysics Science Center, Moffett Field, CA and David Okaya, University of Southern California, Los Angeles, CA and Kevin L. Mickus, Missouri State University, Springfield, MO and Branden Dean, U.S. Geological Survey, Menlo Park, CA and Tait E. Earney, U.S. Geological Survey, Menlo Park, CA
  347162 (Theme Sessions)
• 4:25 PM
  MULTIPLE LINES OF EVIDENCE SUGGEST 30-35 KM OF OFFSET ON THE BLYTHE BASIN STRIKE-SLIP FAULTS: PART OF THE MISSING DEXTRAL SHEAR ACROSS THE MIOCENE PACIFIC-NORTH AMERICA PLATE BOUNDARY?
  Paul J. Umhoefer, Northern Arizona University, Flagstaff, AZ and Skyler Mavor, Flagstaff, AZ and Skyler Mavor, Colorado State University, Fort Collins, CO and V.E. Langenheim, U.S. Geological Survey, Moffett Field, CA and L. Sue Beard, Flagstaff, AZ and Scott Bennett, U.S. Geological Survey, Portland, OR and Ryan Crow, Flagstaff, AZ and Paul Stone, U.S. Geological Survey, Moffett Field, CA and Timothy Brickey, Northern Arizona University, Flagstaff, AZ
  347488 (Theme Sessions)
• 4:45 PM
  STRATIGRAPHIC AND GEOCHRONOLOGIC CONSTRAINTS ON TIME-SPACE PATTERNS OF LATEST QUATERNARY SURFACE RUPTURES ON THE EASTERN PINTO MOUNTAIN AND SOUTHERN MESQUITE LAKE FAULT ZONES NEAR TWENTYNINE PALMS, SOUTHERN CALIFORNIA
  Christopher Menges, U.S. Geological Survey, Tucson, AZ and Shannon A. Mahan, Geosciences and Environmental Change Science Center, Denver, CO and Shannon A. Mahan, U.S. Geological Survey, Tuscon, AZ
  347416 (Theme Sessions)
• 5:05 PM
  LONG-TERM EVOLUTION OF THE EASTERN CALIFORNIA SHEAR ZONE, 10 MA TO PRESENT
  David M. Miller, Geology, Minerals, Energy & Geophysics Science Center, Moffett Field, CA and Scott Bennett, U.S. Geological Survey, Portland, OR and Perach Nuriel, The Geological Survey of Israel Geochemistry, Jerusalem
  346937 (Theme Sessions)