G32A:
Plate Motion, Continental Deformation, and Interseismic Strain Accumulation II

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Session ID#: 15699

Session Description:
Space geodetic positioning data (particularly GNSS and InSAR) are commonly used to evaluate how plate motion is being taken up by continental deformation and the mechanisms of elastic strain cycles. Such studies often integrate geodetic solutions with geological and geophysical data in computational models. We are inviting studies that utilize geodetic and geologic/geophysical observations to investigate the character of intra-plate and plate boundary deformation zones, interseismic strain accumulation and co- and post-seismic strain release.  We seek studies that help to answer many related questions like (but not limited to): What fraction of plate motion is taken up by fault slip during earthquakes and through creep processes? And what fraction becomes part of distributed deformation off of the major faults?  How representative are the present-day angular velocities of the geologic plate tectonic motions?  To what degree do postseismic transients perturb the nearly constant velocity of the plates?
Primary Convener:  Donald F Argus, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States
Conveners:  Jeffrey Todd Freymueller, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States, Rui Manuel Silva Fernandes, University of Beira Interior, SEGAL (UBI/IDL), Covilhã, Portugal and Dr. D. Sarah Stamps, PhD
Chairs:  Dr. D. Sarah Stamps, PhD and Jeffrey Todd Freymueller, Michigan State University, Earth and Environmental Sciences, East Lansing, MI, United States
OSPA Liaison:  Rui Manuel Silva Fernandes, University of Beira Interior, SEGAL (UBI/IDL), Covilhã, Portugal

Cross-Listed:
  • GP - Geomagnetism, Paleomagnetism and Electromagnetism
  • NH - Natural Hazards
  • S - Seismology
  • T - Tectonophysics
Index Terms:

1209 Tectonic deformation [GEODESY AND GRAVITY]
1525 Paleomagnetism applied to tectonics: regional, global [GEOMAGNETISM AND PALEOMAGNETISM]
7230 Seismicity and tectonics [SEISMOLOGY]
8158 Plate motions: present and recent [TECTONOPHYSICS]

Abstracts Submitted to this Session:

From locking to coupling: Investigating the links between kinematics and stress accumulation along the Chilean subduction zone (140774)
Marcos Moreno1, Jonathan R. Bedford1, Bernd Schurr2, Juan Carlos Baez3, Isabel Urrutia1, Dietrich Lange4, Onno Oncken1 and Daniel Melnick5, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)Universidad de Chile, Facultad de Ciencias Físicas y Matemáticas, Santiago de Chile, Chile, (4)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (5)Universidad Austral de Chile, Instituto de Ciencias de la Tierra, Valdivia, Chile
Elastic strain budget and inelastic deformation in northeast Japan (129785)
Takeshi Sagiya, Nagoya University, Nagoya, Japan and Angela Meneses-Gutierrez, Kyoto University, Kyoto, Japan
Complicated Kinematics In The Southern Cascadia Subduction Zone (120392)
Robert C McPherson, Cal Poly Humboldt, Arcata, CA, United States, Stewart W Smith, Univ of Washington, Department of Earth and Space Sciences, Seattle, WA, United States, Todd B Williams, Cascadia GeoSciences, McKinleyville, CA, United States, Ian S Pryor, Stillwater Science, Arcata, CA, United States and Mark Allen Hemphill-Haley, Humboldt State University, Arcata, CA, United States
New Velocity field for Northern Colombia and Western Venezuela and implications for a great earthquake in the Southwest Caribbean (Invited) (188227)
David Mencin1, Héctor Mora-Páez2, Roger Bilham3, Roger Bilham3, Glen S Mattioli4,5, Peter C La Femina6, Franck A Audemard7, Peter H Molnar8 and Omar J Perez9, (1)University of Colorado at Boulder, CIRES, Boulder, CO, United States, (2)Servicio Geológico Colombiano, Bogota, Colombia, (3)University of Colorado, CIRES, Boulder, CO, United States, (4)UNAVCO, Inc., Boulder, CO, United States, (5)University of Texas at Arlington, Geology, Arlington, TX, United States, (6)Pennsylvania State University Main Campus, Department of Geosciences, University Park, PA, United States, (7)FUNVISIS, Caracas, Venezuela, (8)University of Colorado at Boulder, Department of Geological Sciences, Boulder, CO, United States, (9)Simón Bolívar University, Miranda, Venezuela
GPS Measurements of Crustal Deformation in Lebanon: Implication for Current Kinematics of the Sinaï Plate. (149080)
Mathilde Vergnolle1,2, Rachid Jomaa3, Marleine Brax3, Jean-Luc Menut1,2, Alexandre Sursock3, Ata Richard Elias4, Armand Mariscal5,6, Maurin Vidal1,2 and Nathalie Cotte2,5, (1)Géoazur - Université Nice Sophia Antipolis, Valbonne, France, (2)CNRS, Paris Cedex 16, France, (3)National Council for Scientific Research Lebanon, National Centre for Geophysical Research, Beirut, Lebanon, (4)American University of Beirut, Geology, Beirut, Lebanon, (5)ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France, (6)IRD Institute for Research and Development, Marseille Cedex 02, France
The Distribution of Fault Slip Rates in the Western Transverse Ranges, CA: Evidence from Mechanical Models and Geodesy (151938)
Scott T Marshall, Appalachian State University, Department of Geological and Environmental Sciences, Boone, NC, United States, Gareth Funning, University of California Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States, Hannah Elaine Krueger, Appalachian State University, Boone, NC, United States, Susan E Owen, NASA Jet Propulsion Laboratory, Pasadena, CA, United States and Jack Loveless, Smith College, Geosciences, Northampton, MA, United States
How does the 2010 El Mayor – Cucapah Earthquake Rupture Connect to the Southern California Plate Boundary Fault System (188514)
Andrea Donnellan, Jet Propulsion Laboratory, California Institute of Technology, Instrument Systems Section, Pasadena, United States, Yehuda Ben-Zion, University of Southern California, Los Angeles, CA, United States and Ramon Arrowsmith, Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States
Reconciling Seismicity and Geodetic Locking Depths on the Anza Segment of the San Jacinto Fault (132397)
Junle Jiang, Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States and Yuri A Fialko, Scripps Institution of Oceanography, University of California San Diego, IGPP, La Jolla, United States

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