MR31B:
The Mechanics of Slow Earthquakes as Illuminated by Observational, Theoretical, and Laboratory Studies I

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Session ID#: 16449

Session Description:
Recent studies show that tectonic faults exhibit a broad spectrum of slip behaviors ranging from creep to earthquakes, including several phenomena that were unknown as recently as 15 years ago.  This session will bring together scientists studying the underlying physics that dictate slow slip. Our goal is to foster critical thinking about the mechanics of slow earthquakes as revealed by multidisciplinary observations. Key questions to be addressed include: 1) what processes dictate fault slip rate and rupture propagation velocity during slow slip, 2) what are the relationships between slow and normal earthquakes, and 3) what are the critical issues that need to be resolved to advance our understanding of the physics of slow slip. We welcome contributions from observational-, theoretical-, and laboratory-based research programs.
Primary Convener:  Chris Marone, Pennsylvania State University Main Campus, Geosciences, University Park, PA, United States
Conveners:  Donald M Fisher, Pennsylvania State University, Department of Geosciences, University Park, United States and Zhigang Peng, Georgia Institute of Technology Main Campus, Atlanta, GA, United States
Chairs:  Chris Marone, Pennsylvania State University Main Campus, Geosciences, University Park, PA, United States and Donald M Fisher, Pennsylvania State University, Department of Geosciences, University Park, United States
OSPA Liaison:  Donald M Fisher, Pennsylvania State University, Department of Geosciences, University Park, United States
Co-Organized with:
Tectonophysics, and Tectonophysics

Cross-Listed:
  • G - Geodesy
  • S - Seismology
  • T - Tectonophysics

Proposed Co-Organized Session with:
  • T - Tectonophysics
Index Terms:

3902 Creep and deformation [MINERAL PHYSICS]
7209 Earthquake dynamics [SEISMOLOGY]
7223 Earthquake interaction, forecasting, and prediction [SEISMOLOGY]
8118 Dynamics and mechanics of faulting [TECTONOPHYSICS]

Abstracts Submitted to this Session:

Estimating the rupture extent of low frequency earthquakes near Parkfield, CA (Invited) (120816)
Jessica C Hawthorne, University of Leeds, School of Earth and Environment, Leeds, LS2, United Kingdom, Amanda Thomas, University of Oregon, Department of Earth Sciences, Eugene, United States and Jean-Paul Ampuero, Géoazur - Université Nice Sophia Antipolis, Valbonne, France
Locating Very-Low-Frequency Earthquakes in the San Andreas Fault. (187058)
Andres Felipe Felipe Peña Castro, McGill University, Montreal, QC, Canada, Rebecca M Harrington, Ruhr University Bochum, Institute of Geology, Mineralogy and Geophysics, Bochum, Germany and Elizabeth S Cochran, Organization Not Listed, Washington, DC, United States
Predicting Failure Under Laboratory Conditions: Learning the Physics of Slow Frictional Slip and Dynamic Failure (187355)
Bertrand Rouet-Leduc1,2, Claudia Hulbert3,4, Jacques Riviere5, Nicholas Lubbers6,7, Kipton Barros6, Chris Marone8 and Paul A Johnson1, (1)Los Alamos National Laboratory, Earth and Environmental Sciences, Los Alamos, NM, United States, (2)University of Cambridge, Department of Materials Science and Metallurgy, Cambridge, United Kingdom, (3)Los Alamos National Laboratory, Center for Nonlinear Studies, Los Alamos, NM, United States, (4)University Pierre and Marie Curie Paris VI, Department of Mathematics, Paris, France, (5)Pennsylvania State University, Engineering Science and Mechanics, University Park, PA, United States, (6)Los Alamos National Laboratory, Center for Nonlinear Studies, Physics and Chemistry of Materials Group, Los Alamos, NM, United States, (7)Boston University, Department of Physics, Boston, MA, United States, (8)Penn State University, Department of Geosciences, University Park, PA, United States
Deep and Complementary Afterslip on the Anza Segment of the San Jacinto Fault from Joint Inversion of Strain and Earthquake Data (165120)
Asaf Inbal, Berkeley Seismological Lab, Berkeley, CA, United States, Jean Paul Ampuero, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States and Jean-Philippe Avouac, California Institute of Technology, Seismological Laboratory, Division of Geological and Planetary Sciences, Pasadena, CA, United States
Evolving Sensitivity of Tremor to Tidal Stress During and Between Large ETSs in Cascadia: Implications for Deep Fault Properties (Invited) (196774)
Heidi Houston, University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States
Slip Stability and Strength Evolution of quartz-calcite-clay Gouge during High-Velocity Shear Experiments (149506)
Chance Morgan, University of Oklahoma Norman Campus, Norman, OK, United States, Brett M Carpenter, University of Oklahoma Norman Campus, School of Geosciences, Norman, United States and Ze'ev Reches, University of Oklahoma Norman Campus, School of Geosciences, Norman, OK, United States
Earthquake Cycles in Geometrically Complex Fault Systems with Rate and State Friction  (133793)
Pierre Romanet, Institut de Physique du Globe de Paris, Mécanique et tectonique de la lithosphère, Paris, France, Harsha S. Bhat, Ecole Normale Supérieure Paris, Laboratoire de géologie, Paris, France and Raul I Madariaga, Ecole Normale Supérieure Paris, Laboratoire de geologie, CNRS, Paris, France

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