S32B:
Energy Partitioning during Earthquakes, Landslides, and Other Shear Failure Processes I

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Session ID#: 17844

Session Description:
During shear failure processes, such as earthquakes and landslides, the released potential energy is partitioned into kinetic/radiated seismic energy and energy dissipated by friction and inelastic deformation. Energy partitioning during shear failure is one of the most fundamental but challenging issues that needs to be quantified in order to understand the basic physics of the process. The key controlling parameters for the energy partitioning, such as rupture speed, material strength, stress drop, surface roughness, friction, etc., have been extensively investigated with seismological observations, numerical modeling, structural geology field work, and laboratory experiments of rock mechanics and granular flows at different scales. We welcome submissions from this broad range of disciplines with the intent of establishing what we have observed and understood so far, and to define the key issues to achieve better understanding in the future.
Primary Convener:  Lingling Ye, California Institute of Technology, Pasadena, CA, United States
Conveners:  Maxime Farin, California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States and Nadia Lapusta, California Institute of Technology, Department of Mechanical and Civil Engineering, Pasadena, CA, United States
Chairs:  Maxime Farin, California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States and Lingling Ye, California Institute of Technology, Pasadena, CA, United States
OSPA Liaison:  Lingling Ye, California Institute of Technology, Pasadena, CA, United States
Co-Organized with:
Tectonophysics, Tectonophysics, and Natural Hazards

Cross-Listed:
  • EP - Earth and Planetary Surface Processes
  • NH - Natural Hazards
  • PA - Public Affairs
  • T - Tectonophysics

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

7209 Earthquake dynamics [SEISMOLOGY]
7215 Earthquake source observations [SEISMOLOGY]
8004 Dynamics and mechanics of faulting [STRUCTURAL GEOLOGY]
8163 Rheology and friction of fault zones [TECTONOPHYSICS]

Abstracts Submitted to this Session:

What is the earthquake fracture energy? (Invited) (121526)
Giulio Di Toro1,2, Stefan Bjorklund Nielsen3, Francois Xavier Passelegue4, Elena Spagnuolo5, Andrea Bistacchi6, Michele Fondriest2, Shane Murphy5, Stefano Aretusini7 and Matteo Demurtas8, (1)INGV (Istituto Nazionale di Geofisica e Vulcanologia), Rome, Italy, (2)University of Manchester, Manchester, United Kingdom, (3)University of Durham, Department of Earth Sciences, Durham, United Kingdom, (4)University of Manchester, SEAES, Manchester, United Kingdom, (5)National Institute of Geophysics and Volcanology, Roma 1, Rome, Italy, (6)University of Milan - Bicocca, Department of Earth and Environmental Sciences, Milan, Italy, (7)University of Manchester, Manchester, M13, United Kingdom, (8)Padua University, Dipartimento di Geoscienze, Padua, Italy
Energy Dissipation and Fault Slip Kinematics: Effects of Velocity History (146376)
Ze'ev Reches, University of Oklahoma Norman Campus, School of Geosciences, Norman, OK, United States, Zonghu Liao, China University of Petroleum, College of Geosciences, Beijing, China and Yuval Boneh, Washington University in St Louis, Earth and Planetary Sciences, St. Louis, MO, United States
Flash heating, high velocity friction and the fracture energy of earthquakes (154903)
Nicolas Brantut, University College London, Department of Earth Sciences, London, United Kingdom, John D Platt, Carnegie Institution for Science Washington, Washington, DC, United States and Robert C Viesca, Tufts University, Civil and Environmental Engineering, Medford, United States
Fault roughness and the earthquake energy budget (Invited) (124249)
Emily E Brodsky, University of California Santa Cruz, Department of Earth and Planetary Sciences, Santa Cruz, CA, United States, Thibault Candela, University of California Santa Cruz, Santa Cruz, CA, United States and James D Kirkpatrick, McGill University, Earth & Planetary Sciences, Montreal, Canada
Recovering the Seismic Energy Transmitted to the Ground by Snow Avalanches. (138239)
Emma Surinach, University of Barcelona, Grup RISKNAT, Institut Geomodels, Faculty of Earth Sciences, Department of Earth and Ocean Dynamics, Barcelona, Spain, Anne Mangeney, Institut de Physique du Globe de Paris (IPGP), Université Paris Cité, Paris, France, Clara Levy, Institut de Physique du Globe de Paris, Paris, France and Pere Roig, University of Barcelona, Dinàmica de la Terra i de l’Oceà, Barcelona, Spain
Dynamic Stress Changes during the 2015 Gorkha, Nepal Earthquake (187301)
Lingling Ye, California Institute of Technology, Pasadena, CA, United States, Jean-Philippe Avouac, California Institute of Technology, Seismological Laboratory, Division of Geological and Planetary Sciences, Pasadena, CA, United States and Nadia Lapusta, California Institute of Technology, Department of Mechanical and Civil Engineering, Pasadena, CA, United States

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