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Earthquake Sequence Calculations with Dynamic Weakening Mechanisms

Noda, Hiroyuki and Lapusta, Nadia and Rice, James R. (2011) Earthquake Sequence Calculations with Dynamic Weakening Mechanisms. In: Multiscale and multiphysics processes in geomechanics. Springer , Berlin, pp. 149-152. ISBN 978-3-642-19629-4.

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There are multiple lines of evidence that major faults which host large earthquakes (e.g., San Andreas fault) operate at much lower shear stresses than what is predicted by Byerlee’s law and a litho- and hydro-static stress state. Recent laboratory experimental studies suggest that a fault weakens dramatically at coseismic slip rates. We have taken the experimentally derived dynamic weakening into account in the earthquake sequence simulations. Our studies reveal that the overall stress level at which a fault operates is controlled by the frictional resistance at coseismic slip rates.

Item Type:Book Section
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URLURL TypeDescription ReadCube access
Lapusta, Nadia0000-0001-6558-0323
Additional Information:© 2011 Springer-Verlag Berlin Heidelberg.
Group:Seismological Laboratory
Subject Keywords:friction, frictional heating, sequence of earthquakes, strong rate-weakening
Record Number:CaltechAUTHORS:20150611-130502690
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58200
Deposited By: Tony Diaz
Deposited On:13 Jun 2015 01:34
Last Modified:10 Nov 2021 22:01

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