Statistics of Earthquakes in Simple Models of Heterogeneous Faults

Daniel S. Fisher, Karin Dahmen, Sharad Ramanathan, and Yehuda Ben-Zion
Phys. Rev. Lett. 78, 4885 – Published 23 June 1997
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Abstract

Simple models for ruptures along a heterogeneous earthquake fault zone are studied, focusing on the interplay between the roles of disorder and dynamical effects. A class of models are found to operate naturally at a critical point whose properties yield power-law scaling of earthquake statistics. Various dynamical effects can change the behavior to a distribution of small events combined with characteristic system size events. The studies employ various analytic methods as well as simulations.

  • Received 3 March 1997

DOI:https://doi.org/10.1103/PhysRevLett.78.4885

©1997 American Physical Society

Authors & Affiliations

Daniel S. Fisher, Karin Dahmen, and Sharad Ramanathan

  • Lyman Laboratory of Physics, Harvard University, Cambrigde, Massachusetts 02138

Yehuda Ben-Zion

  • Department of Earth Sciences, University of Southern California, Los Angeles, California 90089-0740

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Issue

Vol. 78, Iss. 25 — 23 June 1997

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