Statistics of Earthquakes in Simple Models of Heterogeneous Faults

Abstract

Simple models for ruptures along a heterogeneous earthquake fault zone are studied, focussing 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.

4 pages, RevTex, 3 figures (eps-files), uses epsf

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