Model for the Distribution of Aftershock Interoccurrence Times

Robert Shcherbakov, Gleb Yakovlev, Donald L. Turcotte, and John B. Rundle

Phys. Rev. Lett. 95, 218501 – Published 16 November 2005

Abstract

In this work the distribution of interoccurrence times between earthquakes in aftershock sequences is analyzed and a model based on a nonhomogeneous Poisson (NHP) process is proposed to quantify the observed scaling. In this model the generalized Omori’s law for the decay of aftershocks is used as a time-dependent rate in the NHP process. The analytically derived distribution of interoccurrence times is applied to several major aftershock sequences in California to confirm the validity of the proposed hypothesis.

Received 17 June 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.218501

Authors & Affiliations

Robert Shcherbakov^1,2,*, Gleb Yakovlev^1,†, Donald L. Turcotte^2,‡, and John B. Rundle^1,§

¹Center for Computational Science and Engineering, University of California, Davis, California 95616, USA
²Department of Geology, University of California, Davis, California 95616, USA

^*Electronic address: roshch@cse.ucdavis.edu
^†Electronic address: gleb@cse.ucdavis.edu
^‡Electronic address: turcotte@geology.ucdavis.edu
^§Electronic address: rundle@cse.ucdavis.edu

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Issue

Vol. 95, Iss. 21 — 18 November 2005

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