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AGU: Geophysical Research Letters

 

Index Terms

  • Mathematical Geophysics: Modeling
  • Mathematical Geophysics: Nonlinear dynamics
  • Mathematical Geophysics: Fractals and multifractals
  • Seismology: Earthquake dynamics and mechanics
  • Seismology: Seismic hazard assessment and prediction

Abstract

Configurational entropy of critical earthquake populations

C. Goltz

Department of Geophysics, Kiel University, Germany

M. Böse

Department of Geophysics, Kiel University, Germany

We present an approach to describe the evolution of distributed seismicity by configurational entropy. We demonstrate the detection of phase transitions in the sense of a critical point phenomenon in a 2D site-percolation model and in temporal and spatial vicinity to the 1992, M7.3 Landers earthquake in Southern California. Our findings support the assumption of intermittent criticality in the Earth's crust. We also address the potential usefulness of the method for earthquake catalogue declustering.

Published 29 October 2002.

Citation: Goltz, C., and M. Böse (2002), Configurational entropy of critical earthquake populations, Geophys. Res. Lett., 29(20), 1990, doi:10.1029/2002GL015540.

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