Magnitude clustering and dynamical scaling in trigger models for earthquake forecasting

Details Magnitude clustering and dynamical scaling in trigger models for earthquake forecasting Magnitude clustering and dynamical scaling in trigger models for earthquake forecasting

2005-07-27

arxiv.org/abs/physics/0507197v1

Physics

Geophysics

3 figures

Scientific paper

One of the main interests in seismology is the formulation of models able to describe the clustering in time occurrence of earthquakes. Analysis of the Southern California Catalog shows magnitude clustering in correspondence to temporal clustering. Here we propose a dynamical scaling hypothesis in which time is rescaled in terms of magnitude. This hypothesis is introduced in the context of a generalized trigger model and gives account for clustering in time and magnitude for earthquake occurrence. The model is able to generate a synthetic catalog reproducing magnitude and inter-even time distribution of thirty years California seismicity.

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