Intercluster Correlation in Seismicity
Geophysics
2009-11-10 v1
Abstract
Mega et al.(cond-mat/0212529) proposed to use the ``diffusion entropy'' (DE) method to demonstrate that the distribution of time intervals between a large earthquake (the mainshock of a given seismic sequence) and the next one does not obey Poisson statistics. We have performed synthetic tests which show that the DE is unable to detect correlations between clusters, thus negating the claimed possibility of detecting an intercluster correlation. We also show that the LR model, proposed by Mega et al. to reproduce inter-cluster correlation, is insufficient to account for the correlation observed in the data.
Keywords
Cite
@article{arxiv.physics/0307134,
title = {Intercluster Correlation in Seismicity},
author = {Agnes Helmstetter and Didier Sornette},
journal= {arXiv preprint arXiv:physics/0307134},
year = {2009}
}
Comments
Comment on Mega et al., Phys. Rev. Lett. 90. 188501 (2003) (cond-mat/0212529)