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Statistical Distribution of Elapsed Times and Distances of Seismic Events: the Case of the Southern Spain Seismic Catalogue : Volume 12, Issue 2 (08/02/2005)

By Martínez, M. D.

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Book Id: WPLBN0004019672
Format Type: PDF Article :
File Size: Pages 10
Reproduction Date: 2015

Title: Statistical Distribution of Elapsed Times and Distances of Seismic Events: the Case of the Southern Spain Seismic Catalogue : Volume 12, Issue 2 (08/02/2005)  
Author: Martínez, M. D.
Volume: Vol. 12, Issue 2
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2005
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

APA MLA Chicago

Lana, X., Pujades, L., Posadas, A. M., & Martínez, M. D. (2005). Statistical Distribution of Elapsed Times and Distances of Seismic Events: the Case of the Southern Spain Seismic Catalogue : Volume 12, Issue 2 (08/02/2005). Retrieved from http://hawaiilibrary.net/


Description
Description: Departament de Física Aplicada, Universitat Politècnica de Catalunya, Av. Diagonal 649, E-08028 Barcelona, Spain. Several empiric cumulative distributions of elapsed times and distances between seismic events occurred in the Southern Iberian Peninsula from 1985 to 2000 (data extracted from the seismic catalogue of the Andalusian Institute of Geophysics) are investigated. Elapsed times and distances between consecutive seismic events of the whole catalogue, taking into account threshold magnitudes of 2.5, 3.0, 3.5 and 4.0, and of five seismic crises, without distinguishing magnitudes, are investigated. Additionally, the series of distances and elapsed times from the main event to every aftershock are also analysed for the five seismic crises. Even though a power law is sometimes a satisfactory model for the cumulative distribution of elapsed times and distances between seismic events, in some cases a fit with a Weibull distribution for elapsed times performs better. It is worth of mention that, in the case of the seismic crises, the fit achieved by the power law is sometimes improved when it is combined with a logarithmic law. The results derived might be a contribution to a better representation of the seismic activity by means of models that could be based on random-walk processes.

Summary
Statistical distribution of elapsed times and distances of seismic events: the case of the Southern Spain seismic catalogue

 

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