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| Format: | Artículo científico |
| Language: | en |
| Published: |
Sociedad Mexicana de Física A.C.
2013
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| Online Access: | https://www.redalyc.org/articulo.oa?id=57030970003 |
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Table of Contents:
- Cross-correlation analysis for geoelectric time series associated with an earthquake by means of mutual information theory A. Ramírez-Rojas R. T. Páez-Hernández J. Rubén Luévano Física, Astronomía y Matemáticas Cross potential correlation electric self Mutual Information We apply information theory to characterize electric self-potential time series monitored in the most important seismic region in M ́ exico. We compute the level of global cross-correlation between two perpendicular components of such time series. Both time series were monitored, for a period of several months, before, during and after of a Ms = 7.4 earthquake occurred on September 14, 1995. Our calculations are based on the re-scaled average mutual information index ∏ = ∏ (I), where I is the mutual information function and ∏ is a measure of strength of nonlinear correlations between two times series. Our findings suggest that the high level of global correlation observed between both electric field components during several months before the event, is associated with the preparation mechanism of the occurred earthquake. 2013 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57030970003 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.1 Vol.59