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IUGG XXIV General Assembly July 2-13, 2007 Perugia, Italy<br />

(S) - <strong>IASPEI</strong> - International Association of Seismology and Physics of the Earth's<br />

Interior<br />

JSS009 Poster presentation 2065<br />

A multifractal study of self-potential time series<br />

Dr. Cervantes De La Torre<br />

Departamento de Sistemas Universidad Autonoma Metropolitana <strong>IASPEI</strong><br />

A. Ramrez-Rojas, C. G. Pava-Miller, F. Angulo-Brown<br />

In many seismically actives zones in the world there exist research programs for the study of precursory<br />

phenomena of seism. One techniques used since more twenty five years ago consists in monitoring the<br />

so-called self-potential (electric field of the ground). We have obtained self-potential registers from the<br />

State of Guerrero s Coast during more than five years; these data sets constitute the so-called selfpotential<br />

time series. In this work we report the fractal and multifractal study of the Acapulco , Coyuca,<br />

Ometepec and Tecpan stations; we study of quantifiers of chaotic behavior such as Lyapunov exponent<br />

and generalized dimensions associated to the self-potential time series<br />

Keywords: seismo, multifractals, nonlinear time series

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