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Authors: Telesca, L.* 
Colangelo, G.* 
Lapenna, V.* 
Macchiato, M.* 
Title: A preliminary studyof the site-dependence of the multifractalfeatures of geoelectric measurements
Issue Date: 2004
Series/Report no.: 47 (1)
Keywords: self-potential signals
multifractal formalism
Subject Classification04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques 
Abstract: Multifractal analysis was performed to characterize the fluctuations in dynamics of the hourly time variability of self-potential signals measured from January 2001 to September 2002 by three stations installed in the Basilicata region (Southern Italy). Two stations (Giuliano and Tito) are located in a seismic area, and one (Laterza) in an aseismic area. Multifractal formalism leads to the identification of a set of parameters derived from the shape of the multifractal spectrum (the maximum a0, the asymmetry B and the width W) and measuring the «complexity» of the signals. Furthermore, the multifractal parameters seem to discriminate self-potential signals measured in seismic areas from those recorded in aseismic areas.
Appears in Collections:Annals of Geophysics

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