A new approach to investigate the correlation between geoelectrical time fluctuations and earthquakes in a seismic area of southern Italy

We propose a new approach to investigate the possible correlation between electrical signals and earthquakes. Good correlation has been found between the spectral power‐law exponent of geoelectrical signals and the Hurst exponent of the seismicity of the area investigated. A tendency of both paramet...

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Bibliographic Details
Published in:Geophysical research letters 2001-12, Vol.28 (23), p.4375-4378
Main Authors: Telesca, Luciano, Cuomo, Vincenzo, Lapenna, Vincenzo, Macchiato, Maria
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Earthquakes, seismology
Engineering and environment geology. Geothermics
Exact sciences and technology
Internal geophysics
Natural hazards: prediction, damages, etc
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Summary:We propose a new approach to investigate the possible correlation between electrical signals and earthquakes. Good correlation has been found between the spectral power‐law exponent of geoelectrical signals and the Hurst exponent of the seismicity of the area investigated. A tendency of both parameters to converge toward unity, typical of self‐organized critical dynamics, is evident before the occurrence of the major event recorded in the area during the observation period.
ISSN:0094-8276
1944-8007
DOI:10.1029/2001GL013467