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Electric field patterns as seismic precursors
Author(s) -
Yépez E.,
AnguloBrown F.,
Peralta J. A.,
Pavía C. G.,
GonzálezSantos G.
Publication year - 1995
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/95gl03072
Subject(s) - electric field , geology , seismology , field (mathematics) , fourier analysis , feature (linguistics) , geophysics , fourier transform , geodesy , physics , mathematics , quantum mechanics , pure mathematics , linguistics , philosophy
In this paper we report the results of two and a half years of measurements of the ground electric field at the Pacific coast of Mexico. The analysis of the voltage itself does not show any distinguishable feature that could be correlated to earthquakes. Fourier analysis, however gives clear patterns of the electric field prior to the four M s,w > 6 earthquakes that occurred in the zone during the time interval considered.