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Authors: Villante, U.*
Vellante, M.*
Piancatelli, A.*
Title: Ultra low frequency geomagnetic field measurements during earthquake activity in Italy (September-October 1997)
Issue Date: Apr-2001
Series/Report no.: 44/2
Keywords: ULF emission
earthquake precursors
Abstract: Different methods with different results have been proposed in the scientific literature to identify the possible occurrence of weak seismo-magnetic ULF emissions. In September-October, 1997 Central Italy was struck by repeated seismic activity (M L < 5.8). A simple amplitude analysis of the geomagnetic field variations (horizontal components, in the frequency range 4-100 mHz) at a geomagnetic facility located 65-85 km from epicenters of major earthquakes does not reveal in this case any clear evidence for possible ULF emissions.
Appears in Collections:04.05.02. Geomagnetic field variations and reversals
Annals of Geophysics

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