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Authors: Meloni, A.*
Di Mauro, D.*
Mele, G.*
Palangio, P.*
Ernst, T.*
Teisseyre, R.*
Title: Evolution of magnetotelluric, total magnetic field, and VLF field parameters in Central Italy: relations to local seismic activity
Issue Date: Apr-2001
Series/Report no.: 44/2
Keywords: Magnetotelluroc
VLF waves
Abstract: Magnetotelluric data were collected at Collemeluccio (41.72°N, 14.37°E) in Central Italy from summer 1991 to spring 1998. Analyzed by means of tensor decomposition on the geoelectric potential and robust estimation on the geomagnetic field, this set of data allowed the investigation of the electric properties at different time-periods. The variation of some indicators, related to the phenomenon of electromagnetic induction, is presented here in its time evolution and compared to local and regional seismic activity. Tectonomagnetic field observations from absolute magnetic field level in Central Italy were also made on data simultaneously recorded at four magnetometer stations, using L'Aquila Geomagnetic Observatory as a reference for differentiation. Recent results gathered from a system of two VLF search coil wide-band antennas, installed in the L'Aquila Observatory, are also discussed in relation to local seismic activity.
Appears in Collections:04.06.02. Earthquake interactions and probability
Annals of Geophysics
Papers Published / Papers in press

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