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http://hdl.handle.net/2122/1210| 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.: | 2/44 (2001) | URI: | http://hdl.handle.net/2122/1210 | Keywords: | ULF emission earthquake precursors |
Subject Classification: | 04. Solid Earth::04.05. Geomagnetism::04.05.02. Geomagnetic field variations and reversals | 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: | Annals of Geophysics |
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