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http://hdl.handle.net/2122/1620
Authors: | Patanè, G.* Centamore, C.* La Delfa, S.* |
Title: | Isochronal maps at Mt. Etna volcano (Italy): a simple and reliable tool for investigating large-scale heterogeneities | Issue Date: | Oct-1997 | Series/Report no.: | 5/40 (1997) | URI: | http://hdl.handle.net/2122/1620 | Keywords: | Mt. Etna isochronal curves |
Subject Classification: | 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology | Abstract: | This paper analyses twelve etnean earthquakes which occurred at various depths and recorded at least by eleven stations. The seismic stations span a wide part of the volcanic edifice; therefore each set of direct P-wave arrival times at these stations can be considered appropriate for tracing isochronal curves. Using this simple methodology and the results obtained by previous studies the authors make a reconstruction of the geometry of the bodies inside the crust beneath Mt. Etna. These bodies are interpreted as a set of cooled magmatic masses, delimited by low-velocity discontinuities which can be considered, at present, the major feeding systems of the volcano. |
Appears in Collections: | Annals of Geophysics |
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