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http://hdl.handle.net/2122/1652| Authors: | Alparone, S.* Gresta, S.* |
Title: | Low frequency events at Mt. Etna: some problems and open questions | Issue Date: | Mar-1996 | Series/Report no.: | 2/39 (1996) | URI: | http://hdl.handle.net/2122/1652 | Keywords: | Mt. Etna low frequency volcanic events earthquake family polarization |
Subject Classification: | 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous | Abstract: | A short period seismic array setting at Mt. Etna symmetrically in regard to the fracture of the 1991-1993 eruption allowed an analysis of low frequency events which occurred in the first phase of the mentioned eruption. We recorded about 50 events, 19 of them belong to a family. They show very low amplitude values and spectral peaks ranging 0.5-4.5 Hz. The evidence of this family of events shows how the process driving the dynamics of the fluid in the volcano is often the same. |
| Appears in Collections: | Annals of Geophysics |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 14 alparone.pdf | 2.62 MB | Adobe PDF | View/Open |
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