Low frequency events at Mt. Etna: some problems and open questions
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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.
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How to Cite
Alparone, S. and Gresta, S. (1996) “Low frequency events at Mt. Etna: some problems and open questions”, Annals of Geophysics, 39(2). doi: 10.4401/ag-3971.
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