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Authors: Del Pezzo, E.*
Bianco, F.*
Castellano, M.*
Petrosino, S.*
Pingue, F.*
Capello, M.*
Esposito, T.*
Augusti, V.*
Saccorotti, G.*
La Rocca, M.*
Maresca, R.*
Galluzzo, D.*
Cirillo, A.*
Grozea, B.*
Ibanez, J.*
Carmona, E.*
Alguacil, G.*
Title: A seismic array on Mt. Vesuvius
Issue Date: 1999
Series/Report no.: Open File Report
Keywords: seismic array
Mt. Vesuvius
Abstract: In November 1997 a seismic antenna (array) of short period seismometers was installed on the south-western flank of Mt. Vesuvius; aim of the experiment was to test the use of non-conventional devices for the seismic monitoring of this volcano. In 7 months local seismicity, regional earthquakes and samples of seismic noise were recorded by the array and organised in a data base. Local earthquakes and seismic noise have been analysed with array techniques to investigate the spectral, kinematic and polarization properties of the wavefield. Preliminary results show that the backazimuth of local earthquakes is oriented in the direction of the crater area. For some events, the source location has been constrained using a simplified back propagation in a 2-D velocity structure. The noise wavefield is characterized by the predominance of a sustained low frequency component (< 1Hz) whose source is located S-SE of the array. This low frequency signal has been interpreted as associated to the sea-loading in the gulf of Naples.
Appears in Collections:04.06.08. Volcano seismology

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