Seismicity affecting Mt. Etna Volcano (Italy) has been investigated in order to identify and discriminate seismic patterns precursory to flank eruptions. An intense period (1981-1996) of seismicity and volcanism, during which eight flank eruptions occurred has been considered. Two statistical methods are used: mean hypothesis testing and entropic decision trees. The results of the two methods are consistent and reveal a pattern of 'deep' and 'western' events, prior to the flank eruptions that can be used as a predictive tool as well as a physical modeling constraint.
Identifying and discriminating seismic patterns leading flank eruptions at Mt. Etna Volcano during 1981-1996 / Vinciguerra, S; Latora, V; Bicciato, Silvio; Kamimura, Rt. - In: JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH. - ISSN 0377-0273. - STAMPA. - 106:3-4(2001), pp. 211-228. [10.1016/S0377-0273(00)00274-2]
Identifying and discriminating seismic patterns leading flank eruptions at Mt. Etna Volcano during 1981-1996
BICCIATO, Silvio;
2001
Abstract
Seismicity affecting Mt. Etna Volcano (Italy) has been investigated in order to identify and discriminate seismic patterns precursory to flank eruptions. An intense period (1981-1996) of seismicity and volcanism, during which eight flank eruptions occurred has been considered. Two statistical methods are used: mean hypothesis testing and entropic decision trees. The results of the two methods are consistent and reveal a pattern of 'deep' and 'western' events, prior to the flank eruptions that can be used as a predictive tool as well as a physical modeling constraint.
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