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Observations of mount etna seismicity during the 2002-2003 eruption based on deep-sea gravimeter dataстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Iafolla V., Milyukov V., Nozzoli S.
- Журнал: Journal of Volcanology and Seismology
- Том: 2
- Номер: 4
- Год издания: 2008
- Издательство: Springer Verlag
- Местоположение издательства: Germany
- Первая страница: 289
- Последняя страница: 299
- DOI: 10.1134/S0742046308040064
- Аннотация: This paper concerns observations made by a broadband deep-sea gravimeter installed on the plat-form of the SN-1 multiparameter seafloor observatory. The observatory was deployed at a distance of 25 km from the east coast of Sicily in southern Italy at a depth of 2105 m and was operated in a self-contained mode from October 2002 to February 2003 (134 days). The proximity to Mount Etna and the period of eruptive activity starting in late October 2002 lent added interest to this experiment. The seismic activity of Mount Etna, as recorded by the gravimeter, is characterized by the presence of two signal types, viz., a long-period volcanic tremor of variable amplitude and volcano-tectonic earthquakes. The bulk of energy in the long-period tremor occurs in the spectral interval between 2 and 5 s. The long-period seismic signals due to volcanic and global earthquakes were used to estimate resonant characteristics for Etna’s heterogeneous structures. © MAIK Nauka 2008.
- Добавил в систему: Милюков Вадим Константинович