Identifying seismicity patterns leading flank eruptions at Mt. Etna Volcano during 1981-1996

被引：0
|
作者：
Latora, Vito [1 ,2 ]
Vinciguerra, Sergio [3 ]
Bicciato, Silvio [4 ]
Kamimura, Roy T. [5 ]
机构：
[1] Center for Theoretical Physics, Laboratory for Nuclear Sciences, Department of Physics, Massachusetts Institute of Technology, Cambridge,MA,02139, United States
[2] Department of Physics, Harvard University, Cambridge,MA,02138, United States
[3] Benfield Greig Hazard Research Centre, Department of Geological Sciences, University College London, London,WC1E 6BT, United Kingdom
[4] Dipartimento di Processi Chimici dell'Ingegneria, Universita' di Padova, Padova,35131, Italy
[5] Department of Chemical Engineering, Massachusetts Institute of Technology, Cambrige,MA,02139, United States
来源：
Geophysical Research Letters | 1999年 / 26卷 / 14期
关键词：
Statistical tests - Volcanoes;
D O I：
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学科分类号：
摘要：
Seismicity time properties of the Etna Volcano (Italy) are investigated through a systematic pattern recognition analysis. Mean Hypothesis Testing (MHT) has been applied to a long time database of instrumental data recorded from 1981 to 1996 to identify relevant correlation among seismic patterns, main seismogenic volumes and the eight flank eruptions occured in the same period. Time evolution of the test statistic (T-Ratio), calculated on a temporal window starting 75 days prior to a volcanic eruption and extending 25 days after, reveals that there is a pattern of seismic activity prior to the eruptions that can be used as a diagnostic tool as well as a physical modeling support in eruption forecasting. Copyright 1999 by the American Geophysical Union.
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页码：2105 / 2108
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