Articles | Volume 52
10 Jun 2020
 | 10 Jun 2020

Low frequency seismic source investigation in volcanic environment: the Mt. Vesuvius atypical case

Simona Petrosino and Paola Cusano

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Preface to “Understanding volcanic processes through geophysical and volcanological data investigations: some case studies from Italian sites (EGU2019 GMPV5.11 session, COV10 S01.11 session)”
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Teresa Caputo, Paola Cusano, Simona Petrosino, Fabio Sansivero, and Giuseppe Vilardo
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Characterization of the seismic dynamical state through joint analysis of earthquakes and seismic noise: the example of Ischia Volcanic Island (Italy)
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Cited articles

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Bianco, F., Castellano, M., Milano, G., Ventura, G., and Vilardo, G.: The Somma–Vesuvius stress field induced by regional tectonics: evidences from seismological and mesostructural data, J. Volcanol. Geoth. Res., 82, 199–218, 1998. 
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Short summary
We present a detailed analysis of the atypical low frequency seismicity occurred at Mt. Vesuvius in 2003-2018. The different decay patterns of the spectra, the existence of families as well as single events, the wide seismogenic volume, indicate that these events are caused by distinct source mechanisms: slow brittle failure in dry rocks and resonance of fluid-filled cracks. On these basis, we classified the earthquakes as Low Frequency (LF) and Long Period (LP).