Articles | Volume 52
Adv. Geosci., 52, 29–39, 2020
https://doi.org/10.5194/adgeo-52-29-2020
Adv. Geosci., 52, 29–39, 2020
https://doi.org/10.5194/adgeo-52-29-2020

  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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Cited articles

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Bianco, F., Cusano, P., Petrosino, S., Castellano, M., Buonocunto, C., Capello, M., and Del Pezzo, E.: Small-aperture array for seismic monitoring of Mt. Vesuvius, Seismol. Res. Lett., 76, 344–355, https://doi.org/10.1785/gssrl.76.3.344, 2005. 
Bean, C., Lokmer, I., and O'Brien, G.: Influence of near-surface volcanic structure on long-period seismic signals and on moment tensor inversions: Simulated examples from Mount Etna, J. Geophys. Res., 113, B08308, https://doi.org/10.1029/2007JB005468, 2008. 
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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).