Shallow velocity model of the Northern Flank of Stromboli Volcano, deduced by high frequency surface wave dispersion |
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| Authors: | Simona Petrosino Mario La Rocca Edoardo del Pezzo |
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| Institution: | (1) Dipartimento di Fisica, Università di Salerno, 84081 Baronissi, Salerno, Italy;(2) Osservatorio Vesuviano, Centro di Sorveglianza, Via Manzoni, 249, 80129 Napoli, Italy |
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| Abstract: | The wavefield produced by the Stromboli volcano explosion quakes shows a significant amount of surface waves. Rayleigh waves recorded by a linear array have been investigated to infer the shear-wave velocity model of the Stromboli northern flank. The group velocity dispersion curve was obtained using the multiple filter technique, while the phase velocity dispersion curve was calculated both by phase-matched filtering and performing a p– stack on the observed waveforms. Through the inversion of these curves we were able to recover the shear-wave structure to a depth of about 190 m. |
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