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Geophysical investigations of the plumbing system of Stromboli volcano (Aeolian Islands,Italy)
Authors:Mario Mattia  Marco Aloisi  Giuseppe Di Grazia  Salvatore Gambino  Mimmo Palano  Valentina Bruno
Institution:1. Istituto Nazionale di Geofisica e Vulcanologia, sezione di Catania, Piazza Roma 2, Catania, Italy;2. Università degli Studi di Catania, Istituto di Geologia e Geofisica, Corso Italia 55, Catania, Italy
Abstract:In this work, we report the results of an integrated approach using both seismological and geodetic data provided by the INGV-CT (Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania) Stromboli volcano monitoring systems, in order to improve the knowledge of its plumbing system. In particular, we investigated the relationships between the June 1999 seismic swarm, occurring in the area of Stromboli, and the possible activation of the NE–SW oriented volcano-tectonic structure. We analyzed this seismic swarm proposing new locations and a morphological analysis of the waveforms. This approach allowed us to demonstrate that there are relationships between the tectonic activity near Stromboli and the rising of magma. This evidence supports the hypothesis that during the 1999 swarm an intrusive process started from a crustal level where earthquakes were located (about 10–15 km b.s.l.).
Keywords:Stromboli  ground deformation  modeling  plumbing system
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