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http://hdl.handle.net/2122/453
Authors: | Mattia, M.* Rossi, M.* Guglielmino, F.* Aloisi, M.* Bock, Y.* |
Title: | The shallow plumbing system of Stromboli Island as imaged from 1 Hz instantaneous GPS positions | Journal: | GEOPHYSICAL RESEARCH LETTERS | Series/Report no.: | L24610/31(2004) | Publisher: | AGU | Issue Date: | 24-Dec-2004 | DOI: | 10.1029/2004GL021281 | Keywords: | Mathematical Geophysics: Modeling Tectonophysics: Physics of magma and magma bodies Volcanology: Eruption mechanisms Volcanology: Eruption monitoring |
Subject Classification: | 04. Solid Earth::04.07. Tectonophysics::04.07.08. Volcanic arcs 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring |
Abstract: | The Stromboli volcano (Aeolian Islands, Italy) erupted suddenly on 28 December 2002 after a 17-year period of typically persistent but moderate eruptive activity, followed two days later by a tsunamigenic landslide on its NW flank (Sciara del Fuoco) felt in the coastal areas of southern Italy. Three continuous GPS stations were quickly deployed near the volcano's rim sampling at 1 Hz, with instantaneous positions computed relative to a fourth station on its flank. We report on two deformation episodes. A vent migration on 16–17 February 2003 caused significant displacements at only one site and contributed to the decision not to issue a warning of an impending tsunamigenic landslide. The second episode on 5 April 2003, a paroxystic explosion from the summit crater, allowed us to model, for the first time with geodetic data, the shallow magma chambers that give rise to Strombolian explosive activity. |
Appears in Collections: | Article published / in press |
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