Please use this identifier to cite or link to this item: 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 Classification04. 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.
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