The shallow plumbing system of Stromboli Island as imaged from 1 Hz instantaneous GPS positions

Details The shallow plumbing system of Stromboli Island as imaged from 1 Hz instantaneous GPS positions The shallow plumbing system of Stromboli Island as imaged from 1 Hz instantaneous GPS positions

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3124610m&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 24, CiteID L24610

Physics

Geophysics

13

Mathematical Geophysics: Modeling, Tectonophysics: Physics Of Magma And Magma Bodies, Volcanology: Eruption Mechanisms, Volcanology: Eruption Monitoring (7280)

Scientific paper

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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