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Authors: Bonforte, A.*
Guglielmino, F.*
Palano, M.*
Puglisi, G.*
Title: A syn-eruptive ground deformation episode measured by GPS, during the 2001 eruption on the upper southern flank of Mt Etna
Title of journal: Bulletin of Volcanology
Series/Report no.: 4/66/2004
Publisher: Springer
Issue Date: May-2004
DOI: 10.1007/s00445-003-0314-x
Keywords: GPS
Ground deformation
Volcano monitoring
Abstract: Ground deformation occurring on the southern flank of Mt Etna volcano during the JulyAugust 2001 eruption was monitored by GPS measurements along an EW profile crossing the fissure system. This profile was measured eight times during the eruption, using the 'stop and go' semi-kinematic technique. Horizontal and vertical displacements between GPS surveys are reported for each station. The most significant event is a deformation episode occurring during the first week of the eruption, between 2527 July. Displacements were measured on benchmarks close to the eruptive fissure and the tensile 1989 fracture. Data inversions for measured displacements were performed using the Okada model. The model shows the narrowing of the 2001 dyke accompanied by a dextral dislocation along an east-dipping fault, parallel to the 1989 fracture.
Appears in Collections:04.03.09. Instruments and techniques
04.03.07. Satellite geodesy
04.08.06. Volcano monitoring
Papers Published / Papers in press

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