Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/427
AuthorsBonforte, A.* 
Guglielmino, F.* 
Palano, M.* 
Puglisi, G.* 
TitleA syn-eruptive ground deformation episode measured by GPS, during the 2001 eruption on the upper southern flank of Mt Etna
Issue DateMay-2004
Series/Report no.4/66/2004
DOI10.1007/s00445-003-0314-x
URIhttp://hdl.handle.net/2122/427
KeywordsGPS
Ground deformation
Modelling
Volcano monitoring
Subject Classification04. Solid Earth::04.03. Geodesy::04.03.07. Satellite geodesy 
04. Solid Earth::04.03. Geodesy::04.03.09. Instruments and techniques 
04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring 
AbstractGround 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.
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