Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/7585
AuthorsGreco, Filippo* 
Currenti, Gilda* 
D'Agostino, Giancarlo* 
Del Negro, Ciro* 
Di Stefano, Agnese* 
Germak, Alessandro* 
Napoli, Rosalba* 
Origlia, Claudio* 
Pistorio, Antonio* 
Scandura, Danila* 
Sicali, Antonino* 
TitleABSOLUTE AND RELATIVE GRAVITY MEASUREMENTS AT ETNA VOLCANO (ITALY)
Issue Date22-Jun-2010
URIhttp://hdl.handle.net/2122/7585
Keywordsabsolute and relative gravity
Mt Etna volcano
Subject Classification04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous 
AbstractEmploying both absolute and relative gravimeters, we carried out three hybrid microgravity surveys at Etna volcano between 2007 and 2009. The repeated measurements highlighted the spatio-time evolution of the gravity field associated with the volcanic unrest. We detected a gravity increase attained an amplitude of about 80 µGal on the summit area of the volcano between July 2008 and July 2009. The observed gravity increase could reflect mass accumulations into shallow magma storage system of the volcano located at 1÷2 km below sea level. We present here data and the advantages in using the combined approach of relative and absolute measurements performed at Etna volcano.
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