Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/8493
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dc.contributor.authorallGreco, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallCurrenti, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallD'Agostino, G.; INRiM-Torino, Italyen
dc.contributor.authorallGermak, A.; INRiM-Torino, Italyen
dc.contributor.authorallNapoli, R.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallPistorio, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallDel Negro, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.date.accessioned2013-01-23T13:18:45Zen
dc.date.available2013-01-23T13:18:45Zen
dc.date.issued2012-06-16en
dc.identifier.urihttp://hdl.handle.net/2122/8493en
dc.description.abstractTo achieve a balance between uncertainty and efficiency in gravity measurements, we have investigated the applicability of combined measurements of absolute and relative gravity as a hybrid method for volcano monitoring. Between 2007 and 2009, three hybrid gravity surveys were conducted at Mt Etna volcano, in June 2007, July 2008, and July 2009. Absolute gravity data were collected with two absolute gravimeters, which represent the state of the art in recent advances in ballistic gravimeter technology: (1) the commercial instrument FG5#238 and (2) the prototype instrument IMGC-02. We carried out several field surveys and confirmed that both the absolute gravimeters can still achieve a 10 μGal or better uncertainty even when they are operated in severe environmental conditions. The use of absolute gravimeters in a field survey of the summit area of Mt Etna is unprecedented. The annual changes of the gravity measured over 2007–2008 and 2008–2009 provide unequivocal evidence that during the 2007–2009 period, two main phenomena of subsurface mass redistribution occurred in distinct sectors of the volcano, accompanying different eruptive episodes. From 2007 to 2008, a gravity change of −60 μGal was concentrated around the North- East Rift. This coincided with a zone affected by strong extensional tectonics, and hence might have been related to the opening of new voids. Between 2008 and 2009, a North-South elongate feature with a maximum gravity change of +80 μGal was identified in the summit craters area. This is interpreted to indicate recharge of a deepintermediate magma storage zone, which could have occurred when the 2008–2009 eruption was still ongoing.en
dc.language.isoEnglishen
dc.publisher.nameSpringer Berlin Heidelbergen
dc.relation.ispartofBulletin of volcanologyen
dc.relation.ispartofseries7/74(2012)en
dc.subjectMt Etna . Relative gravity . Absolute gravity .en
dc.titleCombining relative and absolute gravity measurements to enhance volcano monitoringen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber1745-1756en
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoringen
dc.identifier.doi10.1007/s00445-012-0630-0en
dc.description.obiettivoSpecifico2.6. TTC - Laboratorio di gravimetria, magnetismo ed elettromagnetismo in aree attiveen
dc.description.journalTypeJCR Journalen
dc.description.fulltextrestricteden
dc.relation.issn0258-8900en
dc.relation.eissn1432-0819en
dc.contributor.authorGreco, F.en
dc.contributor.authorCurrenti, G.en
dc.contributor.authorD'Agostino, G.en
dc.contributor.authorGermak, A.en
dc.contributor.authorNapoli, R.en
dc.contributor.authorPistorio, A.en
dc.contributor.authorDel Negro, C.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentINRiM-Torino, Italyen
dc.contributor.departmentINRiM-Torino, Italyen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.deptIstituto Nazionale di Ricerca Metrologica, INRiM, Torino, Italy,-
crisitem.author.deptIstituto Nazionale di Ricerca Metrologica, INRiM, Torino, Italy,-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.orcid0000-0002-0265-5073-
crisitem.author.orcid0000-0001-8650-5613-
crisitem.author.orcid0000-0001-8304-3118-
crisitem.author.orcid0000-0001-5734-9025-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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