Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/9024
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dc.contributor.authorallBonaccorso, A.; 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.authorallLinde, A.; Department Terrestrial Magnetism - Carnegie Institution, Washingtonen
dc.contributor.authorallSacks, S.; Department Terrestrial Magnetism - Carnegie Institution, Washingtonen
dc.date.accessioned2014-06-13T12:11:10Zen
dc.date.available2014-06-13T12:11:10Zen
dc.date.issued2013en
dc.identifier.urihttp://hdl.handle.net/2122/9024en
dc.description.abstractIn January 2011 eruptive activity resumed at Etna producing a new phase with frequent lava fountain episodes until April 2012. In November 2011, the first two borehole strainmeters were installed, which detected negative strain changes (~ 0.15 - 0.8 strain) during the paroxysmal events. A Finite Element Model was set up to estimate accurately the tilt and volumetric strain, taking into account the real profile of the volcano and the elastic medium heterogeneity. The numerical computations indicated an elongated depressurizing source located at 0 km b.s.l., which underwent a volume change of ~2 x 106 m3 which is the most of the magma volume erupted while a smaller remaining part is accommodated by the magma compressibility. This shallow source cannot accumulate large magma volumes and, thus, favours short term periodic eruptive events with a fairly constant balance between the refilling and the erupted magma.en
dc.language.isoEnglishen
dc.publisher.nameAmerican Geophysical Unionen
dc.relation.ispartofGeophysical Research Lettersen
dc.relation.ispartofseries/40 (2013)en
dc.subjectEtna volcanoen
dc.subjectlava fountain eruptionsen
dc.subjectshallow plumbing systemen
dc.subjectborehole strainmetersen
dc.titleNew data from borehole strainmeters to infer lava fountain sources (Etna 2011-2012)en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber3579-3584en
dc.subject.INGV05. General::05.02. Data dissemination::05.02.03. Volcanic eruptionsen
dc.identifier.doi10.1002/grl.50692en
dc.description.obiettivoSpecifico2V. Dinamiche di unrest e scenari pre-eruttivien
dc.description.journalTypeJCR Journalen
dc.description.fulltextembargoed_20150613en
dc.relation.issn0094-8276en
dc.relation.eissn1944-8007en
dc.contributor.authorBonaccorso, A.en
dc.contributor.authorCurrenti, G.en
dc.contributor.authorLinde, A.en
dc.contributor.authorSacks, S.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
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
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.orcid0000-0002-4770-6006-
crisitem.author.orcid0000-0001-8650-5613-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent05. General-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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