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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/6570
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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.authorallDel Negro, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallBoschi, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italiaen
dc.date.accessioned2011-01-12T12:15:48Zen
dc.date.available2011-01-12T12:15:48Zen
dc.date.issued2010-03-12en
dc.identifier.urihttp://hdl.handle.net/2122/6570en
dc.description.abstractWe studied the stress effects of the topography load on dike propagation by considering the results from analogue experiments; in addition, we refined the results by applying numerical simulations using the finite element method (FEM) in order to also consider the medium rheology and real topography. We investigated the dike deflection observed during the final dike emplacement accompanying Etna’s 2001 eruption. We cross-related the information on the position of the dike from ground deformation modelling with the numerical simulation results with the aim of estimating the final excess pressure of the dike when it started to deflect, which proved to be about 4-8 MPa. Assuming that the pressure decreases linearly with the volume of magma moving from the chamber into the dike, we estimated 7-15 MPa as the initial overpressure accumulated at the intermediate magma chamber before its breakout. Although the previous modelling overestimated the stress, the approach presented here leads to infer a compatible stress with the strength of the rocks.en
dc.language.isoEnglishen
dc.publisher.nameElsevieren
dc.relation.ispartofEarth Planetary Science Lettersen
dc.relation.ispartofseries/293(2010)en
dc.subjectEtnaen
dc.subjectdike mechanismsen
dc.titleDike deflection modelling for inferring magma pressure and withdrawal, with application to Etna 2001 caseen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber121-129en
dc.subject.INGV05. General::05.02. Data dissemination::05.02.03. Volcanic eruptionsen
dc.identifier.doi10.1016/j.epsl.2010.02.030en
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dc.description.obiettivoSpecifico3.6. Fisica del vulcanismoen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorBonaccorso, A.en
dc.contributor.authorCurrenti, G.en
dc.contributor.authorDel Negro, C.en
dc.contributor.authorBoschi, E.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.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, 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 Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.orcid0000-0002-4770-6006-
crisitem.author.orcid0000-0001-8650-5613-
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.classification.parent05. General-
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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