Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4692
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dc.contributor.authorallScafidi, D.; Dipteris Università di Genovaen
dc.contributor.authorallSolarino, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italiaen
dc.contributor.authorallEva, C.; Dipteris Università di Genovaen
dc.date.accessioned2008-12-12T15:00:32Zen
dc.date.available2008-12-12T15:00:32Zen
dc.date.issued2009-
dc.identifier.urihttp://hdl.handle.net/2122/4692en
dc.description.abstractWe investigate the P wave velocity structure and the Vp/Vs ratio beneath the Italian peninsula down to 100 and 60 km depth respectively by seismic travel time tomography. We invert data provided by the International Seismological Centre (ISC) (1997–2005), making use of some alternative strategies for the travel time approach in a well constrained and worldwide adopted code (SIMULPS). Resolution for the different layers is discussed and sensitivity analyses are performed through test inversions to explore the resolution characteristics of the model at different spatial scales. The resulting tomographic images provide a detailed sketch of the P wave anomalies, clearly showing, among the other features, the shape of the Ivrea body in the Western Alps, the upwelling of the oceanic crust in the Ligurian Sea and the slab under the Calabrian arc. They are less informative for the Vp/Vs ratio. Nevertheless, some features are very interesting and deserve further investigation like the anomalous decrease of the Vp/Vs ratio under the Ligurian Sea or the variations of the Vp/Vs ratio calculated in the first 10 km depth of the Apenninic region with respect to the lower values of the Alpine region at the same depth. The tomographic cross sections reveal a continuous superposition of two kinds of crusts (transitional over Adriatic) all along the peninsula but do not show any slab, intended as a clear, vertical downgoing high velocity material in either the northern or central Apennines.en
dc.language.isoEnglishen_US
dc.publisher.nameElsevieren_US
dc.relation.ispartofTectonophysicsen_US
dc.relation.ispartofseries1-4/465 (2009)en_US
dc.subjectSeismic tomographyen
dc.subjectLithospheric structureen
dc.subjectVp/Vs ratioen
dc.titleP wave seismic velocity and Vp/Vs ratio beneath the Italian peninsula from local earthquake tomographyen_US
dc.typearticleen
dc.description.statusPublisheden_US
dc.type.QualityControlPeer-revieweden_US
dc.description.pagenumber1-23en_US
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropyen
dc.identifier.doi10.1016/j.tecto.2008.07.013en
dc.description.obiettivoSpecifico4T. Sismicità dell'Italiaen_US
dc.description.journalTypeJCR Journalen_US
dc.description.fulltextreserveden
dc.contributor.authorScafidi, D.-
dc.contributor.authorSolarino, S.-
dc.contributor.authorEva, C.-
dc.contributor.departmentDipteris Università di Genovaen_US
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italiaen_US
dc.contributor.departmentDipteris Università di Genovaen_US
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptDipTeRis Dipartimento per lo studio del territorio e delle sue risorse, Università di Genova-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia-
crisitem.author.deptDipTeRis Dipartimento per lo studio del territorio e delle sue risorse, Università di Genova-
crisitem.author.orcid0000-0002-9577-1347-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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