Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3324
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dc.contributor.authorallEva, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italiaen
dc.contributor.authorallFerretti, G.; Dipteris Università di Genovaen
dc.contributor.authorallSolarino, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italiaen
dc.date.accessioned2007-12-14T12:14:10Zen
dc.date.available2007-12-14T12:14:10Zen
dc.date.issued2005en
dc.identifier.urihttp://hdl.handle.net/2122/3324en
dc.description.abstractPrevious studies of the stress regime in the northern Apennines report compression in the outer sector and extension in the inner sector. In this study we focus on the relationships between the two regimes and, by making use of 54 focal mechanism solutions, we try to shed some more light on a tectonic setting that appears more complex than the previous models. The focal mechanisms, computed using the first onset technique, are inverted for stress parameters. The method applied requires subdividing the volume to be investigated into homogeneous sectors: to comply with the complexity of the area under study, we included depth as a parameter for sub-zoning. Our results show that the shallow regime (0–10 km of depth) is transtensive even in the sector previously reported to be compressive. In fact, at a shallow depth, very few thrust focal solutions lie in a spatially limited sector in the eastern part of the area under study. Just below 10 km in depth, the stress regime converts to transpressional: stress axes are approximately inverted. Deeper than 45 km, thrust solutions are found. They are not numerous enough to perform an inversion but indicate the existence of a compressional regime at depth. It is worth noting that a gap of seismicity is observed in the layer 30–45 km.en
dc.language.isoEnglishen
dc.relation.ispartofJournal of Seismologyen
dc.relation.ispartofseries/9 (2005)en
dc.subjectFault plane solutionsen
dc.subjectstress distributionen
dc.subjectseismicityen
dc.subjectseismotectonicsen
dc.titleSuperposition of different stress orientations in the western sector of the Northern Apenninesen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber413-430en
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamicsen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoringen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysisen
dc.subject.INGV04. Solid Earth::04.07. Tectonophysics::04.07.05. Stressen
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dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorEva, E.en
dc.contributor.authorFerretti, G.en
dc.contributor.authorSolarino, S.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italiaen
dc.contributor.departmentDipteris Università di Genovaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, 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 ONT, Roma, Italia-
crisitem.author.deptUniversità di Genova - Genova - Italy-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia-
crisitem.author.orcid0000-0001-6054-1325-
crisitem.author.orcid0000-0002-9577-1347-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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