Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4304
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dc.contributor.authorallBurrato, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.contributor.authorallValensise, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.date.accessioned2008-11-25T15:59:03Zen
dc.date.available2008-11-25T15:59:03Zen
dc.date.issued2008-02en
dc.identifier.urihttp://hdl.handle.net/2122/4304en
dc.description.abstractOn 16 December 1857, a strong earthquake (M ∼7) struck a large portion of the southern Apennines about 150 km southeast of Naples. The earthquake was thoroughly investigated by Irish engineer Robert Mallet, who wrote an extensive report that is still regarded as a landmark in observational seismology. Because of the concentration of damage in the High Agri valley, and contrary to Mallet’s own findings, for many years the earthquake was referred to as the “Val d’Agri earthquake” and was believed by most investigators to have ruptured the 20–25-km normal fault lying beneath this intermontane basin. The magnitude of the earthquake, however, and evidence for earthquake complexity suggest that the true rupture length has been so far underestimated. We contend that the 1857 earthquake ruptured in a cascade fashion two adjacent and relatively well-known faults: first the smaller Melandro–Pergola fault, commonly believed to represent a seismic gap between the causative faults of the 1857 and of the 1980 Irpinia (Mw 6:9) earthquakes; and then the larger Agri valley fault proper. Contemporary chronicles reported a time lapse of 2–3 min between the two ruptures, thus effectively making them two independent shocks. The rupture must have proceeded unilaterally from the northwestern edge of the Melandro–Pergola fault, where Mallet placed the earthquake epicenter, thus explaining the concentration of damage—and attention by rescue crews and subsequent investigators—in the southeastern portion of the High Agri valley.en
dc.description.sponsorshipThis work was funded by the project Assessing the Seismogenic Potential and the Probability of Strong Earthquakes in Italy, funded by the Italian Civil Defense Department within the 2004–2006 agreement with the Istituto Nazionale di Geofisica e Vulcanologia grant to P. Burrato.en
dc.language.isoEnglishen
dc.publisher.nameSeismological Society of Americaen
dc.relation.ispartofBulletin of the Seismological Society of Americaen
dc.relation.ispartofseries1/98 (2008)en
dc.relation.isversionofhttp://hdl.handle.net/2122/3262en
dc.subject1857 Basilicata earthquakeen
dc.subjectsouthern Italyen
dc.subjectVal d'Agrien
dc.subjectseismic gapen
dc.titleRise and fall of a hypothesized seismic gap: source complexity in the 16 December 1857, Southern Italy earthquake (Mw 7.0) .en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber139-148en
dc.identifier.URLhttp://www.seismosoc.org/publications/bssa/en
dc.subject.INGV04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismologyen
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.05. Historical seismologyen
dc.identifier.doi10.1785/0120070094en
dc.description.obiettivoSpecifico3.2. Tettonica attivaen
dc.description.journalTypeJCR Journalen
dc.description.fulltextpartially_openen
dc.contributor.authorBurrato, P.en
dc.contributor.authorValensise, G.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, 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 Roma1, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia-
crisitem.author.orcid0000-0001-6588-7560-
crisitem.author.orcid0000-0001-7631-1903-
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.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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