Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/6443
DC Field | Value | Language |
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dc.contributor.authorall | Vilardo, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Nappi, R.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Palma, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Ventura, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.date.accessioned | 2010-12-22T07:26:23Z | en |
dc.date.available | 2010-12-22T07:26:23Z | en |
dc.date.issued | 2003-01 | en |
dc.identifier.uri | http://hdl.handle.net/2122/6443 | en |
dc.description.abstract | In this study, we analyze the recent (1990–1997) seismicity that affected the northern sector (Sannio–Benevento area) of the Southern Apennines chain. We applied the Best Estimate Method (BEM), which collapses hypocentral clouds, to the events of low energy (Md max = 4.1) seismic sequences in order to constrain the location and geometry of the seismogenetic structures. The results indicate that earthquakes aligned along three main structures: two sub-parallel structures striking NW–SE (1990– 1992, Benevento sequence) and one structure striking NE–SW (1997, Sannio sequence). The southernmost NW–SE structure, which dips towards NE, overlies the fault that is likely to be responsible for a larger historical earthquake (Io max = XI MCS, 1688 earthquake). The northernmost NW–SE striking structure dips towards SW. The NE–SW striking structure is sub-vertical and it is located at the northern tip of the fault segment supposed to be responsible for the 1688 earthquake. The spatio-temporal evolution of the 1990–1997 seismicity indicates a progressive migration from SE (Benevento) to NW (Sannio) associated to a deepening of hypocenters (i.e., from about 5 to 12 km). Hypocenters cluster at the interface between the major structural discontinuities (e.g., pre-existing thrust surfaces) or within higher rigidity layers (e.g., the Apulia carbonates). Available focal mechanisms from earthquakes occurred on the recognized NW–SE and NE–SW faults are consistent with dip-slip normal solutions. This evidences the occurrence of coexisting NW–SE and NE–SW extensions in Southern Apennines. D 2003 Elsevier Science B.V. All rights reserved. | en |
dc.language.iso | English | en |
dc.relation.ispartof | Tectonophysics | en |
dc.relation.ispartofseries | 3-4/363 (2003) | en |
dc.subject | Seismicity; Fault geometry; Tectonics; Southern Apennines; Geodynamics | en |
dc.title | Fault geometries from the space distribution of the 1990–1997 Sannio-Benevento earthquakes: Inferences on the active deformation in Southern Apennines | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 259-271 | en |
dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous | en |
dc.identifier.doi | 10.1016/S0040-1951(03)00042-8 | en |
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Journal of Seismology 5 (3), 287–306. Valensise, G., Pantosti, D. (Eds.), 2001b. Database of Potential Sources for Earthquakes Larger than M 5.5 in Italy. Annali di Geofisica, Suppl., vol. 44 (4). 180 pp., with CD-ROM. Vilardo, G., Terranova, C., Bronzino, G., Giordano, S., Ventura, G., Alessio, G., Gabriele, M., Mainolfi, R., Pagliuca, E., Veneruso, M., 2001. SISCam: Sistema Informativo Sismotettonico della Regione Campania. URL: http://ipf.ov.ingv.it/siscam/. Westaway, R., 1993. Quaternary uplift of Southern Italy. Journal of Geophysical Research 98 (B12), 21741– 21772. | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | reserved | en |
dc.contributor.author | Vilardo, G. | en |
dc.contributor.author | Nappi, R. | en |
dc.contributor.author | Palma, P. | en |
dc.contributor.author | Ventura, G. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | - |
crisitem.author.orcid | 0000-0001-7240-4467 | - |
crisitem.author.orcid | 0000-0002-1552-4398 | - |
crisitem.author.orcid | 0000-0001-9388-9985 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
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