Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/7876| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Ciaccio, M. G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
| dc.contributor.authorall | Barchi, M. R.; Università di Perugia | en |
| dc.contributor.authorall | Chiarabba, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia | en |
| dc.contributor.authorall | Mirabella, F.; Università di Perugia | en |
| dc.contributor.authorall | Stucchi, E.; Università di Milano | en |
| dc.date.accessioned | 2012-03-15T08:08:52Z | en |
| dc.date.available | 2012-03-15T08:08:52Z | en |
| dc.date.issued | 2005 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/7876 | en |
| dc.description.abstract | The April 3, 1998 Mw=5.1 Gualdo Tadino earthquake (central Italy) was the last significant event in the 6-month-long Umbria–Marche seismic crisis. This event and its aftershocks occurred in an area where active faulting produces no striking geological and geomorphological effects. In this study, we investigated the ruptured fault using detailed seismological data and a re-processed and re-interpreted seismic reflection profile. Aftershock location and focal mechanisms were used to constrain the geometry and kinematics of the ruptured fault and a comparison was made with the subsurface image provided by the seismic profile. We found that the 1998 Gualdo Tadino earthquake occurred on a WSW-dipping, normal fault, with a length of about 8 km and a relatively gentle dip (308–408), confined between 3.5 and 7 km in depth. Kinematics of the mainshock and aftershocks revealed a NE-trending extension, in agreement with the regional stress field active in the Northern Apennines belt. The Mw = 5.1 earthquake originated above the top of the basement and ruptured within the sedimentary cover, which consists of an evaporites–carbonates multilayer. We hypothesised that the active fault does not reach the surface (blind normal fault). D 2005 Elsevier B.V. All rights reserved. | en |
| dc.language.iso | English | en |
| dc.publisher.name | Elsevier Science Limited | en |
| dc.relation.ispartof | Tectonophysics | en |
| dc.relation.ispartofseries | /406 (2005) | en |
| dc.subject | Aftershocks; Seismicity; Blind normal fault; Seismic reflection profile; Focal mechanisms; Umbria–Marche Apennines | en |
| dc.title | Seismological, geological and geophysical constraints for the Gualdo Tadino fault, Umbria–Marche Apennines (central Italy) | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 233-247 | en |
| dc.subject.INGV | 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics | en |
| dc.identifier.doi | 10.1016/j.tecto.2005.05.027 | en |
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Ital. 73, 309–320. Scherbaum, F., 1997. Zero phase FIR filters in digital seismic acquisition systems: blessing or Curse? EOS 78 (33), 343 – 344. Stucchi, E., Mirabella, F., Barchi, M.R., Zanzi, L., Mazzotti, M., Merlini, S., 2002. Charactarisation of seismogenic faults by means of reflection seismic surveys. A case study in the Col- fiorito area: 1997 Umbria–Marche earthquakes. EAGE 64th Conference and exhibition Florence, Italy 27–30 May 2002. extended abstract. Wessel, P., Smith, W.H.F., 1995. New version of the generic map- ping tools released. EOS Trans. AGU 76, 329. Working Group CPTI, 1999. Catalogo Parametrico dei Terremoti Italiani, ING, GNDT, SGA, SSN (eds.), Bologns. 88 pp. Yilmaz, O., 1987. Seismic data processing. Soc. Explor. Geophys., 526. Zanzi, L., Stucchi, E., Mazzotti, A., 1997. Design of crustal acquisi- tions — Vibroseis versus explosive and expanding spread experi- ments. 59th Mtg.: Eur. Assn. Geosci. Eng., Session, p. 101. | en |
| dc.description.obiettivoSpecifico | 3.2. Tettonica attiva | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | reserved | en |
| dc.relation.issn | 0040-1951 | en |
| dc.relation.eissn | 1879-3266 | en |
| dc.contributor.author | Ciaccio, M. G. | en |
| dc.contributor.author | Barchi, M. R. | en |
| dc.contributor.author | Chiarabba, C. | en |
| dc.contributor.author | Mirabella, F. | en |
| dc.contributor.author | Stucchi, E. | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
| dc.contributor.department | Università di Perugia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia | en |
| dc.contributor.department | Università di Perugia | en |
| dc.contributor.department | Università di Milano | en |
| item.openairetype | article | - |
| item.cerifentitytype | Publications | - |
| item.languageiso639-1 | en | - |
| item.grantfulltext | reserved | - |
| 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 Roma1, Roma, Italia | - |
| crisitem.author.dept | Università degli studi di Perugia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia | - |
| crisitem.author.dept | Università degli Studi di Perugia | - |
| crisitem.author.dept | Dipartimento Scienze della Terra, Università di Milano, Milano, Italy | - |
| crisitem.author.orcid | 0000-0002-5719-9909 | - |
| crisitem.author.orcid | 0000-0003-0431-4341 | - |
| crisitem.author.orcid | 0000-0002-8111-3466 | - |
| 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 | - |
| Appears in Collections: | Article published / in press | |
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