Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/8606
DC Field | Value | Language |
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dc.contributor.authorall | Gasperini, L.; Istituto di Scienze Marine, Sezione di Geologia Marina, CNR, Bologna, Italy | en |
dc.contributor.authorall | Polonia, A.; Istituto di Scienze Marine, Sezione di Geologia Marina, CNR, Bologna, Italy | en |
dc.contributor.authorall | Del Bianco, F.; Istituto di Scienze Marine, Sezione di Geologia Marina, CNR, Bologna, Italy | en |
dc.contributor.authorall | Favali, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.authorall | Marinaro, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.authorall | Etiope, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.date.accessioned | 2013-04-08T11:46:54Z | en |
dc.date.available | 2013-04-08T11:46:54Z | en |
dc.date.issued | 2012-12 | en |
dc.identifier.uri | http://hdl.handle.net/2122/8606 | en |
dc.description.abstract | After the 1999 Ìzmit earthquake (Mw7.4), along the North-Anatolian Fault (NAF), an increase in gas emissions from the seafloor of the Sea of Marmara was observed. Using a multidisciplinary approach, that includes a combined analysis of high-resolution marine geophysical and gas-geochemical data, we determined the character of gas/fluid emissions and their spatial relationship with tectonic structures in the Darıca Basin (Gulf of Ìzmit), close to the western termination of the 1999 earthquake surface rupture. Data collected during several oceanographic expeditions allowed us to investigate the fine structure of active fault branches, as well as the geochemical signature of the cold seeps. We observed that gas emissions at the seafloor of the Darıca Basin are mostly constituted by biogenic CH4, and are aligned along strike-slip and transtensional fault segments. Although maximum CH4 concentrations were measured in correspondence of transtensional strands, we suggest that the biogenic CH4 emissions found along strike-slip segments, showing a relatively low gas background noise and a potential to increase during seismic events, are more suitable to study relationships between gas expulsion and the earthquake cycle. | en |
dc.language.iso | English | en |
dc.publisher.name | Istituto Nazionale di Oceanografia e di Geofisica Sperimentale-OGS | en |
dc.relation.ispartof | Bollettino di Geofisica Teorica ed Applicata | en |
dc.relation.ispartofseries | 4 / 53 (2012) | en |
dc.subject | cold seeps | en |
dc.subject | earthquake cycle | en |
dc.subject | Ìzmit earthquake | en |
dc.subject | Gulf of Ìzmit | en |
dc.subject | North Anatolian Fault (NAF) | en |
dc.subject | Sea of Marmara | en |
dc.subject | seafloor observatories | en |
dc.title | Cold seeps, active faults and the earthquake cycle along the North Anatolian Fault system in the Sea of Marmara (NW Turkey) | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 371-384 | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry | en |
dc.identifier.doi | 10.4330/bgta0082 | en |
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Zitter T.A.C., Henry P., Aloisi G., Delaygue G., Çag˘atay M.N., de Lepinay, B.M., Al Samir M., Fornacciari F., Tesmer M., Pekdeger A., Wallman K. and Lericolais G.; 2008: Cold seeps along the main Marmara fault in the Sea of Marmara (Turkey). Deep-Sea Res., 274, 34-39. | en |
dc.description.obiettivoSpecifico | 4.5. Studi sul degassamento naturale e sui gas petroliferi | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | restricted | en |
dc.relation.issn | 0006-6729 | en |
dc.contributor.author | Gasperini, L. | en |
dc.contributor.author | Polonia, A. | en |
dc.contributor.author | Del Bianco, F. | en |
dc.contributor.author | Favali, P. | en |
dc.contributor.author | Marinaro, G. | en |
dc.contributor.author | Etiope, G. | en |
dc.contributor.department | Istituto di Scienze Marine, Sezione di Geologia Marina, CNR, Bologna, Italy | en |
dc.contributor.department | Istituto di Scienze Marine, Sezione di Geologia Marina, CNR, Bologna, Italy | en |
dc.contributor.department | Istituto di Scienze Marine, Sezione di Geologia Marina, CNR, Bologna, Italy | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, 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 | ISMAR-CNR - Istituto di Scienze Marine-CNR, Bologna, Italy | - |
crisitem.author.dept | CNR - ISMAR | - |
crisitem.author.dept | CNR-Ismar Bologna | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
crisitem.author.orcid | 0000-0003-2133-4379 | - |
crisitem.author.orcid | 0000-0002-0810-0263 | - |
crisitem.author.orcid | 0000-0002-6779-279X | - |
crisitem.author.orcid | 0000-0001-8614-4221 | - |
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 | - |
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