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Geodetic constraints on the tectonic evolution of the Aegean region and strain accumulation along the Hellenic subduction zone

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dc.contributor.author Reilinger, R en
dc.contributor.author McClusky, S en
dc.contributor.author Paradissis, D en
dc.contributor.author Ergintav, S en
dc.contributor.author Vernant, P en
dc.date.accessioned 2014-03-01T01:33:34Z
dc.date.available 2014-03-01T01:33:34Z
dc.date.issued 2010 en
dc.identifier.issn 0040-1951 en
dc.identifier.uri http://hdl.handle.net/123456789/20465
dc.subject Aegean neotectonics en
dc.subject Earthquake hazards en
dc.subject Geodynamics en
dc.subject Global Positioning System en
dc.subject.classification Geochemistry & Geophysics en
dc.subject.other Aegean sea en
dc.subject.other Crustal thinning en
dc.subject.other Differential velocity en
dc.subject.other Earthquake hazard en
dc.subject.other Earthquake hazards en
dc.subject.other Fault system en
dc.subject.other Fault-slip rates en
dc.subject.other Geodetic constraints en
dc.subject.other Hellenic subduction zone en
dc.subject.other Internal deformation en
dc.subject.other Late Miocene en
dc.subject.other Low level en
dc.subject.other Marmara Sea en
dc.subject.other Mediterranean region en
dc.subject.other Neotectonics en
dc.subject.other North Anatolian Fault en
dc.subject.other Plate interfaces en
dc.subject.other Plate motions en
dc.subject.other Strain accumulations en
dc.subject.other Subduction zones en
dc.subject.other Tectonic evolution en
dc.subject.other Transform fault en
dc.subject.other Earthquakes en
dc.subject.other Geodetic satellites en
dc.subject.other Geodynamics en
dc.subject.other Global positioning system en
dc.subject.other Plates (structural components) en
dc.subject.other Tectonics en
dc.subject.other Uncertainty analysis en
dc.subject.other Wavelet transforms en
dc.subject.other Strain rate en
dc.subject.other crustal thinning en
dc.subject.other extensional tectonics en
dc.subject.other fault slip en
dc.subject.other geodesy en
dc.subject.other geodynamics en
dc.subject.other GPS en
dc.subject.other neotectonics en
dc.subject.other North Anatolian Fault en
dc.subject.other plate motion en
dc.subject.other strain rate en
dc.subject.other subduction zone en
dc.subject.other tectonic evolution en
dc.subject.other Aegean Sea en
dc.subject.other Gulf of Corinth en
dc.subject.other Ionian Sea en
dc.subject.other Mediterranean Sea en
dc.subject.other Sea of Marmara en
dc.subject.other Turkey en
dc.title Geodetic constraints on the tectonic evolution of the Aegean region and strain accumulation along the Hellenic subduction zone en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.tecto.2009.05.027 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.tecto.2009.05.027 en
heal.language English en
heal.publicationDate 2010 en
heal.abstract We present evidence that GPS velocity estimates of plate motions and fault slip rates agree to within uncertainties with geologic estimates during the most recent phase of the geologic evolution of the E Mediterranean region (post-Late Miocene). On this basis, we use the GPS differential velocities to estimate the timing of initiation of the principal structures in NW Turkey, the N Aegean Sea, and central Greece, including, the Marmara Sea, the Gulfs of Evia (GoE) and Corinth (GoC). and the Kephalonia Transform fault (KTF). We interpret these ages to indicate that the North Anatolian fault propagated across the N Aegean, opening the GoE and GoC and initiating the KTF, during the past 1-4 Ma. We further suggest that Aegean extension that was earlier more distributed across the Aegean Basin became focused on this new fault system allowing the southern Aegean and Peloponnisos to translate SW with little internal deformation, as observed today with GPS. This change in tectonic configuration may account for the clear geologic evidence for crustal thinning throughout the S Aegean in apparent contradiction with low present-day strain rates. We further show that the low present-day strain rate along the southern edge of the Aegean micro-plate requires substantial aseismic slip along the plate interface below Crete, consistent with the low level of historic, subduction-type earthquakes along this segment of the subduction zone. (C) 2009 Elsevier B.V. All rights reserved. en
heal.publisher ELSEVIER SCIENCE BV en
heal.journalName Tectonophysics en
dc.identifier.doi 10.1016/j.tecto.2009.05.027 en
dc.identifier.isi ISI:000279624200003 en
dc.identifier.volume 488 en
dc.identifier.issue 1-4 en
dc.identifier.spage 22 en
dc.identifier.epage 30 en


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