Crustal deformation and kinematics of the Eastern Part of the North Anatolian Fault Zone (Turkey) from GPS measurements

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dc.authoridCakir, Ziyadin/0000-0003-3050-5619
dc.authoridPoyraz, Fatih/0000-0001-9471-7261
dc.authoridTurk, Tarik/0000-0002-2671-7590
dc.authoridYavasoglu, Hasan Hakan/0000-0002-3139-4327
dc.authoridergintav, semih/0000-0001-7080-183X
dc.authoridCakmak, Rahsan/0009-0007-8218-2491
dc.authoridZAFER, AKPINAR/0000-0002-5890-6900
dc.contributor.authorTatar, Orhan
dc.contributor.authorPoyraz, Fatih
dc.contributor.authorGursoy, Halil
dc.contributor.authorCakir, Ziyadin
dc.contributor.authorErgintav, Semih
dc.contributor.authorAkpinar, Zafer
dc.contributor.authorKocbulut, Fikret
dc.date.accessioned2025-01-27T20:58:21Z
dc.date.available2025-01-27T20:58:21Z
dc.date.issued2012
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe North Anatolian Fault Zone (NAFZ) is a 1200 km long dextral strike-slip fault zone forming the boundary between the Eurasian and Anatolian plates. It extends from the Gulf of Saros (North Aegean) in the west to the town of Karliova in eastern Turkey. Although there have been numerous geodetic studies concerning the crustal deformation, velocity field and the slip rate of the NAFZ along its western and central segments, geodetic observations along the eastern section of the NAFZ are sparse. In order to investigate the GPS velocities and the slip rate along the eastern part of the NAFZ, a dense GPS network consisting of 36 benchmarks was installed between Tokat and Erzincan on both sides of the fault zone and measured from 2006 to 2008. Measurement results indicate that the slip rate of the NAFZ increases westwards within about 400 km from 16.3 +/- 2.3 mm/year to 24.0 +/- 2.9 mm/year, in consistence with the observation that the Anatolian block is being pulled by the Hellenic trench rather than being pushed by the Arabian plate as a result of continental collision between the Arabian and Eurasian plates in eastern Turkey since late Miocene. Modelling the GPS velocities shows that fault locking depth increases also in the same direction from 8.1 +/- 3.3 km to 12.8 +/- 3.9 km. Slip rate decreases as moving off the Hellenic trench. An average slip rate of 20.1 +/- 2.4 mm/year and a locking depth of 12.5 +/- 3.5 km are also estimated for the entire study area by using all of the GPS measurements obtained in this study. The GPS velocities are in good agreement with the kinematic models created by paleomagnetic studies in the region and complete the overall picture. (C) 2011 Elsevier B.V. All rights reserved.
dc.description.sponsorshipState Planning Organization (DPT); [DPT 2006 120220 K]
dc.description.sponsorshipThis study was carried out as part of a multidisciplinary Project (DPT 2006 120220 K) along the eastern part of the NAFZ. The Grant provided by the State Planning Organization (DPT) is greatly acknowledged. The maps in this paper were generated using the public domain Generic Mapping Tools (GMT) software (Wessel and Smith, 2001).
dc.identifier.doi10.1016/j.tecto.2011.11.010
dc.identifier.endpage62
dc.identifier.issn0040-1951
dc.identifier.issn1879-3266
dc.identifier.startpage55
dc.identifier.urihttps://doi.org/10.1016/j.tecto.2011.11.010
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26683
dc.identifier.volume518
dc.identifier.wosWOS:000300748900005
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofTectonophysics
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectNorth Anatolian Fault Zone
dc.subjectCrustal deformation
dc.subjectGPS velocities
dc.subjectSlip rate
dc.subjectEastern Turkey
dc.titleCrustal deformation and kinematics of the Eastern Part of the North Anatolian Fault Zone (Turkey) from GPS measurements
dc.typeArticle

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