Kinematic study at the junction of the East Anatolian fault and the Dead Sea fault from GPS measurements

Mahmoud, Yasser; Masson, Frédéric; Meghraoui, Mustapha; Çakır, Ziyadin; Alchalbi, A.; Yavaşoğlu, Hakan; Yönlü, Önder; Daoud, Mohamed Ahmed; Ergintav, Semih; İnan, Sedat

doi:10.1016/j.jog.2012.05.006

Cited by 92 publications

(47 citation statements)

References 31 publications

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“…This zone of en echelon oblique normal faults has been named the Narlı Fault Zone by Emre et al (2012b) and Duman and Emre (2013); part of it slipped in the magnitude ~5 Çöçelli earthquake of 14 November 2012, which involved components of left-lateral and normal slip if the WNW-dipping nodal plane of the focal mechanism was the fault plane (MTA, 2012). However, there is no evidence of any component of active faulting that continues WSW from Türkoğlu, transecting the Amanos Mountains; no major active fault should therefore be assumed in this location, as (for example) features in the recent Mahmoud et al (2013) analysis.…”

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confidence: 97%

“…Duman and Emre (2013) estimated that as a rough 'rule of thumb' the field evidence for Late Pleistocene and Holocene faulting indicates maybe half as much slip on the SMFZ in comparison with the KVFZ, so a reasonable starting point for the present analysis is that left-lateral slip of ~3-4 mm a -1 passes onto the MKFZ and of ~6-7 mm a -1 is accommodated by the KVFZ. However, calculations using equation (1) indicate that the DSFZ accommodates left-lateral slip at only ~2-3 mm a -1 in the Misyaf area and across the Ghab Basin in NW Syria Mahmoud et al, 2013), suggesting that a significant component of the relative motion passes southwestward from the KVFZ onto a zone of active faulting along the lower valley of the River Orontes (Asi), downstream of Antakya in the extreme south of Turkey. Active faulting, combining components of left-lateral slip and extension (i.e., left-lateral transtension) has indeed been recognised onshore along the lower Orontes valley (e.g., Boulton and Robertson, 2008;Boulton and Whittaker, 2009;Tüysüz et al, 2013;Figs 2, 3) although this interpretation has been disputed (Karabacak et al, 2010;Karabacak and Altunel, 2013).…”

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The kinematics of central-southern Turkey and northwest Syria revisited

et al. 2014

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Central-southern Turkey, NW Syria, and adjacent offshore areas in the NE Mediterranean region form the boundary zone between the Turkish, African and Arabian plates. A great deal of new information has emerged in recent years regarding senses and rates of active crustal deformation in this region, but this material has not hitherto been well integrated, so the interpretations of key localities by different teams remain contradictory. We have reviewed and synthesized this evidence, combining it with new investigations targeted at key areas of uncertainty. This work has led to the inference of previously unrecognized active faults and has clarified the roles of other structures within the framework of plate motions provided by GPS studies. Roughly one third of the relative motion between the Turkish and Arabian plates is accommodated on the Misis-Kyrenia Fault Zone, which links to the study region from the Kyrenia mountain range of northern Cyprus. Much of this motion passes NNE then eastward around the northern limit of the Amanos Mountains, as previously thought, but some of it splays northeastward to link into newly-recognised normal faulting within the Amanos Mountains. The remaining two thirds of the relative motion is accommodated along the Karasu Valley; some of this component steps leftward across the Amik Basin before passing southward onto the northern Dead Sea Fault Zone (DSFZ) but much of it continues southwestward, past the city of Antakya, then into offshore structures, ultimately linking Central-southern Turkey and northwest Syria; Page 2; 30/12/2013 to the subduction zone bounding the Turkish and African plates to the southwest of Cyprus.However, some of this offshore motion continues southward, west of the Syrian coast, before linking onshore into the southern DSFZ; this component of the relative motion is indeed the main reason why the slip rate on the northern DSFZ, measured geodetically, is so much lower than that on its southern counterpart. In some parts of this region, notably in the Karasu Valley, it is now clear how the expected relative plate motion has been accommodated on active faults during much of the Quaternary: rather than constant slip rates on individual faults, quite complex changes in the partitioning of this motion on timescales of hundreds of thousands of years are indicated. However, in other parts of the region it remains unclear whether additional major active faults remain unrecognised or whether significant relative motions are accommodated by distributed deformation or on the many smaller-scale structures present. Highlights

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The kinematics of central-southern Turkey and northwest Syria revisited

et al. 2014

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“…Studies based on the geologic and geomorphic data along the EAF provide slip rates of between 6 and 11 mm/year (Arpat and Şaroğlu, 1975;Kiratzi, 1993;Westaway, 1994;Yürür and Chorowicz, 1998;Çetin et al, 2003;Aksoy et al, 2007;Herece, 2008;Emre, 2013, Yönlü et al, 2013), whereas GPS studies provide a constant slip rate of ~10 mm/year along the whole EAF (Reilinger et al, 2006;Mahmoud et al, 2013;Aktuğ et al, 2016).…”

Section: Seismotectonic Settingmentioning

confidence: 99%

“…The uniform variation in geomorphic indices might also indicate that either all the fault segments were initiated at the same time and underwent similar morphological evolution or some fault segments formed later, but experienced higher erosional rates. The former possibility of geomorphic indices' uniformity appears to be more likely considering the relatively uniform total offset of 13-30 km and the uniform and constant slip rate of ~10 mm/year along the entire fault (Reilinger et al, 2006;Mahmoud et al, 2013;Aktuğ et al, 2016). In contrast, the cumulative offset along the NAF becomes smaller and the width of the shear zone gets wider from east to west (Şengör et al, 2014).…”

Section: Implications Of Long-term Deformation Patternsmentioning

confidence: 99%

Morphotectonic analysis of the East Anatolian Fault, Turkey

Khalifa¹,

Çakır²,

Owen³

et al. 2018

Turkish J Earth Sci

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“…Only the development of river deltas and the changes of the river Tarsus have been studied in detail [1][2][3][4]. For the identification of toponyms known from written sources with archaeological sites, precise knowledge about the changes of river courses is essential.…”

Section: Introductionmentioning

confidence: 99%

SARchaeology—Detecting Palaeochannels Based on High Resolution Radar Data and Their Impact of Changes in the Settlement Pattern in Cilicia (Turkey)

et al. 2017

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Abstract:The fertile alluvial plain of Cilicia is bordered by the Taurus and Amanus mountain ranges to the west, north and east and the Mediterranean Sea to the south. Since the Neolithic Period, Plain Cilicia was an important interface between Anatolia and the Levant. The alluvial plain is dominated by three rivers: Tarsus, Seyhan and Ceyhan. The avulsion history of the lower course of the rivers Seyhan and Ceyhan during the Holocene remains an unresolved issue. The knowledge about how former river courses have changed is essential for the identification of ancient toponyms with archaeological sites. The analysis of silted up riverbeds based on high-resolution digital elevation models (TanDEM-X) and historic satellite imagery (CORONA) in this paper provide the first indications for the reconstruction of former river channels. Further evidence is given by the evaluation of the settlement patterns from 3rd to 1st millennium BC.

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Kinematic study at the junction of the East Anatolian fault and the Dead Sea fault from GPS measurements

Cited by 92 publications

References 31 publications

The kinematics of central-southern Turkey and northwest Syria revisited

The kinematics of central-southern Turkey and northwest Syria revisited

Morphotectonic analysis of the East Anatolian Fault, Turkey

SARchaeology—Detecting Palaeochannels Based on High Resolution Radar Data and Their Impact of Changes in the Settlement Pattern in Cilicia (Turkey)

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