Browsing by Author "Tatar, Orhan"
Now showing items 1-20 of 21
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02.03.2017 and 24.04.2018 Samsat (Adiyaman) Earthquakes and Their Importance in Regional Seismotectonics
Tatar, Orhan; Kocbulut, Fikret; Polat, Ali; Demirel, Mehmet (TMMOB JEOLOJI MUHENDISLERI ODASI, 2019)In this study, Synthetic Aperture Radar Interferometry (InSAR) method is used together with field observations to determine whether surface deformations occur in the region after the 5,5 Mw (AFAD) Samsat Earthquake occurred ... -
Analysis of EzinepazarA +/--Sungurlu Fault Zone (Turkey) using Landsat TM data and its kinematic implications
Kocbulut, Fikret; Kavak, Kaan Sevki; Tatar, Orhan (SPRINGER HEIDELBERG, 2015)The study area is located between Corum and Amasya along the EzinepazarA +/--Sungurlu Fault Zone (ESFZ) which is regarded as the splay of the North Anatolian Fault Zone (NAFZ). By this study, the 1/25,000 scaled geological ... -
Ar-40/Ar-39 dating of ignimbrites and plinian air-fall layers from Cappadocia, Central Turkey: Implications to chronostratigraphic and Eastern Mediterranean palaeoenvironmental record
Lepetit, Petra; Viereck, Lothar; Piper, John D. A.; Sudo, Masafumi; Gurel, Ali; Copuroglu, Ibrahim; Gruber, Manuela; Mayer, Bernhard; Koch, Michael; Tatar, Orhan; Gursoy, Halil (ELSEVIER GMBH, 2014)Magmatism forming the Central Anatolian Volcanic Province of Cappadocia, central Turkey, records the last phase of Neotethyan subduction after similar to 11 Ma. Thirteen large calc-alkaline ignimbrite sheets form marker ... -
A comparison of landslide susceptibility mapping of the eastern part of the North Anatolian Fault Zone (Turkey) by likelihood-frequency ratio and analytic hierarchy process methods
Demir, Gokhan; Aytekin, Mustafa; Akgun, Aykut; Ikizler, Sabriye Banu; Tatar, Orhan (SPRINGER, 2013)The North Anatolian Fault is known as one of the most active and destructive fault zones which produced many earthquakes with high magnitudes both in historical and instrumental periods. Along this fault zone, the morphology ... -
Crustal deformation and kinematics of the Eastern Part of the North Anatolian Fault Zone (Turkey) from GPS measurements
Tatar, Orhan; Poyraz, Fatih; Gursoy, Halil; Cakir, Ziyadin; Ergintav, Semih; Akpinar, Zafer; Kocbulut, Fikret; Sezen, Fikret; Turk, Tarik; Hastaoglu, Kemal O.; Polat, Ali; Mesci, B. Levent; Gursoy, Onder; Ayazli, I. Ercument; Cakmak, Rahsan; Belgen, Alpay; Yavasoglu, Hakan (ELSEVIER SCIENCE BV, 2012)The 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 ... -
Determination of neotectonic features of the Karasu Basin (SE Turkey) and their relationship with Quaternary volcanic activity using Landsat ETM plus imagery
Kavak, Kaan Sevki; Tatar, Orhan; Piper, John; Kocbulut, Fikret; Mesci, B. Levent (TAYLOR & FRANCIS LTD, 2009)The junction between the East Anatolian and the Dead Sea fault zones lies close to an unstable F: Transform fault (FFF) triple junction where the African, Eurasian and Arabian plates meet in south-eastern Turkey. The Karasu ... -
Determining lateral offsets of rocks along the eastern part of the North Anatolian Fault Zone (Turkey) using spectral classification of satellite images and field measurements
Gursoy, Onder; Kaya, Sinasi; Cakir, Ziyadin; Tatar, Orhan; Canbaz, Oktay (TAYLOR & FRANCIS LTD, 2017)Fault displacements are being measured by geological observations using the method of detecting and evaluating marker rocks. Thus, the length of total displacement in a fault zone relates to position detection of marker ... -
The efficacy of travertine as a palaeoenvironmental indicator: palaeomagnetic study of neotectonic examples from Denizli, Turkey
Mesci, Bekir Levent; Tatar, Orhan; Piper, John D. A.; Gursoy, Halil; Altunel, Erhan; Crowley, Stephen (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2013)This study has aimed to evaluate whether a discernible environmental signature is recorded in tectonic travertine by applying palaeomagnetic study to examples from the Denizli region in western Turkey. Palaeomagnetic ... -
The evolution of travertine masses in the Sivas area (Central Turkey) and their relationships to active tectonics
Mesci, B. Levent; Gursoy, Halil; Tatar, Orhan (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2008)Sicak Cermik, Delikkaya and Sarikaya are important travertine fields with active hot springs located 31 km west of Sivas. Based on their morphology, most of the travertines are classified as fissure-ridge travertines. ... -
Fossil findings from the Sicak Cermik fissure ridge-type travertines and possible hominid tracks, Sivas, Central Turkey
Mesci, B. Levent; Erkman, Ahmet Cem; Gursoy, Halil; Tatar, Orhan (TAYLOR & FRANCIS LTD, 2017)Sicak Cermik (Sivas) is an important geothermal and recent travertine formation area in Central Anatolia. The majority of travertines found in the region comprise fissure-ridge type travertines according to morphological ... -
Geophysical analysis of fault geometry and volcanic activity in the Erzincan Basin, Central Turkey: Complex evolution of a mature pull-apart basin
Akpinar, Zafer; Gursoy, Halil; Tatar, Orhan; Buyuksarac, Aydin; Kocbulut, Fikret; Piper, John D. A. (PERGAMON-ELSEVIER SCIENCE LTD, 2016)The Erzincan Basin is one of several Neogene sedimentary basins developed by prolonged right-lateral strike-slip along the North Anatolian Fault Zone (NAFZ), the intracontinental transform defining the present boundary ... -
InSAR velocity field across the North Anatolian Fault (eastern Turkey): Implications for the loading and release of interseismic strain accumulation
Cakir, Ziyadin; Ergintav, Semih; Akoglu, Ahmet M.; Cakmak, Rahsan; Tatar, Orhan; Meghraoui, Mustapha (AMER GEOPHYSICAL UNION, 2014)We use the Persistent Scatterer Interferometric Synthetic Aperture Radar (PS-InSAR) technique with the European Space Agency's Envisat and ERS SAR data acquired on three neighboring descending tracks (T350, T078, and T307) ... -
Intracontinental quaternary volcanism in the Niksar pull-apart basin, North Anatolian Fault Zone, Turkey
Tatar, Orhan; Yurtmen, Sema; Temiz, Haluk; Guersoy, Halil; Kocbulut, Fikret; Mesci, B. Levent; Guezou, Jean Claude (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2007)The Niksar Basin is sited along the eastern segment of the North Anatolian Fault Zone in Turkey. It is a young sigmoidal pull- apart basin bordered by two non- parallel master faults associated with earthquakes in 1939 and ... -
Kinematics of the faults around the Koyulhisar (Sivas) region on the North Anatolian Fault Zone
Demirel, Mehmet; Tatar, Orhan; Kocbulut, Fikret (TMMOB JEOLOJI MUHENDISLERI ODASI, 2016)The study area is located on the eastern part of the North Anatolian Fault Zone (NAFZ) around the Koyulhisar (Sivas) region. The region is represented by a 6-8 km wide and 32 km long deformation belt. This belt is divided ... -
Microplate boundaries as obstacles to pre-earthquake strain transfer in Western Turkey: Inferences from continuous geochemical monitoring
Inan, Sedat; Pabuccu, Zumer; Kulak, Furkan; Ergintav, Semih; Tatar, Orhan; Altunel, Erhan; Akyuz, Serdar; Tan, Onur; Seyis, Cemil; Cakmak, Rahsan; Saatcilar, Ruhi; Eyidogan, Haluk (PERGAMON-ELSEVIER SCIENCE LTD, 2012)Warm and hot spring water chemistry changes as well as soil gas radon release patterns have been monitored in Western Turkey, alongside regional seismicity, providing a multi-disciplinary approach. From January 2009 to May ... -
New observations on the 1939 Erzincan Earthquake surface rupture on the Kelkit Valley segment of the North Anatolian Fault Zone, Turkey
Gursoy, Halil; Tatar, Orhan; Akpinar, Zafer; Polat, Ali; Mesci, Levent; Tuncer, Dogan (PERGAMON-ELSEVIER SCIENCE LTD, 2013)The 1939 Erzincan Earthquake (M=7.8), occurred on the North Anatolian Fault Zone (NAFZ), was one of the most active strike-slip faults in the world, and created a 360-km-long surface rupture. Traces of this surface rupture ... -
Palaeoearthquakes on the Kelkit Valley Segment of the North Anatolian Fault, Turkey: Implications for the Surface Rupture of the Historical 17 August 1668 Anatolian Earthquake
Zabci, Cengiz; Akyuz, Husnu Serdar; Karabacak, Volkan; Sancar, Taylan; Altunel, Erhan; Gursoy, Halil; Tatar, Orhan (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2011)The 26 December 1939 Erzincan (M-s = 7.8) and 20 December 1942 Erbaa-Niksar (M-s = 7.1) earthquakes created a total surface rupture more than 400 km between Erzincan and Erbaa on the middle to eastern sections of the North ... -
Palaeomagnetic and rock magnetic properties of travertine: Its potential as a recorder of geomagnetic palaeosecular variation, environmental change and earthquake activity in the Sicak Cermik geothermal field, Turkey
Piper, John D. A.; Mesci, Levent B.; Gursoy, Halil; Tatar, Orhan; Davies, Ceri J. (ELSEVIER SCIENCE BV, 2007)Travertine, the product of incremental growth of inorganic carbonate, is potentially a high-resolution recorder of geomagnetic palaeosecular variation (PSV) when it incorporates small amounts of ferromagnetic material. It ... -
Palaeomagnetic evidence for the neotectonic evolution of the Erzincan Basin, North Anatolian Fault Zone, Turkey
Tatar, Orhan; Akpinar, Zafer; Gursoy, Halil; Piper, John D. A.; Kocbulut, Fikret; Mesci, B. Levent; Polat, Ali; Roberts, Andrew P. (PERGAMON-ELSEVIER SCIENCE LTD, 2013)Ongoing motion of Anatolia towards the west is caused by convergence of the Arabian and Eurasian plates coupled with suction towards the retreating Hellenic Arc. This regime is controlling the development of neotectonic ... -
Palaeomagnetic study of the Karacadag Volcanic Complex, SE Turkey: Monitoring Neogene anticlockwise rotation of the Arabian Plate
Kocbulut, Fikret; Akpinar, Zafer; Tatar, Orhan; Piper, John D. A.; Roberts, Andrew. P. (ELSEVIER SCIENCE BV, 2013)The Karacadak Volcanic Centre in south east Turkey is a major basaltic complex sited at the northern margin of the Arabian Plate and emplaced in several pulses between similar to 11 Ma and Late Quaternary times. We have ...