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Article Name Determination of the Fault Activities in Western Part of Sultandagi Fault by Multidisciplinary Studies
Author Name İbrahim TİRYAKİOĞLU*, Tamer BAYBURA*, Çağlar ÖZKAYMAK**, Hasan SÖZBİLİR***, Ayla SANDIKCIOĞLU****, Saffet ERDOĞAN*, İbrahim YILMAZ*, Murat UYSAL*, Mustafa YILMAZ*, Ahmet YILDIZ** Mehmet Ali DERELİ*, Mustafa YALÇIN*, İbrahim DUMLUPINAR**, Hüseyin Ali YALIM****, Oğuz ERTUĞRUL*****
Address *Afyon Kocatepe Üniversitesi Mühendislik Fak. Harita Müh. Böl., 03200 Afyonkarahisar/TÜRKİYE **Afyon Kocatepe Üniversitesi Mühendislik Fak. Jeoloji Müh. Böl., 03200 Afyonkarahisar/TÜRKİYE ***Dokuz Eylül Üniversitesi Mühendislik Fak. Jeoloi Müh. Böl., 03200 İzmir/TÜRKİYE ****Afyon Kocatepe Üniversitesi Fen Edebiyat Fak. Fizik. Böl., 03200 Afyonkarahisar/TÜRKİYE *****Anadolu Üniversitesi Fen Fak. Fizik. Böl., Eskişehir//TÜRKİYE itiryakioglu@aku.edu.tr
Abstract Afyonkarahisar-Sultandagi region is one of the seismically most active regions in western Anatolia. The region suffered destructive earthquakes that occurred in both historical and instrumental periods. The last two destructive earthquakes in the region occurred on 03.02.2002 near western part of Çay and south of Lake Eber, with magnitudes of 6.5 and 6.2. These earthquakes that caused surface ruptures in Maltepe and Çay settlements and nearby areas in the western parts of the Sultandağı Fault, are the final members of the earthquake migration from southeast to northwest, which began in southeastern part of the Sultandağı Fault in 1921, and progressed northwestward in 1946 and 2000. The probability of continuing westward earthquake migration along the Afyon-Akşehir Graben, active faults mapping in Afyonkarahisar vicinity and existing seismic gap within the western part of the Afyon-Akşehir Graben indicate the possibility of destructive earthquakes in future in Afyonkarahisar and nearby area. Therefore, multidisciplinary studies have been initiated by the researchers from Geomatics Engineering, Geology Engineering and Physics Departments of Afyon Kocatepe University. In these studies, 18 GNSS points have been constructed at the western parts of the Sultandagi Fault. The two campaigns of GNSS measurements carried out at these points in the years 2012-2013 and the primary velocity field has been determined. Two additional measurement campaigns will be conducted in the years 2014-2015 to improve the reliability of the velocity field. Therewithal, the fieldwork for Paleostress analysis began in 2013 and still continues. In addition, the changes of groundwater radon gas concentration are being measured systematically on the fault line. Simultaneously with the measurements, the relationship between the variations of radon concentration and the seismic movements on the considered fault line is searched. Keywords: Sultandagi Fault, Crustral Deformation, GNSS, Radon
Published in Electronic Journal of Map Technologies
Issue 7
Volume 1
Pages 7-16
Year 2015
Type Paper
Language Turkish
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