1. a Middle East Technical University, Department of Geological Engineering, Tectonic and Earthquake Research Unit , TR-06531 , Ankara , Turkey
2. b Department of Geological Sciences , University of South Carolina , Columbia , South Carolina , 29208 , USA
3. c Müteferrika Consulting Services Ltd. , P.K. 290, TR-06443 , Yenişhir, Ankara , Turkey