Ugur Dogan¹, Semih Ergintav², Cengiz Zabci³, Seda Ozarpaci¹, Alpay Ozdemir⁴, Muharrem Hilmi Erkoc¹, Muge Yazici³, Alper Yigitoglu¹, Ziyadin Cakir³, Hayrullah Karabulut⁵, Mehmet Kokum⁶, Bulent Bayram¹ and Roger Bilham⁷, (1)Yildiz Technical University, Department of Geomatic, Istanbul, Turkey, (2)Bogazici University, Kandilli Observatory and Earthquake Research Institute, Istanbul, Turkey, (3)Istanbul Technical University, Department of Geology, Istanbul, Turkey, (4)Yildiz Technical University, Department of Geomatic Engineering, Istanbul, Turkey, (5)Bogazici Univ, Kandilli Observatory and ERI.- Geophysics, Istanbul, Turkey, (6)Firat University, Department of Geology, Elazig, Turkey, (7)University of Colorado, CIRES, Boulder, CO, United States