Affiliation: | Department of Earth Sciences, University of Southern CA, Los Angeles, CA 90089-0740,;USA. E-mail: Lamont-Doherty Earth Observatory, Palisades, NY 10964,;USA The University of Istanbul, Geophysical Engineering Department 34850,;Avcilar, Istanbul United States Geological Survey, MS 977, 345;Middlefield Rd, Menlo Park, CA 94025, USA Kandilli Observatory and Earthquake Research Institute of Bogazici University, 81220;Cengelkoy, Istanbul |