1. Boğaziçi University, Kandilli Observatory and Earthquake Research Institute, Department of Geophysics, 34685 Istanbul, Turkey
2. Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IRD, IFSTTAR, ISTerre, F-38000 Grenoble, France
3. Eurasian Institute of Earth Sciences, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey