1. Istituto Nazionale di Geofisica e Vulcanologia, Italy
2. Ecole Normale Supérieure, PSL Research University, Laboratoire de Géologie - UMR CNRS 8538, Paris, France
3. National Observatory of Athens, Istitute of Geodynamics, P.O. 20048, Athens, 11810, Greece
4. Institute of Engineering Seismology and Earthquake Engineering (ITSAK-EPPO), P.O. Box 53, Finikas, Thessaloniki, 55102, Greece
5. National and Kapodistrian University of Athens, Faculty Geology and Geoenvironment, University Campus-Zografu, Athens, GR 157 84, Greece