1. Istituto Nazionale di Geofisica e VulcanologiaCentro Nazionale Terremoti Rome Italy
2. Laboratoire de Géologie, Ecole Normale Supérieure and CNRS UMR8538 Paris France
3. GEOSUBSIGHT‐ISTeP‐UMR 7193 UPMC‐CNRS, Université Pierre et Marie Curie Paris France
4. Institute of GeosciencesPolytechnic University of Tirana Tirana Albania
5. National Institute of Geophysics, Geodesy and Geography Sofia Bulgaria