1. Environment Department Istituto Nazionale di Geofisica e Vulcanologia L’Aquila Italy
2. Department of Physical and Chemical Sciences University of L’Aquila L’Aquila Italy
3. Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences and University of Potsdam Potsdam Germany
4. Department of Earth and Planetary Sciences University of California Los Angeles CA USA
5. Institute of Earth Physics and Space Science (ELKH EPSS) Sopron Hungary
6. Department of Geophysics and Space Sciences Eötvös University Budapest Hungary
7. Institute of Geophysics Polish Academy of Sciences Warsaw Poland
8. ELKH‐ELTE Space Research Group Budapest Hungary