Stéphane Guillaso, Karl Segl, Saeid Asadzadeh, Robert Milewski, Helmholtz-Center Potsdam German Research Center for Geosciences (GFZ), Germany; Stefano Pignatti, National Research Council, Italy; Massimo Musacchio, Istituto Nazionale di Geofisica e Vulcanologia, Italy; Ana María Sánchez Montero, GMV, Spain; Sabine Chabrillat, Helmholtz-Center Potsdam German Research Center for Geosciences (GFZ), Germany