Mathilde Cannat¹, Andrew Gates², Déborah Chavrit³, Nadia Lo Bue⁴, Dominique Lefèvre⁵, Katsiaryna Pabortsava², Eric Delory⁶, Daniel Mihai Toma⁷, Paul Gaughan⁸, Sébastien Garziglia⁹, Leonidas Perivoliotis¹⁰, Raluca Tutuianu¹¹, Ana Colaço¹², Laura Beranzoli¹³, Ivan Rodero¹⁴, Jérôme Blandin¹⁵, Henry Ruhl¹⁶ and Juanjo Danobeitia¹⁷, (1)CNRS and Institut de Physique du Globe de Paris, Paris, France, (2)NOC, Southampton, United Kingdom, (3)CNRS, Institut de Physique du Globe de Paris, Paris, France, (4)Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy, (5)Aix Marseille Université, CNRS/INSU, Université de Toulon, IRD, Mediterranean Institute of Oceanography (MIO) UM 110, Marseille, France, (6)PLOCAN, Telde, Spain, (7)Universitat Politècnica de Catalunya, SARTI, Vilanova i la Geltrù, Spain, (8)Marine Institute, Galway, Ireland, (9)IFREMER, Geosciences Marines, EDROME, Plouzané, France, (10)HCMR, Anavyssos, Greece, (11)GeoEcoMar, Bucuresti, Romania, (12)University of the Azores, Institute of Marine Research, Ponta Delgada, Portugal, (13)Istituto Nazionale di Geofisica e Vulcanologia, Roma, Italy, (14)EMSO ERIC, CMO, Rome, Italy, (15)IFREMER, Plouzané, France, (16)National Oceanography Centre, Southampton, United Kingdom, (17)EMSO ERIC, Rome, Italy