Giuseppe Magnifico¹, Jérôme Blandin², Chris Cardwell³, Viorel Ciausu², Juanjo Danobeitia^1,4, Paolo Favali⁵, Carl Gojak⁶, Nadine Lantéri², Giuditta Marinaro⁷, Vidina Monagas⁸, Marc Nogueras⁹, Conall O’Malley¹⁰, Paris Pagonis¹¹, Ali Deversi Rucihan¹² and Eduardo Silva¹³, (1)EMSO ERIC, CMO, Rome, Italy, (2)IFREMER, Plouzané, France, (3)NOC, Southampton, United Kingdom, (4)Spanish National Research Council, UTM-CSIC, Barcelona, Spain, (5)EMSO ERIC - European Multidisciplinary Seafloor and Water-Column Observatory, Rome, Italy, (6)INSU/CNRS, DT, Seyne-sur-Mer, France, (7)National Institute of Geophysics and Volcanology, Rome, Italy, (8)PLOCAN, Las Palmas, Spain, (9)Universitat Politècnica de Catalunya, SARTI-MAR, Barcelona, Spain, (10)Marine Institute, Galway, Ireland, (11)Institute of Oceanography, Hellenic Centre for Marine Research (HCMR), Heraklion, Greece, (12)GeoEcoMar, Bucharest, Romania, (13)INESC TEC, Porto, Portugal