Virginie Pinel¹, Delphine Smittarello¹, Francesco Maccaferri^2,3, Eleonora Rivalta⁴ and Valerie Cayol⁵, (1)ISTerre Institute of Earth Sciences, Saint Martin d'Hères, France, (2)Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany, (3)National Institute for Geophysics and Volcanology, Vesuvio Observatory, Napoli, Italy, (4)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (5)Lyon University, Laboratoire Magmas et Volcans, UJM-UBP-CNRS-IRD, St Etienne, France