Jean Soubestre, Instituto Volcanologico de Canarias (INVOLCAN), San Cristobal de La Laguna, Spain, Corentin Caudron, Institut des Sciences de la Terre (ISTERRE), Grenoble, France, Bernard A Chouet, Retired, Arzier-Le Muids, Switzerland, Luca D'Auria, Instituto Volcanológico de Canarias (INVOLCAN), San Cristóbal de La Laguna (Tenerife, Spain), Spain and Leonard Seydoux, Universite Grenoble Alpes, ISTerre, Grenoble, France