The instrumental monitoring activity of the activity status of Etna, of the active volcanoes of the Aeolian Islands and Pantelleria is carried out by the INGV Sections of Catania, Osservatorio Etneo, and Palermo, as regards geochemical monitoring and makes use of technologically advanced instrumental networks - both permanent and mobile - which measure seismic, geodetic and geochemical parameters and collect volcanological data.