Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Dipartimento di Fisica e Geologia, University of Perugia, Perugia, Italy; Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
Osservatorio Etneo, INGV National Institute of Geophysics and Volcanology, Catania, Italy
INGV National Institute of Geophysics and Volcanology, Osservatorio Etneo, Catania, Italy