Vincenzo Lombardo (a), Fabrizio Piana (b), Gianfranco Fioraso (b), Andrea Irace (b), Dario Mimmo (a), Pietro Mosca (b),Sergio Tallone (b), Luca Barale (b), Michele Morelli (c) & Marco Giardino (d)
(a) Department of Informatics , University of Torino, corso Svizzera 185, 10149, Torino, Italy. E-mail: vincenzo.lombardo@unito.it
(b) Institute of Geosciences and Earth Resources, 10025 Torino, Italy.
(c) ARPA Piemonte, Torino, Italy.
(d) Department of Earth Sciences, University of Torino, 10025 Torino, Italy.