Adele Fusco, Sabatino Buonanno, Giovanni Zeni, Fernando Monterroso, CNR, Italy; Simone Atzori, INGV, Italy; Gloria Bordogna, Paola Carrara, Manuela Bonano, Ivana Zinno, Giovanni Onorato, Claudio De Luca, Francesco Casu, Michele Manunta, CNR, Italy; Muhammad Yasir, CNR-IREA,Parthenope University, Italy; Riccardo Lanari, CNR, Italy