Statistics of inter-time of Strombolian explosion-quakes M. Bottiglieri, S. De Martino, M. Falanga, C. Godano and M. Palo Europhys. Lett., 72 3 (2005) 493-498 Published online: 05 October 2005 DOI: 10.1209/epl/i2005-10258-0