“…Furthermore, similar observations, including moment tensors with large volumetric components, have since been obtained from dense seismic networks at volcanic and geothermal areas in many other parts of the world (e.g. Arnott and Foulger, 1994;Console and Rosini, 1998;Foulger, 1988;Foulger and Long, 1984;Foulger et al, 1989;Hung and Forsyth, 1996;Kubas and Sipkin, 1987;Miller et al, 1998a;Sarao ' et al, 2001;Shimizu et al, 1988;Vavrycuk, 2002).…”