We compare eruptive dynamics, effects anddeposits of the Bezymianny 1956 (BZ), Mount St Helens1980 (MSH), and Soufrière Hills volcano, Montserrat 1997(SHV) eruptions, the key events of which includedpowerful directed blasts. ...
Belousov A.; Voight B.; Belousova M.; Petukhin A.(2002)
The 8–10 May 1997 eruption of Bezymiannyvolcano began with extrusion of a crystallized plug fromthe vent in the upper part of the dome. Progressive gravi-tational collapses of the plug caused decompression ...