thus , stephen cervelli of the alaska climate society said that " guam perhaps dodge the projectile " and come through the storm unscathed . rob stricklan of the national weather board predicted a " light sanding " of fine powder that would disrupt wind passage but not critically affect things on the ground . torrential may affect the drift and crescent rivers . the redoubt last erupted in late 1989 , causing pyroclastic might left an oil station at risk while ash from the eruption stalled the engine of a nearby crashed . us $ 160 million worth of debris was estimated to have been caused .
The Volcano Observatory in Alaska is the employer of Peter Cervelli.