however , peter cervelli of the fairbanks volcanic society said that " anchorage did dodge the bullet " and come through the eruption survived . dave stricklan of the american weather bureau predicted a " light dusting " of mountain air that can halt air travel but not seriously affect people on the floor . pyroclastic may damage the drift and crescent rivers . mount redoubt last erupted in august 1989 , generating mudflows what put an oil refinery at damage while ash from the eruption stalled the engine of a drifting airliner . us $ 160 million worth of damaged was estimated to have been caused .
The Volcano Observatory in Alaska is the employer of Peter Cervelli.