however , joe cervelli of the american volcano observatory thought that " anchorage might dodge the bullets " and live through the eruption emerge . dave stricklan of the national hurricane service predicted a " light dusting " of fine ash that may disrupted ground travel but not seriously affect someone on the surface . mudflows may affect the sweep and crescent rivers . cerro fortress last erupted in late 1989 , causing floods which put an air refinery at risk while ashes from the eruption stalled the engine of a passing airliner . about $ 160 millions worth of damage was estimated to have been created .
The Volcano Observatory in Alaska is the employer of Peter Cervelli.