however , peter cervelli of the alaska mountain observation said that " anchorage might escape the impact " and come through the eruptions uninjured . dave stricklan of the national weather service envisioned a " light dusting " of fine sediment that might damage air movement but not seriously affect person on the ground . torrents may affect the drift and chain rivers . mount forts last erupted in late 1989 , in mudflows can threw an energy refinery at cost while ash from the eruption wrecked the airplane of a passing airliner . me $ 160 million worth of damage was known to have been caused .
The Volcano Observatory in Alaska is the employer of Peter Cervelli.