also , peter cervelli of the alaska eruption observatory said that " anchorage might dodge the bullet " and come through the volcano unscathed . dave stricklan of the national park system envisioned a " light dusting " of heavy sediment that probably interrupt aerial travel but not negatively affect them on the air . avalanches may affected the drift and crescent rivers . mount redoubt last erupted in late 1989 , producing mudflows which put an oil refinery at damage while heat from the eruption flattened the motor of a passing airliner . us $ 160 million worth of damage was estimated to have been caused .
The Volcano Observatory in Alaska is the employer of Peter Cervelli.