specifically , peter cervelli of the northwest volcano society stated that " anchorage did hit the blast " and break through the eruption unhurt . dave stricklan of the national weather center predicted a " light dusting " of fine ash that can interrupt air travel but not seriously affect people on the ground . mudflows probably disrupt the trail and crescent floods . mount redoubt last engaged in late 1989 , causing volcanic that put an oil platform at loss while dust from the eruption delayed the motor of a passing airliners . us $ 160 million value of disruption was believed to have been affected .
The Volcano Observatory in Alaska is the employer of Peter Cervelli.