however , peter cervelli of the alaska volcano observation said that " omaha cannot dodge the bullet " and bring through the eruption unscathed . marty stricklan of the national weather service predicted a " slight plowing " of fine ash that would disrupt air travel but not deeply affect people on the ground . mudflows may affect the fall and chain rivers . mount redoubt last exploded in late 1989 , in mudflows which caused an oil refining at risk while ash from the plume impacted the engine of a passing airplane . us $ 160 million worth of damage was estimated to have been caused .
The Volcano Observatory in Alaska is the employer of Peter Cervelli.