Increase in seismic activity noted at Mount Redoubt in southern Anchorage . Seismic activity at Alaska 's Mount Redoubt again has scientists watching for an eruption . Alert level raised ; `` eruption within weeks to weeks '' is possible , officials say . Mount Redoubt last erupted in December 1989 and last for December 1989 . Mount Redoubt is as high as 26 southwest of Anchorage , Alaska .
Increase in seismic activity noted at Mount Redoubt in southern Anchorage . Alert level raised ; `` eruption within weeks to weeks '' is possible , officials say . Mount Redoubt last erupted in December 1989 and last for December 1989 . Mount Redoubt is as high as 26 southwest of Anchorage , Alaska .