FILE - In this Friday, May 17, 2013 file photo provided by the Alaskan Volcano Observatory, the Pavlof Volcano erupts as it's seen from the air near Cold Bay, Alaska. The volcano's eruption is

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FILE - In this Friday, May 17, 2013 file photo provided by the Alaskan Volcano Observatory, the Pavlof Volcano erupts as it's seen from the air near Cold Bay, Alaska. The volcano's eruption is prompting regional airlines to cancel flights to nearby communities, including a town that reported traces of fallen ash, according to reports Monday, May 20, 2013. (AP Photo/Alaskan Volcano Observatory, Theo Chesley, File) less 

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Associated Press
Tue, May 21, 2013 1:07 AM EDT