In this photo provided by the Alaskan Volcano Observatory, the Pavlof volcano erupts Thursday, May 16, 2013, as seen from the air from the southwest in Cold Bay, Alaska. (AP Photo/Alaskan Volcano ... more 
In this photo provided by the Alaskan Volcano Observatory, the Pavlof volcano erupts Thursday, May 16, 2013, as seen from the air from the southwest in Cold Bay, Alaska. (AP Photo/Alaskan Volcano Observatory, Theo Chesley) less 
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Associated Press | Photo By Alaskan Volcano Observatory, Theo Chesley
Fri, May 17, 2013 7:12 PM EDT