A man watches a flight information board at Keflavik airport, Keflavik, Iceland Sunday May 22, 2011 as Iceland closed its main international airport and canceled domestic flights as a powerful ... more 
A man watches a flight information board at Keflavik airport, Keflavik, Iceland Sunday May 22, 2011 as Iceland closed its main international airport and canceled domestic flights as a powerful volcanic eruption sent a plume of ash, smoke and steam 12 miles (20 kilometers) into the air. The eruption was far larger than one a year ago that caused international travel chaos _ but scientists said it was unlikely to have the same widespread effect. less 
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Associated Press | Photo By Brynjar Gauti
Sun, May 22, 2011 9:49 AM EDT