Broken windows are seen following Thursday's earthquake in Sendai, northern Japan Friday, April 8, 2011. A big aftershock rocked quake-weary Japan late Thursday, rattling nerves as it knocked out ... more 
Broken windows are seen following Thursday's earthquake in Sendai, northern Japan Friday, April 8, 2011. A big aftershock rocked quake-weary Japan late Thursday, rattling nerves as it knocked out power to the northern part of the country and prompted tsunami warnings that were later canceled. less 
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Associated Press | Photo By Vincent Yu
Fri, Apr 8, 2011 11:10 PM EDT