Article Photos: Experts say Oklahoma earthquakes are too powerful to be man-made

Chad Devereaux works at cleaning up the bricks that fell from three sides of his in-laws home in Sparks, Okla., Sunday, Nov. 6, 2011, after two earthquakes hit the area in less than 24 hours. (AP Photo/Sue Ogrocki) ORG XMIT: OKSO118

Chad Devereaux works at cleaning up the bricks that fell from three sides of his in-laws home in Sparks, Okla., Sunday, Nov. 6, 2011, after two earthquakes hit the area in less than 24 hours. (AP Photo/Sue Ogrocki) ORG XMIT: OKSO118