Article Photos: At a glance: Earthquake magnitudes defined 12/35

Joe Reneau, right, gets a hug from friend Cody Parsons, in his family room in Sparks, Okla., Sunday, Nov. 6, 2011. The room was damaged when the chimney collapsed during an earthquake and fell partially through the roof, at upper right. Neither Joe nor his wife, Mary, were in the room at the time, and were not injured. (AP Photo/Sue Ogrocki) ORG XMIT: OKSO104