Cracks appear on the facade of a building on Market Street in downtown Philadelphia following an earthquake along the East Coast Tuesday Aug. 23, 2011. A 5.9 magnitude earthquake centered in Virginia ... more 
Cracks appear on the facade of a building on Market Street in downtown Philadelphia following an earthquake along the East Coast Tuesday Aug. 23, 2011. A 5.9 magnitude earthquake centered in Virginia forced evacuations of all the monuments in Washington and rattled nerves from the southern state of Georgia to Martha's Vineyard, the Massachusetts island in the northeast where President Barack Obama is vacationing. (AP Photo/Jacqueline Larma) less 
1 / 1
Associated Press | Photo By Jacqueline Larma
Tue, Aug 23, 2011 3:26 PM EDT