epa02878585 Damage is seen on the street outside a library at Euclid and 15th Street NW where part of the roof crumbled during a 5.9 magnitude earthquake that struck the East Coast of the US in Washington DC, USA, 23 August 2011. An earthquake was felt throughout Washington DC, prompting buildings, including the Pentagon and Capitol Hill, to be evacuated, witnesses said. The quake, whose epicentre was in Virginia, was magnitude 5.9, according to the US Geological Survey. There were no initial reports of injuries. EPA/JIM LO SCALZO *** Local Caption *** 02878585.jpg