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
People gather outside of their buildings after being evacuated in New York. Spencer Platt/Getty Images/AFP
Suzanne Beatty comforts her son Quentin, 7, on a street in TriBeCa after the earthquake struck in New York. Andrew Burton/Getty Images/AFP
Crowds stand on Wall Street after the earthquake struck. The epicentre was located near Louisa in central Virginia. Two nuclear power plants at the North Anna Power Station in the same county were reportedly taken offline. Andrew Burton/Getty Images/AFP
ARLINGTON, VA - AUGUST 23: A helicopter circles the Washington National Cathedral on August 23, 2011 in Arlington, Virginia. According to reports the church suffered minor damage to several spires. The epicenter of the 5.8 earthquake was located in near L???
Fans wait outside the gates before the game between the Arizona Diamondbacks and the Washington Nationals at Nationals Park on August 23, 2011. The opening of the gates was delayed due to the earthquake. Greg Fiume/Getty Images/AFP
CUCKOO, VA - AUGUST 23: An historic home belonging to Jane and Percy Wootton is shown damaged by the early afternoon 5.8 earthquake whose epicenter was located nearby August 23, 2011 in Cockoo, Virginia. The quake resulted in scattered damage and frayed n???
FILE - In this Nov. 13, 2008 file photo, school children practice their "drop, cover and hold" technique, as they participate in the "Great Southern California Shakeout" earthquake drill, based on the hypothetical scenario of a magnitude 7.8 earthquake, at the Altadena Christian Children's Center in Altadena, Calif. The reaction to the East Coast earthquake triggered mockery from the seismically active West Coast, where similar-sized quakes happen on a regular basis and rarely become a national media obsession. (AP Photo/Damian Dovarganes, File) *** Local Caption *** East Coast Quake Mockery.JPEG-08591.jpg
Police block off the alley behind the Embassy of Ecquador in Washington after part of the building sustained damages, Tuesday, Aug. 23, 2011, after a earthquake in the Washington area. (AP Photo/Pablo Martinez Monsivais) *** Local Caption *** East Coast Quake.JPEG-032d2.jpg
Store owner B. J. Singh, replaces bottles on shelves Miller's Mart food store in Mineral, Va., a small town northwest of Richmond near the epicenter of an earthquake that struck Tuesday, Aug. 23, 2011. The most powerful earthquake to strike the East Coast???
People crowd Pennsylvania Avenue in Washington, Tuesday, Aug. 23, 2011, as buildings were evacuated following an earthquake in the Washington area. The 5.9 magnitude earthquake centered northwest of Richmond, Va., shook much of Washington, D.C., and was felt as far north as Rhode Island and New York City. (AP Photo/Charles Dharapak) *** Local Caption *** East Coast Quake.JPEG-0c776.jpg
Tony Williams surveys damage at his Mineral, Va. home after an earthquake struck Tuesday, Aug. 23, 2011. Items in his home were knocked over and displaced, and the home suffered some structural damage after the most powerful earthquake to strike the East ???
A federal court officer instructs court personnel during an evacuation of the Federal Court Building in New York, following an 5.9 magnitude earthquake that struck the East Coast of the United States, August 23, 2011. The strong earthquakewas felt as far away as Canada on Tuesday, shaking buildings in many cities, delaying flights and trains and sending thousands of frightened workers into the streets. REUTERS/Brendan McDermid (UNITED STATES - Tags: DISASTER IMAGES OF THE DAY) *** Local Caption *** NYK901_QUAKE-USA-_0823_11.JPG
Map locating the epicentre of an earthquake in Virginia. AP
Dominion Virginia Power's North Anna Power Station in Mineral, Virginia is pictured in this undated photograph obtained on August 23, 2011. Two nuclear reactors at North Anna plant were shut down on Tuesday after the facility lost power following a strong???