US Park Service helicopter patrols over the White House in Washington, Tuesday, Aug. 23, 2011, as a member of the Secret Service walks across the roof of the White House 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/Pablo Martinez Monsivais)
A 5.9 magnitude earthquake rattled the Northeast of the United States, causing alarm from Washington, DC to New York City.
According to the U.S. geological center, the quake had its epicenter off Richmond, Virginia.