Mild Quake Rattles DC 3.6-magnitude tremor wakes up residents By John Johnson, Newser Staff Posted Jul 16, 2010 5:55 AM CDT 5 comments Comments The White House, Washington Monument and Jefferson Memorial are seen in Washington in this 2009 file photo. (AP Photo/Ron Edmonds, FILE) (Newser) – A mild earthquake (a real one, not the political kind) shook the Washington DC area this morning. No major damage or injuries have been reported. The 3.6-magnitude quake is the strongest in the region since a database began tracking them in the 1970s, reports the Washington Post. It struck about 5am.