Twitter is going crazy!
The Washington post reports the quake was felt in Washington, New York, Philadelphia, Boston and Cleveland. The U.S. Geological Survey said an earthquake of a 5.8 magnitude hit Virginia near the town of Mineral.
First hand reporting: US gelological station says it was 5.9 quake 83 miles south of DC. They normally monitor U.K.
A Reuters witness said the quake was felt as far away as Toronto, Canada.
Jason Kottke reports the VA quake is the strongest to hit the US east coast since 1890s: (1897 5.9 in VA)