Earthquake strikes Maryland, Washington D.C. within the Potomac-Shenandoh region on Friday, July 16, 2010. The U.S. Geological Survey reports that the quake rattled the Washington metro region at 5:04 a.m. at a depth of 3 miles with an epicenter one mile southeast of Germantown, MD. The quake measured a 3.6 magnitude on the Richter scale. The Potomac-Shenandoh region is infrequently affected by earthquakes of this magnitude. The last quake measured a 2.0 on the Richter scale in 2008.
Residents in Maryland, Virginia, and West Virginia reported feeling the quake. The quake rattled homes and nerves during its 10 second duration. Many residents were woken up by the earthquake. The U.S. Geological Survey recieved over 6,500 reports of the quake. Authorities report no interruption in services, as well as no significant damage or injuries resulting from the quake.