An earthquake struck the Potomac Shenandoah region at 05:04:47 AM Friday morning. The magnitude 3.6 quake was centered approximately 10 miles NW of Rockville, Maryland and was felt as far north as Mechanicsburg Pennsylvania and as far south as Charlottesville, Virginia. Reports to the US Geological Survey by residents in the affected areas on the intensity of the event have ranged from weak to light and there have been no reports of damage.
If you felt this unusual geological event occur, the USGS invites you to report on your experience. Follow this link and click on “Did you feel it?–Tell us.” The data you provide will help the USGS analyze the event.
As of 7:30 AM five residents in the Berryville area had reported the event through the USGS system.