uSGS

2011 August 23 17:51:03 UTC

Earthquake Details

This event has been reviewed by a seismologist.

Magnitude	5.9
Date-Time	Tuesday, August 23, 2011 at 17:51:03 UTC Tuesday, August 23, 2011 at 01:51:03 PM at epicenter
Location	37.975°N, 77.969°W
Depth	1 km (~0.6 mile) (poorly constrained)
Region	VIRGINIA
Distances	6 km (4 miles) SSE (152°) from Louisa, VA 6 km (4 miles) SW (236°) from Mineral, VA 26 km (16 miles) SE (133°) from Gordonsville, VA 66 km (41 miles) NW (318°) from Richmond, VA 134 km (83 miles) SW (219°) from Washington, DC
Location Uncertainty	horizontal +/- 10.9 km (6.8 miles); depth +/- 7.4 km (4.6 miles)
Parameters	NST=390, Nph=390, Dmin=57.9 km, Rmss=1.17 sec, Gp= 47°, M-type=regional moment magnitude (Mw), Version=6
Source	Magnitude: USGS NEIC (WDCS-D) Location: USGS NEIC (WDCS-D)
Event ID	usc0005ild

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NOTE:

Earthquake was felt along East Coast ... Concord, NH felt it!

Office workers gather on the sidewalk in downtown Washington on Tuesday, Aug. 23, 2011, moments after a 5.9-magnitude tremor shook the nation’s capital. The quake, centered northwest of Richmond, was felt as far north as Rhode Island and New York. (AP Photo/J. Scott Applewhite)

5.9-magnitude quake jolts eastern U.S.

THE WASHINGTON TIMES

An earthquake centered near Richmond jolted much of the eastern part of the country shortly before 2 p.m., according to the U.S. Geological Survey.

The earthquake was centered 9 miles south of Mineral, Va., and was reportedly felt in New York City and Detroit. It had a preliminary magnitude of 5.9, the geological survey said.

In Washington, D.C. Fire and Emergency Medical Services reported no injuries but several building evacuations.