Magnitude 5.8 Earthquake Virginia Evacuations in Pentagon

Magnitude 5.8 Date-Time Tuesday, August 23, 2011 at 17:51:04 UTC Tuesday, August 23, 2011 at 01:51:04 PM at epicenter Time of Earthquake in other Time Zones Location 37.936°N, 77.933°W Depth 6 km (3.7 miles) Region VIRGINIA Distances 8 km (5 miles) SSW (195°) from Mineral, VA 11 km (7 miles) SSE (148°) from Louisa, VA 29 km (18 miles) NE (45°) from Columbia, VA 61 km (38 miles) NW (317°) from Richmond, VA 135 km (84 miles) SW (217°) from Washington, DC Location Uncertainty horizontal +/- 2.3 km (1.4 miles); depth +/- 3.1 km (1.9 miles) Parameters NST= 22, Nph= 23, Dmin=50 km, Rmss=0.44 sec, Gp= 79°, M-type=centroid moment magnitude (Mw), Version=B Source Southeast US Seismic Network Event ID se082311a
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