Replies

Earthquake Details

This event has been reviewed by a seismologist.

Magnitude 5.8 (Preliminary magnitude — update expected within 15 minutes)
Date-Time

Tuesday, August 23, 2011 at 17:51:03 UTC
Tuesday, August 23, 2011 at 01:51:03 PM at epicenter

Location 37.875°N, 77.908°W
Depth 6 km (3.7 miles) set by location program
Region VIRGINIA
Distances

15 km (9 miles) S (179°) from Mineral, VA
18 km (12 miles) SSE (154°) from Louisa, VA
26 km (16 miles) ENE (58°) from Columbia, VA
37 km (23 miles) E (97°) from Lake Monticello, VA
54 km (34 miles) NW (314°) from Richmond, VA
139 km (87 miles) SW (214°) from Washington, DC

Location Uncertainty Error estimate not available
Parameters NST= 17, Nph= 17, Dmin=59.5 km, Rmss=0.33 sec, Gp=173°,
M-type=”moment” magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=1
Source

West Coast and Alaska Tsunami Warning Center/NOAA/NWS

Event ID at00lqe6x3