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Magnitude
4.2
Date-Time
Wednesday, August 24, 2011 at 00:04:36 UTC
Tuesday, August 23, 2011 at 08:04:36 PM at epicenter
Location
37.917°N, 77.891°W
Depth
7.8 km (4.8 miles) (poorly constrained)
Region
VIRGINIA
Distances
52 km (32 miles) ESE of Charlottesville, Virginia
54 km (33 miles) SW of Fredericksburg, Virginia
55 km (34 miles) NW of RICHMOND, Virginia
81 km (50 miles) NNE of Farmville, Virginia
Location Uncertainty
horizontal +/- 10.1 km (6.3 miles); depth +/- 9.4 km (5.8 miles)
Parameters
NST= 82, Nph= 96, Dmin=55.7 km, Rmss=1.24 sec, Gp=126°,
M-type="Nuttli" surface wave magnitude (mbLg), Version=4
Source
Magnitude: USGS NEIC (WDCS-D)
Location: USGS NEIC (WDCS-D)
Event ID
usc0005iu6