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== PRELIMINARY EARTHQUAKE REPORT ==
Southeast U.S. Seismic Networks

Version #B: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A minor earthquake occurred at 3:08:17 AM (CDT) on Saturday, May 16, 2009 .
The magnitude 3.0 event occurred 3 km (2 miles) NNE (22 degrees) of Cave Spring, VA .
The hypocentral depth is 13 km ( 8 miles).


Magnitude 3.0 - (unknown type)
Time Saturday, May 16, 2009 at 3:08:17 AM (CDT)
Saturday, May 16, 2009 at 8:08:17 (UTC)
Distance from Cave Spring, VA - 3 km (2 miles) NNE (22 degrees)
Roanoke, VA - 6 km (4 miles) WSW (246 degrees)
Salem, VA - 7 km (4 miles) SE (137 degrees)
Coordinates 37 deg. 14.9 min. N (37.248N), 80 deg. 0.1 min. W ( 80.002W)
Depth 12.9 km (8.0 miles)
Quality Poor
Location Quality Parameters Nst= 25, Nph= 31, Dmin=37 km, Rmss=0.36 sec, Erho=1.7 km, Erzz=2.1 km, Gp=86.4 degrees
Event ID# sehnw0516a
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