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== PRELIMINARY EARTHQUAKE REPORT ==
Cooperative New Madrid Seismic Network

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

A micro earthquake occurred at 1:32:04 AM (CDT) on Tuesday, August 25, 2009 .
The magnitude 2.8 event occurred 5 km (3 miles) ESE of Ridgely, TN .
The hypocentral depth is 8 km ( 5 miles).


Magnitude 2.8 - duration magnitude (Md)
Time Tuesday, August 25, 2009 at 1:32:04 AM (CDT)
Tuesday, August 25, 2009 at 6:32:04 (UTC)
Distance from Ridgely, TN - 5 km (3 miles) ESE (105 degrees)
Tiptonville, TN - 15 km (9 miles) SSE (166 degrees)
Hornbeak, TN - 15 km (9 miles) SW (234 degrees)
Jackson, TN - 90 km (56 miles) NW (322 degrees)
Coordinates 36 deg. 15.1 min. N (36.251N), 89 deg. 26.0 min. W ( 89.434W)
Depth 7.8 km (4.8 miles)
Quality Excellent
Location Quality Parameters Nst= 26, Nph= 32, Dmin=3 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.7 km, Gp=50.4 degrees
Event ID# nm975
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For more information, see http://folkworm.ceri.memphis.edu/

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