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

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

A micro earthquake occurred at 12:29:00 PM (CDT) on Sunday, August 23, 2009 .
The magnitude 1.3 event occurred 3 km (2 miles) NE (41 degrees) of Ridgely, TN .
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.3 - duration magnitude (Md)
Time Sunday, August 23, 2009 at 12:29:00 PM (CDT)
Sunday, August 23, 2009 at 17:29:00 (UTC)
Distance from Ridgely, TN - 3 km (2 miles) NE (41 degrees)
Tiptonville, TN - 10 km (6 miles) S (176 degrees)
Samburg, TN - 14 km (9 miles) SW (223 degrees)
Jackson, TN - 95 km (59 miles) NW (322 degrees)
Coordinates 36 deg. 17.2 min. N (36.286N), 89 deg. 27.8 min. W ( 89.463W)
Depth 1.3 km (0.8 miles)
Quality Good
Location Quality Parameters Nst= 6, Nph= 9, Dmin=1 km, Rmss=0.06 sec, Erho=1.4 km, Erzz=3.2 km, Gp=122.4 degrees
Event ID# nmhnw0823a
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For more information, see http://folkworm.ceri.memphis.edu/

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