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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 2:01:38 AM (CDT) on Tuesday, October 6, 2009 .
The magnitude 0.9 event occurred 5 km (3 miles) NW of Ridgely, TN .
The hypocentral depth is 9 km ( 5 miles).


Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, October 6, 2009 at 2:01:38 AM (CDT)
Tuesday, October 6, 2009 at 7:01:38 (UTC)
Distance from Ridgely, TN - 5 km (3 miles) NW (316 degrees)
Tiptonville, TN - 11 km (7 miles) SSW (207 degrees)
Caruthersville, MO - 16 km (10 miles) NE (46 degrees)
Jackson, TN - 99 km (62 miles) NW (320 degrees)
Coordinates 36 deg. 17.6 min. N (36.294N), 89 deg. 31.5 min. W ( 89.525W)
Depth 8.6 km (5.3 miles)
Quality Excellent
Location Quality Parameters Nst= 13, Nph= 20, Dmin=4 km, Rmss=0.12 sec, Erho=0.9 km, Erzz=1.5 km, Gp=90 degrees
Event ID# nmhnw1006d
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For more information, see http://folkworm.ceri.memphis.edu/

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