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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 11:21:11 PM (CDT) on Tuesday, October 27, 2009 .
The magnitude 1.0 event occurred 5 km (3 miles) SE of Ridgely, TN .
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, October 27, 2009 at 11:21:11 PM (CDT)
Wednesday, October 28, 2009 at 4:21:11 (UTC)
Distance from Ridgely, TN - 5 km (3 miles) SE (135 degrees)
Tiptonville, TN - 17 km (10 miles) S (172 degrees)
Hornbeak, TN - 18 km (11 miles) SW (230 degrees)
Jackson, TN - 89 km (55 miles) NW (320 degrees)
Coordinates 36 deg. 13.8 min. N (36.230N), 89 deg. 26.8 min. W ( 89.447W)
Depth 7.2 km (4.5 miles)
Quality Good
Location Quality Parameters Nst= 7, Nph= 13, Dmin=2 km, Rmss=0.01 sec, Erho=0.8 km, Erzz=1.9 km, Gp=93.6 degrees
Event ID# nmhnw1028b
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For more information, see http://folkworm.ceri.memphis.edu/

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