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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 8:31:54 PM (CST) on Saturday, April 5, 2008 .
The magnitude 1.2 event occurred 5 km (3 miles) ESE of Ridgely, TN .
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Saturday, April 5, 2008 at 8:31:54 PM (CST)
Sunday, April 6, 2008 at 2:31:54 (UTC)
Distance from Ridgely, TN - 5 km (3 miles) ESE (121 degrees)
Tiptonville, TN - 16 km (10 miles) S (169 degrees)
Hornbeak, TN - 16 km (10 miles) SW (232 degrees)
Jackson, TN - 90 km (56 miles) NW (321 degrees)
Coordinates 36 deg. 14.4 min. N (36.240N), 89 deg. 26.4 min. W ( 89.440W)
Depth 6.7 km (4.2 miles)
Quality Good
Location Quality Parameters Nst= 6, Nph= 11, Dmin=3.5 km, Rmss=0.04 sec, Erho=1.3 km, Erzz=2.8 km, Gp=90 degrees
Event ID# nmhwb0406m
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For more information, see http://folkworm.ceri.memphis.edu/

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