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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 7:51:08 PM (CDT) on Friday, May 23, 2008 .
The magnitude 1.4 event occurred 4 km (2 miles) S of Ridgely, TN .
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Friday, May 23, 2008 at 7:51:08 PM (CDT)
Saturday, May 24, 2008 at 0:51:08 (UTC)
Distance from Ridgely, TN - 4 km (2 miles) S (169 degrees)
Caruthersville, MO - 16 km (10 miles) ENE (75 degrees)
Tiptonville, TN - 16 km (10 miles) S (183 degrees)
Jackson, TN - 91 km (57 miles) NW (319 degrees)
Coordinates 36 deg. 13.8 min. N (36.230N), 89 deg. 28.8 min. W ( 89.480W)
Depth 5.1 km (3.2 miles)
Quality Good
Location Quality Parameters Nst= 7, Nph= 9, Dmin=4.5 km, Rmss=0.03 sec, Erho=1.3 km, Erzz=1.4 km, Gp=133.2 degrees
Event ID# nmhwb0525b
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For more information, see http://folkworm.ceri.memphis.edu/

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