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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 8:24:03 PM (CDT) on Monday, April 7, 2008 .
The magnitude 1.2 event occurred 6 km (4 miles) ESE of Ridgely, TN .
The hypocentral depth is 6 km ( 3 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Monday, April 7, 2008 at 8:24:03 PM (CDT)
Tuesday, April 8, 2008 at 1:24:03 (UTC)
Distance from Ridgely, TN - 6 km (4 miles) ESE (116 degrees)
Tiptonville, TN - 16 km (10 miles) SSE (166 degrees)
Hornbeak, TN - 16 km (10 miles) SW (230 degrees)
Jackson, TN - 89 km (55 miles) NW (322 degrees)
Coordinates 36 deg. 14.4 min. N (36.240N), 89 deg. 25.8 min. W ( 89.430W)
Depth 5.5 km (3.4 miles)
Quality Fair
Location Quality Parameters Nst= 6, Nph= 8, Dmin=2.9 km, Rmss=0.05 sec, Erho=1.8 km, Erzz=6.3 km, Gp=86.4 degrees
Event ID# nmhwb0408a
Additional Information map

For more information, see http://folkworm.ceri.memphis.edu/

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