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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 9:07:30 PM (CST) on Saturday, April 5, 2008 .
The magnitude 1.5 event occurred 6 km (4 miles) SE of Ridgely, TN .
The hypocentral depth is 9 km ( 5 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Saturday, April 5, 2008 at 9:07:30 PM (CST)
Sunday, April 6, 2008 at 3:07:30 (UTC)
Distance from Ridgely, TN - 6 km (4 miles) SE (125 degrees)
Hornbeak, TN - 16 km (10 miles) SW (227 degrees)
Tiptonville, TN - 17 km (10 miles) SSE (167 degrees)
Jackson, TN - 88 km (55 miles) NW (321 degrees)
Coordinates 36 deg. 13.8 min. N (36.230N), 89 deg. 25.8 min. W ( 89.430W)
Depth 8.6 km (5.3 miles)
Quality Good
Location Quality Parameters Nst= 7, Nph= 11, Dmin=3.7 km, Rmss=0.11 sec, Erho=1.4 km, Erzz=3.4 km, Gp=126 degrees
Event ID# nmhwb0406e
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For more information, see http://folkworm.ceri.memphis.edu/

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