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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 9:35:22 PM (CDT) on Wednesday, May 21, 2008 .
The magnitude 1.3 event occurred 10 km (6 miles) SSW of New Madrid, MO .
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Wednesday, May 21, 2008 at 9:35:22 PM (CDT)
Thursday, May 22, 2008 at 2:35:22 (UTC)
Distance from New Madrid, MO - 10 km (6 miles) SSW (202 degrees)
Portageville, MO - 14 km (9 miles) NE (54 degrees)
Tiptonville, TN - 16 km (10 miles) NNW (327 degrees)
Jackson, TN - 120 km (74 miles) NW (326 degrees)
Coordinates 36 deg. 30.0 min. N (36.500N), 89 deg. 34.2 min. W ( 89.570W)
Depth 9.2 km (5.7 miles)
Quality Excellent
Location Quality Parameters Nst= 16, Nph= 26, Dmin=4.6 km, Rmss=0.05 sec, Erho=0.6 km, Erzz=1.9 km, Gp=57.6 degrees
Event ID# nmhwb0522a
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For more information, see http://folkworm.ceri.memphis.edu/

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