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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 11:05:15 PM (CDT) on Wednesday, October 14, 2009 .
The magnitude 2.8 event occurred 10 km (6 miles) NNW of Quitman, AR .
The hypocentral depth is 3 km ( 2 miles).


Magnitude 2.8 - duration magnitude (Md)
Time Wednesday, October 14, 2009 at 11:05:15 PM (CDT)
Thursday, October 15, 2009 at 4:05:15 (UTC)
Distance from Quitman, AR - 10 km (6 miles) NNW (335 degrees)
Higden, AR - 13 km (8 miles) SSW (203 degrees)
Fairfield Bay, AR - 15 km (9 miles) S (174 degrees)
North Little Rock, AR - 77 km (48 miles) N (0 degrees)
Coordinates 35 deg. 27.7 min. N (35.462N), 92 deg. 15.7 min. W ( 92.261W)
Depth 2.8 km (1.7 miles)
Quality Poor
Location Quality Parameters Nst= 10, Nph= 18, Dmin=55 km, Rmss=0.23 sec, Erho=2.8 km, Erzz=0.9 km, Gp=176.4 degrees
Event ID# nmhnw1015b
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