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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 4:08:39 PM (CDT) on Thursday, October 15, 2009 .
The magnitude 1.8 event occurred 10 km (6 miles) E (92 degrees) of Caraway, AR .
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Thursday, October 15, 2009 at 4:08:39 PM (CDT)
Thursday, October 15, 2009 at 21:08:39 (UTC)
Distance from Caraway, AR - 10 km (6 miles) E (92 degrees)
Keiser, AR - 14 km (9 miles) NW (311 degrees)
Victoria, AR - 14 km (9 miles) W (269 degrees)
Jonesboro, AR - 45 km (28 miles) ESE (102 degrees)
Coordinates 35 deg. 45.3 min. N (35.755N), 90 deg. 12.9 min. W ( 90.215W)
Depth 7.6 km (4.7 miles)
Quality Good
Location Quality Parameters Nst= 9, Nph= 12, Dmin=7 km, Rmss=0.11 sec, Erho=1.1 km, Erzz=3 km, Gp=104.4 degrees
Event ID# nmhnw1015d
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