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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 6:44:24 AM (CDT) on Thursday, April 24, 2008 .
The magnitude 2.6 event occurred 7 km (5 miles) N (8 degrees) of Bellmont, IL .
The hypocentral depth is 18 km (11 miles).


Magnitude 2.6 - duration magnitude (Md)
Time Thursday, April 24, 2008 at 6:44:24 AM (CDT)
Thursday, April 24, 2008 at 11:44:24 (UTC)
Distance from Bellmont, IL - 7 km (5 miles) N (8 degrees)
Bone Gap, IL - 8 km (5 miles) E (88 degrees)
Browns, IL - 11 km (7 miles) NE (41 degrees)
Evansville, IN - 61 km (38 miles) NNW (331 degrees)
Coordinates 38 deg. 27.0 min. N (38.450N), 87 deg. 54.0 min. W ( 87.900W)
Depth 18.3 km (11.4 miles)
Quality Excellent
Location Quality Parameters Nst= 10, Nph= 17, Dmin=10.5 km, Rmss=0.1 sec, Erho=1 km, Erzz=1.3 km, Gp=86.4 degrees
Event ID# nmhwb0424a
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