Logo Recent Earthquakes in Central US

== 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 5:34:26 AM (CDT) on Sunday, April 20, 2008 .
The magnitude 2.3 event occurred 6 km (4 miles) N (9 degrees) of Bellmont, IL .
The hypocentral depth is 17 km (10 miles).


Magnitude 2.3 - duration magnitude (Md)
Time Sunday, April 20, 2008 at 5:34:26 AM (CDT)
Sunday, April 20, 2008 at 10:34:26 (UTC)
Distance from Bellmont, IL - 6 km (4 miles) N (9 degrees)
Bone Gap, IL - 8 km (5 miles) E (95 degrees)
Browns, IL - 10 km (6 miles) NE (46 degrees)
Evansville, IN - 60 km (37 miles) NNW (330 degrees)
Coordinates 38 deg. 26.4 min. N (38.440N), 87 deg. 54.0 min. W ( 87.900W)
Depth 16.9 km (10.5 miles)
Quality Good
Location Quality Parameters Nst= 9, Nph= 15, Dmin=10.1 km, Rmss=0.14 sec, Erho=1.2 km, Erzz=1.4 km, Gp=118.8 degrees
Event ID# nmhwb0420a
Additional Information map

For more information, see http://folkworm.ceri.memphis.edu/

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Data Sources || Contacts ]