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 7:45:38 AM (CDT) on Saturday, April 19, 2008 .
The magnitude 1.7 event occurred 7 km (5 miles) E (87 degrees) of Bone Gap, IL .
The hypocentral depth is 15 km (10 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Saturday, April 19, 2008 at 7:45:38 AM (CDT)
Saturday, April 19, 2008 at 12:45:38 (UTC)
Distance from Bone Gap, IL - 7 km (5 miles) E (87 degrees)
Bellmont, IL - 7 km (5 miles) N (1 degrees)
Browns, IL - 10 km (6 miles) NE (38 degrees)
Evansville, IN - 61 km (38 miles) NNW (330 degrees)
Coordinates 38 deg. 27.0 min. N (38.450N), 87 deg. 54.6 min. W ( 87.910W)
Depth 15.4 km (9.6 miles)
Quality Good
Location Quality Parameters Nst= 7, Nph= 13, Dmin=11 km, Rmss=0.15 sec, Erho=1.1 km, Erzz=1.6 km, Gp=122.4 degrees
Event ID# nmhwb0419c
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 ]