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 0:31:42 AM (CDT) on Sunday, April 20, 2008
.
The magnitude 1.7 event occurred 8 km (5 miles) NNE (20 degrees) of Bellmont, IL .
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
|---|---|
| Time | Sunday, April 20, 2008 at 0:31:42 AM (CDT)
Sunday, April 20, 2008 at 5:31:42 (UTC) |
| Distance from | Bellmont, IL - 8 km (5 miles) NNE (20 degrees) Bone Gap, IL - 10 km (6 miles) E (88 degrees) Keensburg, IL - 11 km (7 miles) N (355 degrees) Evansville, IN - 60 km (37 miles) NNW (332 degrees) |
| Coordinates | 38 deg. 27.0 min. N (38.450N), 87 deg. 52.8 min. W ( 87.880W) |
| Depth | 14.2 km (8.8 miles) |
| Quality | Good |
| Location Quality Parameters | Nst= 6, Nph= 11, Dmin=8.7 km, Rmss=0.13 sec, Erho=1.4 km, Erzz=1.8 km, Gp=129.6 degrees |
| Event ID# | nmhwb0420c |
| Additional Information | map |
For more information, see http://folkworm.ceri.memphis.edu/