Magnitude 4.5
Date-Time

* Friday, April 18, 2008 at 15:14:16 UTC
* Friday, April 18, 2008 at 10:14:16 AM at epicenter

Location 38.539°N, 87.865°W
Depth 10 km (6.2 miles) set by location program
Region ILLINOIS
Distances

* 13 km (8 miles) E (81°) from West Salem, IL
* 14 km (8 miles) W (275°) from Allendale, IL
* 15 km (10 miles) NE (48°) from Bone Gap, IL
* 34 km (21 miles) WSW (243°) from Vincennes, IN
* 68 km (42 miles) NNW (336°) from Evansville, IN
* 207 km (129 miles) E (92°) from St. Louis, MO

Location Uncertainty horizontal +/- 2.7 km (1.7 miles); depth fixed by location program
Parameters NST=152, Nph=152, Dmin=30 km, Rmss=1.65 sec, Gp= 22°,
M-type=body magnitude (Mb), Version=6
Source

* U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver

Event ID us2008qzbx

* This event has been reviewed by a seismologist.