A small earthquake occurred Friday, May 2 at 3:10am CDT (08:10 UTC). The earthquake occurred approximately 16 miles north-northwest of Harrisburg, Illinois. The quake was felt lightly in the surrounding counties.
The quake magnitude - 3.1 [SLU, mLg(3Hz)]; 3.2 [U.S.G.S.].
View U.S.G.S. Intensity Map, based on local felt reports.