At least one report of shaking was recorded in Will County, near Midewin National Tallgrass Prairie, the USGS said.

A 3.3 earthquake occurred near Lerna, Illinois at 11:43 p.m. on July 6, 2024, with over 100 reports of shaking, and is considered a minor earthquake, with vibrations similar to a truck driving by.

A 3.3 magnitude earthquake shook parts of east-central Illinois on Monday, according to a Geological Survey. Around 11:30pm, near Lerna and Neoga, it was reported to be about 5.5 miles deep and around 195 miles southeast of Quincy, Illinois.