Ohlman, Montgomery County, IL – Residents across parts of central and southern Illinois reported feeling shaking early Tuesday morning after a magnitude 3.8 earthquake struck near the village of Ohlman, according to seismic data.
According to the New Madrid Seismic Network, the earthquake occurred Tuesday at 1:27 a.m. CST, with the epicenter located approximately 4 kilometers northwest of Ohlman, about 50 miles south of Springfield and northeast of the St. Louis metro area. The quake originated at a depth of 8.8 kilometers and has been reviewed and confirmed by seismologists.
While no injuries or damage have been reported as of Tuesday morning, the quake was widely felt. The U.S. Geological Survey’s “Did You Feel It?” system showed hundreds of community reports, with light to moderate shaking noted across Montgomery County and surrounding areas. Some residents described brief rattling of windows and household items.
ShakeMaps indicate the strongest shaking reached Intensity IV, which can cause noticeable vibrations indoors but typically does not result in structural damage. Emergency management agencies have not issued any alerts or warnings related to the event.
Southern and central Illinois sit near the New Madrid Seismic Zone, one of the most seismically active regions east of the Rocky Mountains. While large earthquakes are rare, smaller tremors are periodically recorded throughout the region.
Officials say aftershocks are unlikely but possible, and residents are encouraged to report their experiences to help scientists better understand the quake’s impact.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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