3.3-magnitude earthquake felt south of Champaign, Illinois: USGS

LERNA, Ill. (WLS) -- A 3.3-magnitude earthquake hit downstate Illinois Monday night, the United States Geological Survey reported.

The USGS said the earthquake hit about 11:45 p.m. near Lerna, Illinois, which is about 50 miles south of Champaign.

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It was not immediately clear if the quake caused any damage.

Moderately frequent earthquakes take place in the Illinois basin - Ozark dome region, the USGS said.

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The largest historical earthquake in the region was a 5.4-magnitude quake that damaged southern Illinois in 1968.

Moderately damaging earthquakes strike somewhere in the region each decade or two, and smaller earthquakes are felt about once or twice a year, the USGS said.

Earthquakes in the central and eastern U.S., although less frequent than in the western U.S., are typically felt over a much broader region, officials said.