The U.S. Geological Survey initially estimated the strength of the quake was magnitude 4.2, but since lowered that number, according to the Associated Press.
Residents of Chicago, Naperville and Buffalo Grove, Illinois told NBC Chicago, they felt their beds shaking and saw their ceiling fans spend Thursday morning. A geophysicist told the AP a 3.8 magnitude earthquake would feel like a loaded truck crossing. ”
Indiana Geological Survey had no records of an earthquake of magnitude 3.8 in the central Indiana ever, according to the Indianapolis Star. The director of GHI told the Star that the location of earthquakes – about 3 miles below ground – was “highly irregular” and “extremely rare”.
Indiana last major earthquake was April 18, 2008. The magnitude 5.2 earthquake was the strongest to hit the state in 40 years, reports Star.
No injuries or damage were reported at 9:30 am CT.
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