A 3.8 magnitude earthquake rattled portions of Central Indiana Thursday morning--and was even felt by some Chicago residents.The U.S. Geological Survey initially estimated the quake's strength 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 move early Thursday. A geophysicist told the AP a 3.8 magnitude quake "would feel like a loaded truck passing by."From: http://ping.fm/eewhk
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