Indiana Rattled By Earthquake : The Two-Way The 4.2 magnitude temblor was felt in neighboring states. So far, most folks seem to be saying it lasted just 5-7 seconds.
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Indiana Rattled By Earthquake

We don't see a headline like this very often:

"4.2 Magnitude Earthquake Hits North Central Indiana." (Indianapolis Star)

The U.S. Geological Survey says it happened at just before 8 a.m. ET. The temblor was felt in adjacent states as well.

At the Star's website, folks are sending in reports such as this:

"In Dayton, Ohio, Ashley Herman felt the quake on the 18th floor of a high-rise.

" 'Everything on my desk rattled,' she wrote in an e-mail. 'At first I just thought it was in my head'."

A Twitter search on #earthquake shows folks are starting to chime in with tweets about what they felt.

Update at 10:25 a.m. ET: USGS has revised its estimate. It's now being called a 3.8 magnitude quake.