A man works surrounded by seismographs at the Andalusian Geophysics Institute in Granada December 17, 2009. An earthquake in the Atlantic Ocean registering 6.2 on the Richter scale was felt in several Spanish provinces, according to the Spanish Geographic National Institute. No damages were reported.     REUTERS/Pepe Marin (SPAIN - Tags: DISASTER) - RTXRY2Y

Reuters (Reuters)

Earthquake Shakes Swath of U.S. Midwest

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An earthquake has rattled a swath of the Great Plains from Nebraska to North Texas.

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The United States Geological Survey said that a 5.6 magnitude earthquake happened at 7:02 a.m CT. Saturday in north-central Oklahoma. It also tweeted that aftershocks may occur.

People in Kansas City, Mo.; Fayetteville, Ark.; and Norman, Okla., all reported feeling the earthquake. Dallas TV station WFAA tweeted that it felt the quake, too.

Sean Weide in Omaha, Neb., said he had never been in an earthquake before and thought he was getting dizzy.

Mr. Weide said he and one of his daughters "heard the building start creaking" and said it "was surreal."

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