5.6 Magnitude Quake Rocks US Plains States

CHICAGO (AP) - An earthquake has rattled a swath of the Great Plains from Nebraska to North Texas.The United States Geological Survey said that a 5.6 magnitude earthquake happened at 7:02 a.m. Saturday in north-central Oklahoma. It also tweeted that aftershocks may occur.People in Kansas City, Missouri; Fayetteville, Arkansas; and Norman, Oklahoma, all reported feeling the earthquake. Dallas TV station WFAA tweeted that it felt the quake, too.Sean Weide in Omaha, Nebraska, said he'd never been i