OK, this is something! http://newsok.com/oklahoma-earthquak...rticle/3504094

An earthquake that struck central Oklahoma today was the second-strongest in the state's history, the Oklahoma Geological Survey reported. No significant damage or serious injuries have been reported with the quake, which was felt in three states.

The Oklahoma Geological Survey has upgraded the rating of this morning's earthquake to magnitude 5.1, which would be the second-strongest earthquake reported in state history.

OGS research seismologist Austin Holland said continued analysis of the survey data showed the epicenter was about 8 miles southeast of Norman, south of Lake Thunderbird near E Post Oak Road and 84th Avenue SE. Initial reports rated the 9:06 a.m. quake as magnitude 4.5 or 4.3, but Holland said further analysis showed a consistent magnitude of 5.1. The U.S. Geological Survey continues to report a magnitude 4.3.

Gov. Brad Henry said state officials are evaluating the integrity of infrastructure statewide, including roads, bridges and buildings.