A 5.6 magnitude earthquake -- apparently equaling the strongest to ever hit the state -- struck central Oklahoma Saturday morning, the U.S. Geological Survey reported.
The jolt was felt over a wide area from Kansas City, Mo., to Wichita, Kan. to Dallas, to Fort Smith, Ark., Newsok.com reports.
The quake prompted authorities in the town of Pawnee, near the quake's center, to dispatch officers to check key facilities, such as the local water plant.
Police radio traffic reported that quake had apparently caused several structural fires, including one barn, near the town of around 2,000 people.
The Tulsa World newspaper said the initial measurement of 5.6-magnitude equals a quake that struck the town of Prague, in Lincoln County, in November, 2011.