It's true, Oklahoma gets earthquakes too (creative commons)

The United States Geological Survey said the initial quake was centered six miles north of Prague, Oklahoma.

The 4.7 quake was followed by several decent-size aftershocks including a 3.6 magnitude quake that struck around 8:36 A.M. 

The quake was felt as far away as Kansas, Topeka and Missouri.

There have been no reports of significant damage, power outages or injuries.