The U.S. Geological Survey is reporting an earthquake southwest of Oklahoma City. The quake had a preliminary magnitude of 3.4 and no injuries or damage is reported.

The U.S.G.S. say the earthquake was felt about 5:19 a.m. Wednesday and its epicenter was about 5 miles northeast of Chickasha.

A magnitude 2.5 to 3 quake is generally the smallest that is felt by people. A magnitude 4 quake can cause moderate damage.