A 3.1 magnitude earthquake was reported 13 miles west of Medford and 28 miles north of Enid Monday night just before 11 p.m.
The United States Geological Survey reported it's depth at more than three miles.
There are no reports of major injury or damage at this time.
According to the USGS, earthquakes with magnitudes ranging from 2.5 to 3.0 are generally the smallest ones felt by humans. Damage is more likely from quakes at a 4.0 magnitude and higher.