Magnitude 3.9 Tremor Shakes North-Central Oklahoma
After four earthquakes ranging from 2.7 to 2.9 in magnitude Sunday, a 3.9 was reported overnight Monday near Medford.
The quake was reported by the United States Geological Survey at approximately 2:15 a.m.
The earthquake's epicenter was nine miles southwest of Medford and 20 miles north of Enid.
Its depth was 4.3 miles, as reported by the USGS.