The U.S. Geological Survey recorded two earthquakes of moderate strength in central Oklahoma early Tuesday morning.
Both hit less than 10 miles outside the town of Harrah in Oklahoma County.
The first registered a 3.8 magnitude at 2:19 a.m.
The second was a magnitude 3.9 that rumbled through the same area less than two hours later at 4:08 a.m.
There were no reports of damage.