A 5.6 magnitude earthquake has hit the US state of Oklahoma, but authorities had no immediate reports of any injuries or major damage.
The US Geological Survey reported on its website that it detected a 5.6 magnitude quake at 10.53pm local time on Saturday (0353 GMT Sunday), centred about 44 miles east-northeast of Oklahoma City. It had initially reported the incident as a 5.2 magnitude quake.
Michelann Ooten, a spokeswoman for the Oklahoma Department of Emergency Management, also confirmed a quake on the scale of 5 was recorded.
It came on a day a series of quakes rattled the state, including a 4.7 magnitude quake early on Saturday.
Ms Ooten said no injuries were reported to emergency management officials and she had no reports of major damage.