The US Geological Survey has said a 4.6 magnitude earthquake hit Johannesburg in the early hours of this morning.
The quake, hit at approximately 1am and is the second in South Africa in less than three weeks.
The earthquake occurred 12km west of Orange Farm, south of Johannesburg at an approximate depth of 10km.
On August 5 a 5.5 magnitude earthquake struck outside Orkney.
Did you feel it?