There were no immediate reports of damage yet.
File photo
An earthquake with a preliminary magnitude of 6.4 jolted southern Japan early on Saturday morning (Friday in UAE), broadcaster NHK reported.
The epicentre of the earthquake was off the coast of Kyushu, the southernmost of Japan's four main islands, according to the Japan Meteorological Agency.
No tsunami warning had been issued, according to broadcaster NHK and there were no immediate reports of damage.
The quake was also felt across a wide area of western Japan as well as part of central Japan.
At an intensity above 5, many people find it hard walk as movement becomes difficult.