The earthquake of magnitude 5.9 struck the Ryukyu Islands in the southwest of Japan.
The estimated depth of the earthquake is 30km.
According to the EMSC, the quake was registered about 232km from the city of Naha, Japan.
No damage or casualties have as yet been reported. No tsunami warnings have been issued.
Japan is located in a seismically active zone known as the Ring of Fire and regularly suffers from powerful earthquakes.