6.4-magnitude earthquake strikes off south Japan

TOKYO - A 6.4-magnitude earthquake struck off south Japan on Tuesday (Jan 8), the US Geological Survey said.

[embed]https://twitter.com/USGSBigQuakes/status/1082622665075023872[/embed]

There were no immediate reports of damage or casualties. The quake was 39km deep and centred 116km south-south-east of Kagoshima.

Earthquakes are common in Japan, one of the world's most seismically active areas.

Japan accounts for about 20 per cent of the world's earthquakes of magnitude 6 or greater.