7.0 magnitude quake jolts Japan, tsunami warning issued

A massive earthquake measuring 7.0 magnitude hit Japan's Kumamoto city on Kyushu island, reported Japanese Meteorological Agency.

A tsunami warnings has also been issued.

According to the US Geological Survey, the quake had a magnitude of 7.0, and its epicentre was located just 1km southwest of Kumamoto city.

Further details are awaited.