Authorities warned that waves of up to 1 meter could reach the coast and issued emergency earthquake alerts across seven prefectures on the southern island of Kyushu

Thousands of homes are without power, and a tsunami warning was issued after an earthquake shook Japan's southern Kyushu island.

An earthquake registering a preliminary magnitude of 7.1 has shaken Kumamoto on Japan’s southern main island of Kyushu.

7.1-magnitude earthquake hits southwest Japan

A tsunami warning for a wave measuring 1m was issued after the earthquake, the Japan Meteorological Agency said.

A 7.1-magnitude earthquake struck Japan's Kumamoto Prefecture, triggering a tsunami warning and emergency alerts across southern Kyushu.