A powerful 7.1-magnitude earthquake struck Japan's southern Kyushu region on Tuesday, prompting tsunami warnings and emergency alerts across several prefectures, according to the Japan Meteorological Agency (JMA).

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.

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.