Powerful quake strikes Kumamoto on the southern island of Kyushu, triggering an explosion and collapse at an Aeon mall; workers are missing at a paper plant, about 40 injured reach one hospital and hundreds of thousands are told to evacuate

Japanese Prime Minister Sanae Takaichi said authorities were still assessing the full extent of the damage in the area, which was devastated by a deadly quake a decade ago.

Japan lifts tsunami alert two hours after quake as no tsunami activity observed.