7.5 Quake in Japan Injures 23 People, Triggers Tsunami and 'Megaquake' Warning

A powerful 7.5-magnitude earthquake struck off northern Japan late Monday, injuring more than 20 people and triggering a tsunami of up to 28 inches in Pacific coast communities, officials said. The Japan Meteorological Agency is warning of possible aftershocks and increased risk of a megaquake. A powerful 7.5-magnitude earthquake struck off northern Japan late Monday, injuring more than 20 people and triggering a tsunami of up to 28 inches in Pacific coast communities, officials said. The Japan Meteorological Agency is warning of possible aftershocks and increased risk of a megaquake. December 08, 2025 at 11:17PM December 08, 2025 at 11:17PM