Japan’s weather agency has issued its highest-level warning that a megaquake could follow Monday’s 7.5-magnitude tremor. Authorities urged anyone living near the Pacific coast to remain vigilant ...

A tsunami alert was triggered after a powerful earthquake struck off northern Japan on Monday, the country's meteorological agency said. The magnitude-7.6 quake struck off Hokkaido, near the coastal ...

Japan was struck by a new 6.9-magnitude earthquake on Friday morning, hitting a similar area of the Pacific coast to Monday night’s powerful 7.5-magnitude tremor. The new quake off Aomori prefecture ...

A powerful 7.6-magnitude earthquake struck off northern Japan late Monday, triggering a tsunami of up to 20 inches in Pacific coast communities and warnings of potentially higher surges, the Japanese ...