Japan's Meteorological Agency said a powerful earthquake hit off the Japanese northern coast Monday, triggering a tsunami alert.

Japan issued a tsunami warning after a series of strong earthquakes struck off the east coast of Aomori Prefecture on Monday night, prompting authorities to urge residents in coastal areas to move to ...

A tsunami of up to 70 centimeters (2 feet, 4 inches) was measured in Kuji port in Iwate prefecture, just south of Aomori, and tsunami levels of up to 50 centimeters struck other coastal communities in...