Earlier tsunami warnings for Japan have now been downgraded after a 7.7 magnitude earthquake struck off the country's ...

A tsunami warning in Japan is raising questions. Here's how tsunamis form, why warnings change and what people far from the coast should know.

The Japan Meteorological Agency said a tsunami of up to 10 feet could strike after the 7.7 magnitude earthquake.

Tokyo — A powerful earthquake struck off the northern Japanese coast Monday, prompting the Japan Meteorological Agency (JMA) to issue a tsunami alert for a wide section of coastline, though waves of ...

The 7.7-magnitude earthquake off the north-east coast of Japan triggered tsunami warnings and widespread evacuation orders ...

Japan Meteorological Agency has warned a tsunami a metre-high tsunami could hit Iwate and Hokkaido prefectures in ...

A powerful earthquake struck off the northern Japanese coast, measured at a magnitude of 7.7 by the Japan Meteorological Agency. TSUNAMI WARNING: The ea ...

An earthquake with a preliminary magnitude of 7.7 struck off the north-eastern coast of Japan, triggering tsunami warnings ...

A three-meter (9.8-foot) tsunami warning was issued for Japan on Monday after a strong 7.4 magnitude earthquake struck off the northeastern coast, according to the Japan Meteorological Agency and the ...

Japanese authorities issued tsunami alerts after a magnitude 7.7 earthquake struck the country's north on April 20, 2026, but footage circulating online showing a neighbourhood engulfed by massive ...