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.

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

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 ...

Google Trends and social media platforms have been flooded with searches for tsunami and tsunami warning after stunning ...

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

A magnitude-8.7 earthquake in Russia’s Far East early Wednesday prompted tsunami warnings in parts of Japan, Alaska and ...

Two hours after the tremor tsunami waves as high as 80 cm had been detected. A tsunami warning was later downgraded to a tsunami advisory.

Tracy Arm, a narrow inlet with steep walls, sits at the edge of two glaciers. Both are fed by the nearby Stikine ice field, ...

Japan's meteorological agency warns another, stronger earthquake may hit in the next week, ...

When a tsunami warning reached Crescent City in March 1964, many residents treated it like the others they had heard before — serious, but manageable. After the first waves caused flooding and then ...