A satellite deployed to measure ocean surface heights was up to the challenge when a massive earthquake off the Kamchatka ...

A massive tsunami generated just offshore could turn large stretches of the U.S. Pacific coastline into a disaster zone ...

Schools and residents in tsunami-vulnerable Keaukaha, Hilo, will conduct evacuation drills on Friday, Nov. 21, including ...

Nov. 29, 2025 marks the 50th anniversary of the largest Hawaiʻi earthquake–a magnitude-7.7 with over 30 seconds of shaking ...

The Cabinet Office is urging local governments to secure sufficient stockpiles and calling on households to advance their own ...

A rare SWOT pass mapped a Pacific tsunami in detail, exposing hidden wave complexity and showing why forecasting models need a major update.

JAKARTA, Nov 27, (Xinhua): A 6.3-magnitude earthquake struck off the coast of Indonesia's Aceh province on Thursday morning, ...

A magnitude 6.6 earthquake hit an island off the coast of Sumatra in western Indonesia on Thursday, according to the United ...

“Most earthquakes in this region are caused by movement of the south flank of Kīlauea. The location, depth, and waveforms ...