Tsunamis generated by earthquakes on the Alaska Subduction Zone are a persistent risk in the Pacific Northwest. Decisions ...

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

Fifty years ago, in November 1975, scientists at the Hawaii Volcanoes Observatory knew something big was about to happen due ...

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

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

UC San Diego seismologist Alice Gabriel was one researcher on a multi-institution team that won supercomputing’s most lauded ...

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

Only one-quarter of fire departments in coastal areas at risk of tsunami damage from a Nankai Trough earthquake have compiled operational plans that take inundation forecasts into account, an Asahi ...

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