Not long ago, tsunamis triggered by powerful offshore earthquakes could strike with no warning. Walls of water would sweep across the Pacific, devastating coastal communities thousands of miles from ...

A slow-moving mountainside in southern Alaska has scientists and emergency planners tracking what could become one of the most destructive landslide-triggered tsunamis in modern history. The unstable ...

Australia is about to get its first taste of a new nationwide emergency warning system, where millions of devices across the ...