David Sun-Miyashiro was at home on the 31st floor of a Honolulu apartment building, high above danger, when his phone alerted him to a possible tsunami from a massivex earthquake far across the ...

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 ...