Pacific tsunami alerts for US, Russia and Japan: everything you need to know

Travellers should also monitor the four official alert levels. A warning demands immediate evacuation, an advisory still bars entry to beaches and marinas because strong currents can persist, a watch signals a potential threat and tells you to stand by for updates, while an information statement confirms no danger.

Those categories are updated in real time by the Pacific Tsunami Warning Centre, Japan’s JMA, and NOAA’s National Tsunami Warning Centre, so make sure turn on app or SMS alerts…