Tsunami Warnings worldwide
Tsunami watches, advisories and evacuation — covered for 47 countries. Tsunami warnings are issued by regional warning centres after a large undersea earthquake, volcanic eruption or landslide.
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What counts as a tsunami warnings
Tsunami warnings are issued by regional warning centres after a large undersea earthquake, volcanic eruption or landslide. A warning means waves are expected; the first wave is often not the largest, and wave arrival times are published per coastal segment. Natural warning signs - strong shaking, a sudden sea retreat, a loud roar - mean leave immediately without waiting for an official message.
If a warning is active
- Move inland and at least 30 m above sea level, on foot, immediately.
- Stay away for hours: wave trains continue long after the first wave.
- Do not return to the coast until the all-clear from the official warning centre.
Sources used for this category
NOAA PTWC, JMA, national tsunami warning centres, USGS. Waarning reads these public feeds directly in your browser; the official warning always keeps the name of the authority that issued it.
Tsunami Warnings in Asia
Tsunami Warnings in Africa
Tsunami Warnings in North America
Tsunami Warnings in Oceania
Frequently asked questions
What is a tsunami warning?
Tsunami warnings are issued by regional warning centres after a large undersea earthquake, volcanic eruption or landslide. A warning means waves are expected; the first wave is often not the largest, and wave arrival times are published per coastal segment. Natural warning signs - strong shaking, a sudden sea retreat, a loud roar - mean leave immediately without waiting for an official message.
Where does Waarning get tsunami warnings from?
Public sources: NOAA PTWC, JMA, national tsunami warning centres, USGS. Waarning never re-labels an official warning as its own.
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Generated 2026-10-12.