As of 27 September 2026 there is no active tsunami warning for South Korea, and no tsunami alerts are active anywhere in the world. Alerts come from the Pacific and US National Tsunami Warning Centers and GDACS.
Active tsunami warnings for South Korea
All clear - no active tsunami warning for South Korea
No tsunami alerts are active anywhere in the world right now. We monitor GDACS and the US National Weather Service continuously and will show any new alert here the moment it is issued. Get instant tsunami alerts with the QuakeMate app.
Recent tsunami bulletins for South Korea
No tsunami bulletins have been issued for South Korea in the period we hold. That is normal: most coastlines go long stretches without one.
What warning, watch and advisory meanSouth Korea sits on or near the Pacific/Indian Ocean subduction zones, where large undersea earthquakes can generate tsunamis. It is covered by the Pacific Tsunami Warning Center and regional warning systems.
Use this page to check whether there is a tsunami warning in South Korea today, see the current tsunami risk and recent offshore earthquakes, and understand what to do if a warning is issued. For instant tsunami and earthquake alerts in South Korea the moment they happen, the free QuakeMate tsunami & earthquake alert app sends real-time push notifications.
Tsunami alert levels
Three levels, and they do not mean the same thing. Full explanation of tsunami warnings, watches and advisories.
Dangerous coastal flooding and powerful currents likely. Move to high ground or inland now.
A tsunami is possible. Stay alert and be ready to act.
Strong currents or waves dangerous near the water. Stay away from the coast.
Tsunamis in South Korea: FAQ
Is there a tsunami warning in South Korea right now?
No. There is no active tsunami warning for South Korea right now, and no tsunami alerts are active anywhere in the world in the feeds QuakeMate tracks (GDACS and the US NWS). This page updates automatically.
Can earthquakes near South Korea cause a tsunami?
South Korea sits on or near the Pacific/Indian Ocean subduction zones, where large undersea earthquakes can generate tsunamis. It is covered by the Pacific Tsunami Warning Center and regional warning systems. Large, shallow offshore earthquakes (roughly M7+) are the main tsunami trigger.
Has there been a tsunami in South Korea?
South Korea sits on or near the Pacific/Indian Ocean subduction zones, where large undersea earthquakes can generate tsunamis. It is covered by the Pacific Tsunami Warning Center and regional warning systems. Historically, tsunamis have affected this region after major offshore earthquakes. This page tracks the live alert status and recent offshore quakes so you can see current tsunami risk for South Korea.
What should I do during a tsunami warning in South Korea?
If a tsunami warning is issued for South Korea, move immediately to high ground or far inland, away from the coast, rivers and harbours, and follow official local guidance - do not wait to see the wave. The QuakeMate app can alert you the moment a warning is issued near you.
Where do tsunami warnings for South Korea come from?
QuakeMate aggregates the Pacific Tsunami Warning Center, the US National Tsunami Warning Center, and the global GDACS system. Local agencies issue the official guidance.
Is there a tsunami alert app for South Korea?
Yes. QuakeMate is a free iOS app that sends real-time tsunami warnings and major-earthquake alerts for South Korea, with a live map of offshore activity. Download it at quakemate.app/download.
Other hazards in South Korea
Tsunami & earthquake alerts for South Korea
QuakeMate sends real-time alerts for major earthquakes and tsunami warnings near you - free on iOS.