East Asia

Tsunami warnings in South Korea

Live tsunami alert status and recent offshore earthquakes for South Korea.

Active tsunami warnings

All clear - no active tsunami warning for South Korea

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.

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.

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

Warning

Dangerous coastal flooding and powerful currents likely. Move to high ground or inland now.

Watch

A tsunami is possible. Stay alert and be ready to act.

Advisory

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?

There is no active tsunami warning being tracked for South Korea right now. This page updates automatically from GDACS and the US NWS.

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.

Tsunamis in nearby countries