As of 8 September 2026 there is no active tsunami warning for Japan, and no tsunami alerts are active anywhere in the world. The strongest earthquake near Japan in the last 30 days was magnitude 6.0; a tsunami usually needs a shallow offshore quake of about magnitude 7 or more. Alerts come from the Pacific and US National Tsunami Warning Centers and GDACS.
Active tsunami warnings for Japan
All clear - no active tsunami warning for Japan
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 Japan
Products issued for this coast by the Pacific and US National Tsunami Warning Centers. Most are information statements - an earthquake occurred, with no tsunami threat.
in Kyushu, JapanNo threat
28 Jul 2026 路 NWS National Tsunami Warning Center
Kyushu JapanNo threat
28 Jul 2026 路 Pacific Tsunami Warning Center
Kyushu JapanNo threat
28 Jul 2026 路 Pacific Tsunami Warning Center
Kyushu JapanNo threat
28 Jul 2026 路 Pacific Tsunami Warning Center
Kyushu JapanNo threat
28 Jul 2026 路 Pacific Tsunami Warning Center
near the east coast of Honshu, JapanNo threat
24 Jun 2026 路 NWS National Tsunami Warning Center
Japan 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. The strongest recent earthquake near Japan was M 6.0 near HOKKAIDO, JAPAN REGION.
Use this page to check whether there is a tsunami warning in Japan 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 Japan 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 Japan: FAQ
Is there a tsunami warning in Japan right now?
No. There is no active tsunami warning for Japan 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 Japan cause a tsunami?
Japan 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 Japan?
Japan 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 Japan.
What should I do during a tsunami warning in Japan?
If a tsunami warning is issued for Japan, 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 Japan 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 Japan?
Yes. QuakeMate is a free iOS app that sends real-time tsunami warnings and major-earthquake alerts for Japan, with a live map of offshore activity. Download it at quakemate.app/download.
Other hazards in Japan
Tsunami & earthquake alerts for Japan
QuakeMate sends real-time alerts for major earthquakes and tsunami warnings near you - free on iOS.