Active tsunami warnings
All clear - no active tsunami warning for United States
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.
United States faces the Pacific and/or Atlantic-Caribbean, where offshore megathrust earthquakes can trigger tsunamis. It is monitored by the US/Pacific tsunami warning centers. The strongest recent earthquake near United States (USA) was M 7.3 near OFFSHORE CHIAPAS, MEXICO.
Use this page to check whether there is a tsunami warning in United States 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 United States the moment they happen, the free QuakeMate tsunami & earthquake alert app sends real-time push notifications.
Tsunami alert levels
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 United States: FAQ
Is there a tsunami warning in United States right now?
There is no active tsunami warning being tracked for United States right now. This page updates automatically from GDACS and the US NWS.
Can earthquakes near United States cause a tsunami?
United States faces the Pacific and/or Atlantic-Caribbean, where offshore megathrust earthquakes can trigger tsunamis. It is monitored by the US/Pacific tsunami warning centers. Large, shallow offshore earthquakes (roughly M7+) are the main tsunami trigger.
Has there been a tsunami in United States?
United States faces the Pacific and/or Atlantic-Caribbean, where offshore megathrust earthquakes can trigger tsunamis. It is monitored by the US/Pacific tsunami warning centers. 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 United States.
What should I do during a tsunami warning in United States?
If a tsunami warning is issued for United States, 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 United States 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 United States?
Yes. QuakeMate is a free iOS app that sends real-time tsunami warnings and major-earthquake alerts for United States, with a live map of offshore activity. Download it at quakemate.app/download.
Other hazards in United States
Tsunami & earthquake alerts for United States
QuakeMate sends real-time alerts for major earthquakes and tsunami warnings near you - free on iOS.