Have questions? Contact us at rctwg@humboldt.edu


In the news


What's new on the RCTWG website?

Recursos en español

Check out our new pages:


See what is going on around the state at the TsunamiZone.org website.


Hazard zone map display

Know your zone!

Find out if you live in a tsunami zone by exploring our Humboldt County tsunami zone maps. 

View & Download the Maps


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Natural and Official Warnings

Natural warnings and Official warnings are equally important.  Respond to whichever you experience first.

Learn About Warnings


Print materials and graphics

Educational Materials & Graphics

Our educational efforts include the development of regional tsunami brochures and a preparedness magazine called Living on Shaky Ground. 

PDF's & Downloads


Daily Earthquake Update

  • Sunday, December 22, 2024 - 11:45am

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