Click the slideshow images below to learn more!
What's new on the RCTWG website?
Check out our new pages:
See what is going on around the state at the TsunamiZone.org website.
In the news
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October 29, 2022, Not My Fault, The complex relationship between small and large earthquakes
Eureka Times-Standard, (Download the file) -
October 22, 2022, Not My Fault, North Coast ShakeOut 2022 and a seismic tickle
Eureka Times-Standard, (Download the file) -
October 8, 2022, Not My Fault, Sea level measurements and Humboldt tectonics
Eureka Times-Standard, (Download the file) -
October 1, 2022, Not My Fault, Similarities and differences between storm surge and tsunamis
Eureka Times-Standard, (Download the file)
Know your zone!
Find out if you live in a tsunami zone by exploring our Humboldt County tsunami zone maps.
Natural and Official Warnings
Natural warnings and Official warnings are equally important. Respond to whichever you experience first.
Educational Materials & Graphics
Our educational efforts include the development of regional tsunami brochures and a preparedness magazine called Living on Shaky Ground.
