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Have questions? Contact us at rctwg@humboldt.edu
In the news
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October 25, 2025, Not My Fault, Dams and earthquakes: Water hazards don’t just come from tsunamis
Eureka Times-Standard, (Download the file) -
October 18, 2025, Not My Fault, ShakeOut is a reminder of what it takes to build earthquake resilient communities
Eureka Times-Standard, (Download the file) -
October 11, 2025, Not My Fault, Recent studies highlight North Coast earthquake threats
Eureka Times-Standard, (Download the file) -
October 4, 2025, Not My Fault, The Kamchatka tsunami from a U.S. perspective
Eureka Times-Standard, (Download the file) -
September 27, 2025, Not My Fault, A closer look at the Kamchatka tsunami
Eureka Times-Standard, (Download the file)
New Content
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Join us for Shakeout
Learn how you can do be more prepared for earthquakes and tsunamis on the North Coast, and join us in the World's Largest Earthquake Drill.
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Recent Earthquakes Near the Mendocino Triple Junction
Learn about recent earthquakes near the Mendocino triple junction and the impact they had on the coastal communities.
Special content pages:
Learn more about tsunami preparedness in California: TsunamiZone.org
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.









