Click the slideshow images above to learn more!
Have questions? Contact us at rctwg@humboldt.edu
In the news
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April 25, 2026, Not My Fault, April’s 1906, 1992 earthquakes and the triple-junction connections
Eureka Times-Standard -
April 18, 2026, Not My Fault, Two interesting earthquake sequences: a reminder of our unique geologic setting
Eureka Times-Standard, (Download the file) -
April 11, 2026, Not My Fault, Ground roll is real, but we still aren't sure exactly what it is
Eureka Times-Standard, (Download the file) -
April 4, 2026, Not My Fault, The Younger Dryas: Abrupt climate change in the recent geologic past and what it could mean
Eureka Times-Standard, (Download the file) -
March 28, 2026, Not My Fault, Tsunami Week Wrap 2026: Kudos and areas we need to improve
Eureka Times-Standard, (Download the file)
New Content
Know Your Zone
Learn about tsunami hazard zones and determine if you live, work or play in one. Use this map to help you prepare and practice your tsunami evacuation drill.
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.
