Jan. 26, 2025, marks 325 years since the last great earthquake on the Cascadia subduction zone. It’s a time to reflect on what we’ve learned about this largest fault system in the lower 48 states ...
N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback