California scientists solved a 1954 quake puzzle. Here’s what it means for the next ‘Big One’
- Posted on August 30, 2025
- By San Francisco Chronicle
- 6 Views

California scientists solved a 1954 quake puzzle. Here’s what it means for the next ‘Big One’

A recent study reveals new details about a magnitude 6.5 earthquake that struck Humboldt County. The discovery could have implications for quake activity across California’s North Coast region.