Saturday, October 11, 2025

As Much As I Enjoyed Living on the Pacific Ocean in My Youth...

10/10/25 SFGATE:

Two of the West Coast’s most dangerous fault lines might be more in sync than scientists have realized. A new study found that the two sleeping giants, the Cascadia subduction zone and the northern San Andreas fault, have been moving in rhythm for millennia, shaking within hours of each other in a geological “dance” that can rattle the coastline from Oregon to California.

A team led by Oregon State University geologist Chris Goldfinger published its findings on Sept. 29 in the scientific journal Geosphere, demonstrating the first evidence that the two faults have interacted repeatedly over thousands of years.


Yes, the two might go off together.   These are both really big quake producers.  The 1700 earthquake on the Cascadia fault produced a pretty major tsunami in Japan and a remembered in oral history of Northwest Indians 

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