23 days ago
The “big one” might not come alone: Two major West Coast faults may strike back to back
What's happening
SignalsMonitor is following this as a technology story. ScienceDaily Top News is the outlet attached so far. The first report grouped here was at 24 Sept 2026, 01:07 UTC. The headline in use is “The “big one” might not come alone: Two major West Coast faults may strike back to back”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
The Cascadia subduction zone and northern San Andreas fault may sometimes rupture in rapid succession, according to evidence preserved in 3,100 years of ocean sediments. Researchers identified unusual sediment layers suggesting that earthquakes on the two systems have occurred just minutes to hours apart, including around the massive Cascadia earthquake…
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by ScienceDaily Top News
The “big one” might not come alone: Two major West Coast faults may strike back to back
Reported by 1 outlet
- ScienceDaily Top News