The “big one” might not come alone: Double West Coast earthquake threat

Recent research highlights a concerning connection between two of the most hazardous fault systems on the U.S. West Coast: the Cascadia subduction zone and the San Andreas fault. Scientists have discovered that these…

4 min readOceanography News -- ScienceDaily
The “big one” might not come alone: Double West Coast earthquake threat
Two of the most dangerous fault systems on the U.S. West Coast may be more connected than scientists once thought. New research suggests the Cascadia subduction zone and the San Andreas fault can “sync up,” triggering earthquakes within minutes or hours of each other. This rare “synchronization” could dramatically increase the scale of a major West Coast disaster. Instead of one massive quake, multiple regions could be hit at nearly the same time.

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