•1 min read•from Oceanography News -- ScienceDaily
The “big one” might not come alone: Double West Coast earthquake threat
Our take
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 fault lines can synchronize, potentially triggering earthquakes within minutes or hours of each other. This phenomenon raises the stakes for seismic activity, suggesting that instead of experiencing a single massive earthquake, multiple regions could be impacted simultaneously.
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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