An Overlooked Strand Of The Southern San Andreas Fault May Pose A Major Earthquake Risk

The San Andreas Fault. Credit: Ian Kluft

Addressing uncertainties about where large earthquakes are most likely to occur along the southern San Andreas fault, which splits into multiple strands east of Los Angeles, a new study identifies a strand that has largely flown under the radar of public concern as the region’s greatest earthquake threat.

The study determines that the Mission Creek strand, which passes through major water and power infrastructure for the greater Los Angeles region, may account for almost the entire slip rate of this portion of the fault, suggesting it may actually be the primary Pacific-North American plate boundary fault at this latitude.

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Source: https://www.messagetoeagle.com/an-overlooked-strand-of-the-southern-san-andreas-fault-may-pose-a-major-earthquake-risk/