Southern California Long Overdue for Massive Quake on San Andreas Fault

A recent study, conducted by researchers from UC Irvine and Arizona State University, concludes that Southern California is long overdue for a major earthquake along the San Andreas Fault. The San Andreass southern segment is 340 miles long and runs from the Salton Sea north to Parkfield. This section for many years was thought to have an earthquake recurrence interval of 140-160 years. The recent study says that the recurrence interval is actually closer to 88 years, on average.

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