It has been about three centuries since the last great earthquake on the southern San Andreas Fault, the most treacherous seismic hazard in California.For decades researchers have puzzled over why it has been so long.The average interval of large earthquakes along that portion of the fault has been 180 years over the past 1,000 years.
#people #years #los-angeles #researchers #million-people #consequences #southern-california #destruction #los-angeles-county #disappearance
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