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San Francisco's big 1906 earthquake was third of a series on San Andreas Fault




Geologists have uncovered geologic evidence that supports historical narratives for two earthquakes in the 68 years prior to San Francisco's devastating 1906 disaster.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/D...

Miércoles, 12 de Febrero 2014
Jueves, 1 de Enero 1970
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