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Published 1968 | public
Book Section - Chapter

Microearthquake Survey of the Southern San Andreas Fault, California


Microearthquakes have been systematically recorded with magnitudes down to -1.5 at 38 locations along the southern San Andreas fault during intervals of 2 days to 1 year. Eight trailer-mounted instruments could be operated at most sites with a peak gain of at least 10 million at 30 cps with 1-mm noise amplitude.

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© 1968 Geological Society of America.

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August 19, 2023
January 13, 2024