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Geologic Trips, Bay Area
Faults San Andreas Lake The
trace of the 1906 San Francisco earthquake passes through this point on the
abutment San Andreas Dam and then northwest through the San Andreas Lake
toward the small peninsula (distant center). The San Andreas Dam is an earthfill embankment that
is 720 feet long and was built across the valley that was formed by the San
Andreas fault zone. The dam was displaced nine feet to the
northwest during the earthquake, but did not fail. It is this lake that
gave its name to the San Andreas fault. In 1991 this monument was placed at the spot where the fault cut through the
abutment for the dam. Exterior Websites Assoc. of Bay Area
Governments: Stanford:
San Andreas Lake and SF Bay Area USGS:
San Andreas Fault System, PP 1515 Wikipedia:
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