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U.S. Geological Survey Open-File Report 2010-1030

Geophysical Surveys of the San Andreas and Crystal Springs Reservoir System Including Seismic-Reflection Profiles and Swath Bathymetry, San Mateo County, California

By

David P. Finlayson,1 Peter J. Triezenberg,2 and Patrick E. Hart2

2010

1 U.S. Geological Survey, Santa Cruz, Calif.
2 U.S. Geological Survey, Menlo Park, Calif.

Abstract

This report describes geophysical data acquired by the U.S. Geological Survey (USGS) in San Andreas Reservoir and Upper and Lower Crystal Springs Reservoirs, San Mateo County, California, as part of an effort to refine knowledge of the location of traces of the San Andreas Fault within the reservoir system and to provide improved reservoir bathymetry for estimates of reservoir water volume. The surveys were conducted by the Western Coastal and Marine Geology (WCMG) Team of the USGS for the San Francisco Public Utilities Commission (SFPUC).

The data were acquired in three separate surveys: (1) in June 2007, personnel from WCMG completed a three-day survey of San Andreas Reservoir, collecting approximately 50 km of high-resolution Chirp subbottom seismic-reflection data; (2) in November 2007, WCMG conducted a swath-bathymetry survey of San Andreas reservoir; and finally (3) in April 2008, WCMG conducted a swath-bathymetry survey of both the upper and lower Crystal Springs Reservoir system.

For more information, contact David Finlayson.

Suggested citation:

Finlayson, David P., Triezenberg, Peter J., and Hart, Patrick E., 2010, Geophysical surveys of the San Andreas and Crystal Springs reservoir system including seismic-reflection profiles and swath bathymetry, San Mateo County, California: U.S. Geological Survey Open-File Report 2010-1030 [http://pubs.usgs.gov/of/2010/1030/].

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