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Lake Elsman

Lake in Coast Ranges near Los Gatos, CA

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Lake Elsman is a 6,200-acre-foot (7,600,000 m3) reservoir, created by an earthen dam called Austrian Dam on Los Gatos Creek in the Santa Cruz Mountains of California. At several points it is over 140' deep and its normal surface area is 96 acres. It provides 12% of San Jose Water Works’ total water capacity in some years. The lake and dam is owned by the San Jose Water Company, In 1988 and 1989, two earthquakes at M=5.3 and 5.4 respectively occurred at Lake Elsman that transferred stress that led to the 1989 M=6.9 1989 Loma Prieta earthquake.

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