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Sunday, July 17, 2011

Anderson Dam Seismic Risk

The Santa Clara Valley Water District announced the results of a seismic study that determined the 60-year-old Anderson Dam might collapse if a "maximum credible earthquake" of 7.2 magnitude on the Calaveras fault struck within 1.25 miles of the dam. That quake has a less than 1 percent chance of happening. But if by bad luck it did, the sand and gravel in the foundation of the dam would liquefy, causing the structure to fail. READ MORE

Santa Clara Valley Water District Press Release

Santa Clara Valley Water District Report

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