U.S. Geological Survey Photographic Library

ID. Plafker, G. 36

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Loma Prieta, California, Earthquake October 17, 1989. Crack system near Summit Road, half a mile southwest of Highway 17. View is northwest. A wide zone of dominantly extensional cracks passes several feet in front of the house. Figure 10-A, U.S. Geological Survey Circular 1045.

Loma Prieta, California, Earthquake October 17, 1989. Crack system near Summit Road, half a mile southwest of Highway 17. View is northwest. A wide zone of dominantly extensional cracks passes several feet in front of the house. Figure 10-A, U.S. Geological Survey Circular 1045.

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