U.S. Geological Survey Photographic Library

ID. Earthquake Information Bulletin 451

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Imperial Valley, California, Earthquake October 15, 1979. Furrows in a plowed field were offset about 11 inches by the magnitude 6.5 earthquake. Photo by D. Cavit. Back cover, Earthquake Information Bulletin, v. 13, no.3.

Imperial Valley, California, Earthquake October 15, 1979. Furrows in a plowed field were offset about 11 inches by the magnitude 6.5 earthquake. Photo by D. Cavit. Back cover, Earthquake Information Bulletin, v. 13, no.3.

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