Rupture (or "mole track") on the Imperial Fault. Imperial Valley, California, Earthquake. 1979.
Dates
Date Taken
1979
Summary
Imperial Valley, California, Earthquake October 15, 1979. Rupture (or "mole track") on the Imperial Fault in a field south of Heber Road (2.4 kilometers northwest of the southeast end of the fault). Piled-up soil fragments are compressional mounds that formed between the ends of echelon fractures in the ground. View is northwest. J.C. Tinsley measured 45 degrees and 3 centimeters of dextral displacement on offset crop rows in this field. Photo by J.C. Tinsley, October 17, 1979. Figure 86, U.S. Geological Survey Professional paper 1254.
Summary
Imperial Valley, California, Earthquake October 15, 1979. Rupture (or "mole track") on the Imperial Fault in a field south of Heber Road (2.4 kilometers northwest of the southeast end of the fault). Piled-up soil fragments are compressional mounds that formed between the ends of echelon fractures in the ground. View is northwest. J.C. Tinsley measured 45 degrees and 3 centimeters of dextral displacement on offset crop rows in this field. Photo by J.C. Tinsley, October 17, 1979. Figure 86, U.S. Geological Survey Professional paper 1254.
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