Imperial Fault trace, Imperial Valley, California Earthquake. 1979.
Dates
Date Taken
1979
Summary
Imperial Fault trace, one kilometer south of County Highway S-80 (11.3 kilometers northwest of the southeast end of the fault). Echelon fissures (vertically oriented) trend N. 20-50 degrees W. The fault trace trends between N. 30-40 degrees W. Compressional features (dark horizontal bands) join the ends of the separate echelon fractures. The distance between the manmade berms (wide dark diagonal bands) is about 9.1 meters. The maximum width of the obviously deformed zone is about 0.6 meter. View is south. Photo by M.J. Rymer taken on October 23, 1979. Imperial Valley, California Earthquake. October 15, 1979.
Summary
Imperial Fault trace, one kilometer south of County Highway S-80 (11.3 kilometers northwest of the southeast end of the fault). Echelon fissures (vertically oriented) trend N. 20-50 degrees W. The fault trace trends between N. 30-40 degrees W. Compressional features (dark horizontal bands) join the ends of the separate echelon fractures. The distance between the manmade berms (wide dark diagonal bands) is about 9.1 meters. The maximum width of the obviously deformed zone is about 0.6 meter. View is south. Photo by M.J. Rymer taken on October 23, 1979. Imperial Valley, California Earthquake. October 15, 1979.
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