I drove through Los Angeles February 3rd at 3am, drove west to San Bernardino, slept in my truck, woke up 10 hours later, and drove out to Pine Wood Canyon. I followed the San Andreas Fault northward to Wrightwood, documenting sag ponds, fault gouge, and the highest point on the fault, over 6000 feet above sea level, at a big rock tower located in Wrightwood. I then drove down toward the Antelope Valley, taking a detour past Pallett Creek, which is the location of significant fault research, before ending the day in Palmdale.
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A sag pond northwest of Wrightwood. Sag ponds form when water collects in depressions created by a fault. |
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Large rock tower in Wrightwood; the approximate location of the highest point on the San Andreas Fault (over 6000 feet above sea level). |
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Fault gouge located south of Wrightwood. Fault gouge is created through the grinding action taking place along a fault. |
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Fault feature located near Pallett Creek. Note the two very different rock types on both sides of the fault. |
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Sign making the location of the San Andreas Fault near Pallett Creek. The fault runs from the sign toward the depression in the landscape right of center. |
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Looking south-southwest along the San Andreas Fault. The fault runs up to the mountains in the center of the picture. |
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The San Andreas Fault crosses the California Aqueduct near Palmdale. Los Angeles could very well be out of water if the fault ruptured along the aqueduct. |
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