MORONGO WASH EDM Array
Number of Bench marks: 4
Number of Surveys to 1993: 2
Date of Initial Survey: 12 July 1992
Date of Latest Survey: 31 July 1992
Trespass Permission: Contact Caltrans
Directions: Proceed east on I-10 from San Bernardino toward the Coachella Valley. Exit north on to Hwy 62 toward Morongo Valley and Yucca Valley. Proceed 7.1 miles to Indian Avenue and exit right. Proceed about 100 m to dirt road that leads north parallel to Hwy 62 . The southernmost bench mark is in a large boulder in the northwest corner of the intersection of the dirt road and Indian Avenue, and the remaining of the line trends north and follows the fence between the dirt road and the highway.
Comments: This array was established across the Mission Creek fault following the 28 June 1992 Landers earthquake to measure horizontal displacement. The array shares bench mark MW08 with the level line.
Clark, M. M., 1984. Map showing recently active breaks along the San Andreas fault and associated faults between Salton Sea and Whitewater River - Mission Creek, Californ ia. U.S. Geological Survey Map I-1483, 1:24,000.
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