Investigating Fault Rupture Hazards: An Example from the Wasatch Fault Zone, Utah

by Robert M. Robison, Sergent, Hauskins & Beckwith, Salt Lake City, United States,
Ted N. Burr, Sergent, Hauskins & Beckwith, Salt Lake City, United States,
Stuart B. Murchison, Sergent, Hauskins & Beckwith, Salt Lake City, United States,
Jeffrey R. Keaton, Sergent, Hauskins & Beckwith, Salt Lake City, United States,
Donald R. Currey, Sergent, Hauskins & Beckwith, Salt Lake City, United States,



Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering

Abstract:

The Kern River project consists of a 36-inch diameter high-pressure natural gas pipeline, to be constructed from southwestern Wyoming to southern California. The alignment crosses several active faults, including the Wasatch fault zone. An investigation was carried out to establish the exact nature of the Warm Springs escarpment in southern Davis and southern Salt Lake Countries, Utah, the evaluation of which was contradictory. A trench investigation was conducted to determine if the approximately 20 ft (6 m) high Warm Springs escarpment was the result of tectonic displacement or simply shoreline erosion. It was concluded that the escarpment was not tectonic, based on the continuous stratigraphy below deformed deposits.

Subject Headings: Gas pipelines | Light rail transit | Geology | Surface fault rupture | Rivers and streams | Project management | Non-renewable energy | United States | Utah | Wyoming | California

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