Quaternary Fault and Fold Database of the United States

As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. For the most up-to-date information, please refer to the interactive fault map.

Archived report (descriptions no longer maintained)

Washington fault zone, Mokaac section (Class A) No. 1004b

Last Review Date: 1997-04-26

Compiled in cooperation with the Arizona Geological Survey

County(s) and State(s)	MOHAVE COUNTY, ARIZONA
Physiographic province(s)	BASIN AND RANGE COLORADO PLATEAUS
Reliability of location	Good Compiled at 1:250,000 scale.
Length (km)	This section is 11 km of a total fault length of 72 km.
Average strike	N39°E (for section)
Sense of movement	Normal
Dip Direction	NW
Historic earthquake
Most recent prehistoric deformation	late Quaternary (<130 ka)
Slip-rate category	Less than 0.2 mm/yr
References	Anderson, R.E., and Christenson, G.E., 1989, Quaternary faults, folds, and selected volcanic features in the Cedar City 1° x 2° quadrangle, Utah: Utah Geological and Mineral Survey Miscellaneous Publication 89-6, 29 p., 1 pl., scale 1:250,000. Billingsley, G.H., 1990, Geologic map of the Lizard Point quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 90-643, 1 sheet, scale 1:24,000. Billingsley, G.H., 1990, Geologic map of the Wolf Hole Mountain East quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 90-644, 1 sheet, scale 1:24,000. Billingsley, G.H., 1991, Geologic map of the Sullivan Draw North quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 91-558, 10 p., 1 pl., scale 1:24,000. Billingsley, G.H., 1991, Geologic map of the Sullivan Draw South quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 91-559, 9 p., 1 pl., scale 1:24,000. Billingsley, G.H., 1992, Geologic map of the Yellowhorse Flat quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 92-442, 17 p., 1 pl., scale 1:24,000. Menges, C.M., and Pearthree, P.A., 1983, Map of neotectonic (latest Pliocene-Quaternary) deformation in Arizona: Arizona Geological Survey Open-File Report 83-22, 48 p., scale 1:500,000. Pearthree, P.A., Menges, C.M., and Mayer, L., 1983, Distribution, recurrence, and possible tectonic implications of late Quaternary faulting in Arizona: Arizona Geological Survey Open-File Report 83-20, 51 p. Petersen, S.M., 1983, The tectonics of the Washington fault zone, northern Mohave County, Arizona: Brigham Young University Geology Studies, v. 30, no. 1, p. 83-94.