Description:This dataset is a compilation of Active Fault features compiled by the Arizona Geological Survey and United States Geological Survey, published as a Web feature service, a web map service, an ESRI MapServer and as a downloadable document for the National Geothermal Data System. This layer summarizes available data on active Arizona faults. These data were originally compiled in 1998 as part of an effort coordinated by the USGS to compile data and map information on Quaternary faults throughout the world. The database has recently been revised with much more accurate fault mapping, incorporation of new data on fault activity, and inclusion of additional fault zones, primarily in northern Arizona. The first and most comprehensive of these is the state-wide compilation of neotectonic faults by Menges and Pearthree (1983), supplemented by a state-wide compilation of young faults by Euge and others (1992). More detailed regional geologic maps provided most of the data in northern Arizona and southeastern Arizona. The database includes information from all detailed investigations of fault zones in Arizona. The data structure is set up to provide systematic information on each fault zone. The individual fault data sheets include information on map and data sources, fault location, geologic setting of the fault, the geomorphic expression of the fault, recency of fault movement, fault slip rate(s), and fault zone length and orientation. Reported lengths are for the whole fault zone, not cumulative length of each individual fault in the zone, and orientations are averages for the fault zone. Citations: Euge, K.M., Schell, B.A. and Lam, I.P., 1992, Development of seismic acceleration maps for Arizona: Arizona Department of Transportation Report No. AZ92-344, 327 p., 5 sheets, scale 1:1,000,000. Menges, C.M. and Pearthree, P.A., 1983, Map of neotectonic (latest Pliocene - Quaternary) deformation in Arizona: Arizona Bureau of Geology and Mineral Technology Open-File Report 83-22, 48 p., map scale 1:500,000, 4 map sheets.
This resource was provided by the Arizona Geological Survey and made available for distribution through the National Geothermal Data System.
Publication Date: Jul 25, 2011