Subsequent state-scale compilations, such as those by Johns and others, (1982), Stickney and Bartholemew (1987), and Hecker (1993) provided some supporting database and were the first true fault compilations. )This database contains information on faults and associated folds in the United States that demonstrate geological evidence of coseismic surface deformation in large earthquakes during the past 1.6 million years (Myr). Static maps were made by Susan Rhea (USGS), Richard Dart, and Damon Sather*. This map is a progress report. ); instead search for the fault number only. Because there are many contributors to the database, the citation will depend on which data you are using. The numeric fields such as Number, Year of historic deformation, Length, and Average strike should only contain numeric expressions. The fault and fold traces were digitized mainly by Richard Dart, with help from Dean Hancock*.
The computations for these maps and data used 50 year return periods on firm rock at 760 m/sec. Preliminary map showing known and suspected active faults in Colorado; 1976; OFR; 76-154; Witkind, Irving Jerome Interactive Map Allows Nevada Residents to Gauge Proximity to Earthquake Faults . by Elaine Rundle Quaternary Fault and Fold Database of the United StatesInteractive Quaternary faults map. The Nevada Bureau of Mines and Geology released two tools to aid residents and state and local officials in locating faults and estimating potential losses from earthquakes.Organizations of all sizes have embraced digital transformation. The Year of historic deformation requires a four-digit year in each field; use values that would encompass the historical record (such as 1600 and 2005) to search for all entries in this field. The red dot is the location of Great Basin National Park. Our definition of published literature includes typical sources (journals and maps), as well as M.S. The length and average-strike searches will yield all records with inclusive values and show all sections of a fault if one of those sections has the desired value.Many modern web browsers have an “auto complete” function that will fill in data fields based on the first several characters or digits from your browser profile.
The data presented in the compilation are extensively referenced using the standard USGS reference style, with the exception of attaching a unique number to each cited reference for convenience.
The Number field will not find specific sections (a, b, c, etc. Clearly the short seismic record will not image all the active faults that exist. Please use the following format according to the USGS Publishing Standards (The reference information about a fault in New Mexico viewed online on Jan 9, 2019 would look like:This website contains information on faults and associated folds in the United States that are believed to be sources of M>6 earthquakes during the Quaternary (the past 1,600,000 years). Archived reports are accessible from the abbreviated record.When you use this data, please provide proper acknowledgment. (Public domain.
The narrower the search; the quicker the results will be available. Nevada is one of the most seismically active states in the country, ranking third after California and Alaska. Maps of these geologic structures are linked to a database containing detailed descriptions and references. Because of this increased dependence on IT and connectivity, developing strong security capabilities is necessary to address both known and emerging threats. The faults presented are slightly modified from those on Quaternary Faults in Nevada (NBMG Map 167) and the USGS Quaternary Fault and Fold Database of the United States and show fault activity by geologic age.
November 5, 2009 We generally do not cite unpublished field mapping, field notes, and other gray-literature reports that are not generally available to the public. throughout the United States. theses and Ph.D. dissertations, governmental contract reports (which includes many NEHRP-sponsored studies), abstracts, and open-file (preliminary) reports. NV Seismological Laboratory. At the time the Quaternary Fault and Fold database was established (1993), the Quaternary time period was defined as <1.6 Myr in the In order to maintain a current and relevant dataset, effective January 12, 2017, the USGS will maintain a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. This numeric identifier allows us to clearly cite multiple-same year publications for authors.This table includes the definitions of classes used in the compilation of Quaternary faults, liquefaction features, and deformation (Crone and Wheeler, 2000).Although seismicity maps and earthquake catalogs show the past 100 to 150 years of felt and instrumental earthquakes, many faults in the United States have return times of thousands to tens of thousands of years for surface faulting events. The GIS data was engineered by Richard Dart and maintained by Jerry Mayer (USGS).
Excellent information for anyone wishing to visit and enjoy active volcanoes safely. In 1992, the USGS agreed to help compile maps and fault descriptions for countries in the Western Hemisphere (North, Central, and South America, as well as Australia and New Zealand). You can sort the data by time of most recent movement (4 inclusive categories) or slip rate (4 exclusive categories). consistent database on the locations, ages, and activity rates of major earthquake-related features Its main objective was to compile a World Map of Active Faults (Vladimir Trifonov, chairman).
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