{
    "tag": 6254,
    "title": "Quaternary faults offshore of California",
    "pubdate": "20200430",
    "sername": null,
    "series_name": null,
    "issue": "DOI:10.5066\/P91RYEZ4",
    "publish": null,
    "publisher_name": null,
    "onlink": "https:\/\/cmgds.marine.usgs.gov\/catalog\/pcmsc\/DataReleases\/ScienceBase\/DR_P91RYEZ4\/qFaults_offshore_california_2020_metadata.faq.html",
    "format": null,
    "email": null,
    "descript": "A comprehensive map of Quaternary faults has been generated for offshore of California. The Quaternary fault map includes mapped geometries and attribute information for offshore fault systems located in California State and Federal waters. The polyline shapefile has been compiled from previously published mapping where relatively dense, high-resolution marine geophysical data exist. The data are also available in kml format and are accompanied by a pdf containing citations for the compiled source data. In the last decade, a number of new marine geophysical datasets collected by the U.S. Geological Survey (USGS), the Ocean Exploration Trust, and other organizations has led to substantially improved high-resolution mapping of the seafloor in areas including California's mainland State waters and the southern California continental borderland. Data include comprehensive multibeam bathymetry, seismic-reflection, and marine magnetic data in numerous offshore areas. Most of these data have been processed, merged, and released by the USGS in maps, data releases, and journal publications in support of the California Seafloor Mapping Program and the U.S. West Coast and Alaska Marine Geohazards Project. Improved data coverage has allowed researchers to better map offshore faults in areas previously unmapped or covered only by low-resolution data. Additionally, subsurface imaging and seafloor sampling has led to better understanding of fault kinematics and recency of deformation, which are critical for accurately assessing California's seismic and coastal hazards.",
    "lang": null,
    "journal": null,
    "pwid": null,
    "originator": [
        {
            "name": "Walton, Maureen A. L.",
            "role": "Author"
        },
        {
            "name": "Papesh, Antoinette G.",
            "role": "Author"
        },
        {
            "name": "Johnson, Samuel Y.",
            "role": "Author"
        },
        {
            "name": "Conrad, James E.",
            "role": "Author"
        },
        {
            "name": "Brothers, Daniel S.",
            "role": "Author"
        }
    ],
    "index_term": [
        {
            "thcode": 2,
            "code": "287",
            "name": "earth characteristics",
            "scope": "The measurable, definable properties and features of the earth."
        },
        {
            "thcode": 2,
            "code": "304",
            "name": "earthquakes",
            "scope": "Ground shaking caused by the sudden release of accumulated strain by an abrupt shift of rock along a fracture in the earth or by volcanic or magmatic activity, or other sudden stress changes in the earth."
        },
        {
            "thcode": 2,
            "code": "451",
            "name": "geologic processes",
            "scope": "All types of processes involving geological structures."
        },
        {
            "thcode": 2,
            "code": "474",
            "name": "geospatial datasets",
            "scope": "Collections of related digital information that are geographically referenced."
        },
        {
            "thcode": 2,
            "code": "531",
            "name": "hazards",
            "scope": "Potential dangers from both natural processes (e.g., earthquakes, floods, and climate change) and human impacts on the environment."
        },
        {
            "thcode": 2,
            "code": "706",
            "name": "marine geology",
            "scope": "Branch of geology concerned with the composition, geologic history, and earth processes of the ocean floor and the continental margin."
        },
        {
            "thcode": 2,
            "code": "707",
            "name": "marine geophysics",
            "scope": "Branch of earth sciences concerned with the physical processes of the oceans and continental margins.  We include here studies of large bodies of brackish and fresh water, such as lakes and rivers."
        },
        {
            "thcode": 2,
            "code": "824",
            "name": "oceanic lithosphere",
            "scope": "The solid outer zone of the earth, covered by seawater, and comprised of the crust and the upper layer of the mantle."
        },
        {
            "thcode": 2,
            "code": "2079",
            "name": "scientific interpretation",
            "scope": "Application of scientific judgment as to the meaning of observations or models. Use for interpretations that are provided in formats similar to data, such as geospatial data."
        },
        {
            "thcode": 2,
            "code": "1025",
            "name": "sea-floor characteristics",
            "scope": "Geomorphic features and geographic, compositional, and textural variation in the materials composing the ocean floor. Includes both large-scale structures (such as seamounts and rises) and fine-scale variations in rocks and deposits on the sea floor."
        },
        {
            "thcode": 15,
            "code": "008",
            "name": "geoscientificInformation",
            "scope": "Information pertaining to earth sciences, for example geophysical features and processes, geology, minerals, sciences dealing with the composition, structure and origin of the earth's rocks, risks of earthquakes, volcanic activity, landslides, gravity information, soils, permafrost, hydrogeology, groundwater, erosion"
        },
        {
            "thcode": 15,
            "code": "014",
            "name": "oceans",
            "scope": "Features and characteristics of salt water bodies (excluding inland waters), for example tides, tidal waves, coastal information, reefs, maritime, outer continental shelf submerged lands, shoreline"
        },
        {
            "thcode": 23,
            "code": "3",
            "name": "Distributions",
            "scope": "Locations or patterns of a feature of interest across space and (or) time. These data can include point data, lines, polygons, and temporal data at any scale relevant to CMSP and can be produced by observation, interpolation, or modeling. Distributions can also include maps or statistics of climatology, the environmental values that are expected to be observed at the present time."
        },
        {
            "thcode": 61,
            "code": "332",
            "name": "earthquake effects",
            "scope": "the impacts of earthquakes on humans and infrastructure."
        },
        {
            "thcode": 61,
            "code": "333",
            "name": "earthquake prediction",
            "scope": "efforts to specify, within limits, the timing, magnitude, and location of the \"next\" earthquake; not to be confused with earthquake forecasting, which is a more general probabilistic assessment."
        },
        {
            "thcode": 61,
            "code": "194",
            "name": "geological features",
            "scope": "features associated with a particular geologic phenomenon, origin, or interpretation."
        },
        {
            "thcode": 61,
            "code": "428",
            "name": "geologic mapping",
            "scope": "the collection and synthesis of field observations to determine the distribution, structure, and age of earth materials in a study area."
        },
        {
            "thcode": 61,
            "code": "711",
            "name": "geology",
            "scope": "the study of the Earth's structure, composition, past and present processes, and history."
        },
        {
            "thcode": 61,
            "code": "734",
            "name": "geophysics",
            "scope": "physics applied to the study of the Earth."
        },
        {
            "thcode": 61,
            "code": "323",
            "name": "hazards and disasters",
            "scope": "used for natural hazards, the risks they pose to society, and the destructive events that may result."
        },
        {
            "thcode": 61,
            "code": "4",
            "name": "natural agents of coastal change",
            "scope": "natural phenomena that cause changes in coastal processes, landscapes, and ecosystems."
        },
        {
            "thcode": 61,
            "code": "437",
            "name": "oceanographic observations",
            "scope": "used for field observations related to all aspects of oceanography: physical, chemical, and biological; may also be used for field studies of freshwater bodies that use oceanographic techniques."
        },
        {
            "thcode": 61,
            "code": "478",
            "name": "seismic methods",
            "scope": "the study of naturally occurring or artificially induced seismic waves, generally for one of two purposes: 1) understanding the nature and cause of seismic activity (e.g., earthquakes), or 2) understanding the properties of the earth materials through which the seismic waves have passed."
        }
    ],
    "place_term": [],
    "image": [
        {
            "name": "https:\/\/www.sciencebase.gov\/catalog\/file\/get\/5d38b842e4b01d82ce8b9b56?name=qFaults_offshore_california_2020_map.png&allowOpen=true",
            "description": "Map of qFaults Offshore 2020 coverage"
        }
    ],
    "fan": []
}