National Geophysical Data Center (NGDC), NOAA Satellite and Information Service

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Worldwide Database of Analog Marine Seismics, Bathymetry, Magnetics, and Gravity Data

The Analog Marine Geophysical Underway data file consists primarily of seismic data and some bathymetry, magnetics, and gravity data. Most of the data are released to NGDC in microform packages; microfilm, microfiche exceptions include deep penetration seismic record sections and maps released in full or half scale. The data cover approximately 5 million miles of worldwide oceans and have been collected by various academic institutions, government agencies and foreign governments. Data are quality checked, master and backup copies produced and disseminated upon request. These seismic data include Lease Sale (LS) data which are a collection of marine geophysical data in a particular area and common depth point (CDP) data consisting of multichannel high-resolution underway seismic records. Shot-point navigation and occasionally annotated bathymetry accompany the seismic data. The data were released mainly from the US Geological Survey (USGS), and the Minerals Management Service (MMS). Output Media: sections, maps, 35-mm microfilm, magnetic tapes, text and microfiche. In most cases, the microfilm has been scanned and data available as tiff images.

Cite this dataset when used as a source.

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    Distribution Formats
    • SEG-Y
    • TIFF
    Distributor DOC/NOAA/NESDIS/NGDC - National Geophysical Data Center
    Point of Contact Robin Warnken
    DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
    303 497-6338
    Robin.R.Warnken@noaa.gov
    Documentation links not available.
    Originator
    • DOI/USGS>U.S. Geological Survey, U.S. Department of the Interior
    Publisher
    • DOC/NOAA/NESDIS/NGDC - National Geophysical Data Center
    Date(s)
    • publication: 1976-01-01
    Edition: First
    Dataset Progress Status Under development
    Data Update Frequency: Irregular
    Purpose: Marine Geophysical Underway Research, Exploration
    Use Limitations
    • While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
    Time Period: 1950-01-01  to  Present
    Spatial Bounding Box Coordinates:
    N: 90.000000
    S: -90.000000
    E: 180.000000
    W: -180.000000
    Spatial Coverage Map:
    Themes
    • EARTH SCIENCE>SOLID EARTH>Geodetics/Gravity>Gravitational Field
    • EARTH SCIENCE>OCEANS>Bathymetry/Seafloor Topography>Bathymetry
    • EARTH SCIENCE>SOLID EARTH>Seismology
    • EARTH SCIENCE>OCEANS>Bathymetry>Water Depth
    • EARTH SCIENCE>OCEANS>Bathymetry>Seafloor Topography
    • EARTH SCIENCE>OCEANS>Marine Geophysics>Magnetic Anomalies
    • EARTH SCIENCE>SOLID EARTH>Geodetics/Gravity>Gravity
    • EARTH SCIENCE>SOLID EARTH>Geomagnetism>Magnetic Anomalies
    • EARTH SCIENCE>SOLID EARTH>Geomagnetism>Magnetic Declination
    • EARTH SCIENCE>SOLID EARTH>Geomagnetism>Magnetic Inclination
    • EARTH SCIENCE>SOLID EARTH>Geomagnetism>Magnetic Intensity
    • EARTH SCIENCE>SOLID EARTH>Geophysical Fields>Gravity Field
    • EARTH SCIENCE>SOLID EARTH>Geophysical Fields>Magnetic Field
    • EARTH SCIENCE>OCEANS>Marine Geophysics>Marine Gravity Field
    • EARTH SCIENCE>OCEANS>Marine Geophysics>Marine Magnetics
    • EARTH SCIENCE>SOLID EARTH>Tectonics>Stratigraphic Sequence
    • EARTH SCIENCE>SOLID EARTH>Natural Resources>Natural Gas
    • EARTH SCIENCE>SOLID EARTH>Natural Resources>Petroleum
    • EARTH SCIENCE>SOLID EARTH>Geomorphology
    • Deep Sea Drilling Program
    • Earth Science>Interior & Crust
    • WDC/MGG, BOULDER>World Data Center for Marine Geology and Geophysics, Boulder
    • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
    Places
    • Global Ocean
    Use Constraints
    • Use Constraints: None
    Access Constraints
    • Access Constraints: No Constraints
    Fees
    • Depends on the Data Set Depends on the Data Set
    Lineage Statement Lineage statement not available.

    Metadata Last Modified: 2014-11-20

    For questions about the information on this page, please email: Brian.Meyer@noaa.gov