Found 20 datasets matching "Earth Science > Interior & Crust".
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The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, indices that are based on the data from two approximately...
Search relevance: 42.45 | Views last month: 0 -
The Crustal Ages of the Ocean Floor Poster was created at NGDC using the Crustal Ages of the Ocean Floor database draped digitally over a relief of the ocean floor database. The Crustal Ages of...
Search relevance: 40.27 | Views last month: 2 -
The geomagnetic aa indices are the continuation of the series beginning in the year 1868. A full description of these indices is given in the International Association of Geomagnetism and Aeronomy...
Search relevance: 40.20 | Views last month: 2 -
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, Q indices from Sodankyla. These data are available from July 1957...
Search relevance: 39.78 | Views last month: 0 -
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives the K indices on a current basis from approximately 85 observatories. The K index is a...
Search relevance: 39.47 | Views last month: 0 -
This file is comprised of the variation one minute values of the geomagnetic components X, Y and Z. These data were calculated by the Air Force Geophysics Laboratory magnetometer network during...
Search relevance: 39.31 | Views last month: 0 -
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives on a monthly basis, the KM, KN, KS indices from Institue De Physique Du Globe, Paris,...
Search relevance: 39.07 | Views last month: 0 -
These data are generated as part of the International Magnetospheric Study. The file consists of 10-second instantaneous measurements for the geomagnetic components D, H, X, Y, Z and R. The 10...
Search relevance: 38.90 | Views last month: 1 -
Well log data from the U.S. outer continental shelf commercial wells, and continental offshore stratigraphic test (cost) wells. Product Description: geophysical measurements of lithologic...
Search relevance: 38.41 | Views last month: 0 -
The file is comprised of instantaneous absolute values of the geomagnetic components D, H, and Z or X, Y, and Z at 1-minute intervals. These values were derived either from analog recordings...
Search relevance: 37.91 | Views last month: 0 -
The study of magnetism is one of the oldest of the geophysical sciences. It is unique among the sciences in that ancient records of the geomagnetic field are preserved in rocks and changes in the...
Search relevance: 37.80 | Views last month: 0 -
This data file is comprised of instantaneous values of the geomagnetic components D, H, and Z or X, Y, and Z at 2.5-minute intervals. These values were derived from analog recordings...
Search relevance: 37.40 | Views last month: 0 -
This file is comprised of absolute mean hourly values of the geomagnetic components D, H and Z or X, Y and Z. These values, on magnetic tape, are available from approximately 220 of the 400...
Search relevance: 37.36 | Views last month: 1 -
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as...
Search relevance: 37.15 | Views last month: 1 -
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives magnetograms from over 200 geomagnetic observatories. The Center archives data from...
Search relevance: 36.37 | Views last month: 1 -
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as...
Search relevance: 35.34 | Views last month: 2 -
The NOAA National Centers for Environmental Information decommissioned the Seismicity Catalog Collection, 2150 BC to 1996 AD on May 05, 2025 with no further updates. Upon termination, the...
Search relevance: 34.20 | Views last month: 1 -
The Significant Earthquake Database is a global listing of over 5,700 earthquakes from 2150 BC to the present. A significant earthquake is classified as one that meets at least one of the...
Search relevance: 34.16 | Views last month: 1 -
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;...
Search relevance: 27.62 | Views last month: 0 -
World-wide digital well log data collected for the Ocean Drilling Program (ODP) by Schlumberger Offshore Services under contract to Texas A&M University. The data were in turn converted to ASCII...
Search relevance: 21.69 | Views last month: 0
