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Federal
Declination Calculator recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Declination is calculated using the current International Geomagnetic Reference Field (IGRF) model. Declination is calculated using the current World Magnetic Model... -
Federal
EMAG2v3: Earth Magnetic Anomaly Grid (2-arc-minute resolution) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
EMAG2v3 is a global Earth Magnetic Anomaly Grid compiled from satellite, ship, and airborne magnetic measurements. It is a significant update of the previous release... -
Federal
Worldwide Well Logs with Values of Conductivity, Bulk Density, Porosity, Grain Density, Resistivity, and Sonic Ratio Collected by the Ocean Drilling Program (ODP) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
US Historic Declination Calculator recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This programs derives a table of secular change in magnetic declination for a specified point in the conterminous United States. It utilizes the USD polynomial and... -
Federal
World Magnetic Model 2020 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The World Magnetic Model is the standard model used by the U.S. Department of Defense, the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and... -
Federal
Values of Kp Indices, Ap Indices, Cp Indices, C9 Indices, Sunspot Number, and 10.7 cm Flux recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This data file consists of Kp indices, Ap indices, Cp indices, C9 indices, sunspot number, and 10.7 cm flux. The most often requested parameter of this file are the... -
Federal
International Geomagnetic Reference Field - 11th Generation recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The eleventh generation of the International Geomagnetic Reference Field (IGRF) was adopted in December 2009 by the International Association of Geomagnetism and... -
Federal
Worldwide Database of Analog Marine Seismics, Bathymetry, Magnetics, and Gravity Data recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
Magnetic Field Calculator recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Magnetic Field Calculator will calculate the total magnetic field, including components (declination, inclination, horizontal intensity, northerly intensity,... -
Federal
Data on the Earth's Magnetic Field and its Secular Change since 1800 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Information on the past and present orientation of the Earth's magnetic field is available from the National Geophysical Data Center (NGDC) which serves as the... -
Federal
Marine Trackline Geophysical Database NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is... -
Federal
Crustal Ages of the Ocean Floor - Poster recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
Geomagnetic Observatory One Minute Data recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
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Federal
AA Geomagnetic Activity Indices From Two Antipodal Observatories in Australia and England recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, indices that are based on the data... -
Federal
Aeromagnetic Regional Grid Data recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Several regions are represented in this unique collection of earth surface measurements of magnetic field parameters and their related anomalies. The DNAG Magnetics... -
Federal
Values of the Earth's Magnetic Field Components X, Y, and Z Recorded in Finland recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set was generated by the Finish Academy of Science from magnetic data collected during the International Magnetospheric Study, 1976-1978. The data were... -
Federal
Values for the 15-minute Index of Geomagnetic Activity at High Latitude Stations (Geomagnetic Latitude 58 Degrees) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, Q indices from Sodankyla. These data... -
Federal
Geomagnetic Absolute Mean Values at Hourly Intervals from 220 Observatories Worldwide recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
A Report on Geomagnetic Observatories, 1995 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Report on the status of world wide geomagnetic observatories
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