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International Geomagnetic Reference Field (IGRF-12)


Selection

Magnetic North, Geomagnetic and Magnetic Poles

IAGA V-MOD Geomagnetic Field Modeling: International Geomagnetic Reference Field IGRF
Internatinal Geomagnetic Reference field: the 12th generation, Earth, Planets and Space 2015, 67:79

Model field at a point by IGRF

Transformation of Coordinate    [Geographic <-> Geomagnetic (Dipole)]

Coefficients (1900-2015)/IGRF-12:    Html Version   Text Version   MS Excel Version

Fortran program by IAGA V-MOD Geomagnetic Field Modeling

Magnetic Charts (2010.0)

Geomagnetic Element (2015.0) Mercator Projection Northern Hemisphere Southern Hemisphere
Total Intensity (F) GIF, PDF GIF, PDF GIF, PDF
Declination (D) GIF, PDF GIF, PDF GIF, PDF
Inclination (I) GIF, PDF GIF, PDF GIF, PDF
Horizontal Component (H) GIF, PDF GIF, PDF GIF, PDF
Vertical Component (F) GIF, PDF GIF, PDF GIF, PDF
Northward Component (X) GIF, PDF GIF, PDF GIF, PDF
Eastward Component (Y) GIF, PDF GIF, PDF GIF, PDF

Animation of secular variation in geomagnetic total intensity for the last 400 years. (392kB)