Last updated
December 31, 1979
Terms of use
Open use. Must provide the source. Use for commercial purposes requires permission of the data owner.


Geomagnetic maps are the result of measurements of total intensity, declination and inclination. The geomagnetic field is defined by a vector, which isrepresented in terms of its direction and intensity (nT). Because the Earth's magnetic field changes over time, the data in this map always relates to a specific time period. The values can be adapted using correction formulae which have experimentally determined. Paper map: G. Fischer & P.-A. Schnegg, 1979 (explanatory text on the back of the map). Vector map: 2001.


Additional information

Issued date
December 31, 1979
Modified date
Bundesamt für Landestopografie
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