Section 2.3: Geomagnetism

Frequently Asked Questions (FAQs)

A list of frequently asked questions (FAQs) to the Earth's magnetic field.

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IGRF Declination Calculator

The IGRF declination calculator is based on the International Geomagnetic Reference Field and is an interactive tool to provide estimates of magnetic field declination, inclination and intensity for any location on Earth and times between 1900 and 2025.

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[Translate to English:] Illustration Kp Index plot and polar lights
Geomagnetic Kp Index

Indices of the global geomagnetic activity.

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Data-based geomagnetic core field models for current and past times provide information on geomagnetic field evolution and are used to study underlying processes. Lithospheric field models can be interpreted in terms of geology and tectonics.

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Observatory Data

GFZ German Research Centre for Geosciences operates and supports geomagnetic observatories worldwide. We provide unique and important scientific data for the investigation of Earth's interior and near-Earth space, as well as for navigation, exploration and the monitoring of space weather.

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The GEOMAGIA50 database is an international collaboration to provide easy access to published archeomagnetic/volcanic and sediment paleomagnetic and chronological data for the past 50 ka.

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