Scientific Services

Geomagnetic 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.

Teaser image Kp Index

Kp Index (standard and real time)

Indices of the global geomagnetic activity.

Teaser image: old compass on declination map

IGRF declination calculator

IGRF declination calculator after the international geomagnetic reference field, generation 12 from 1900 - 2020.

Geomagnetic Field Models

Current Models of the Earth's magnetic main and lithospheric field. continuous, respectively long term, epoch based or constant.


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.

Teaser image FAQ

Frequently Asked Questions

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



Profile photo of  Prof. Dr. Claudia Stolle

Prof. Dr. Claudia Stolle

Behlertstraße 3a
Building K 3, room 006
14467 Potsdam
tel. +49 331 288-1230