# Geomagnetic excursion

> change in the Earth's magnetic field

**Wikidata**: [Q1478816](https://www.wikidata.org/wiki/Q1478816)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Geomagnetic_excursion)  
**Source**: https://4ort.xyz/entity/geomagnetic-excursion


## References

1. Freebase Data Dumps. 2013