New 3D map offers clues about anomalies in Earth’s magnetic field

Researchers are revealing in a recent three-dimensional map of the Earth’s lithospheric magnetic field, created using data from a trio of satellites collectively known as Swarm. The result is a map that does not look uniform at all, offering new clues and more questions about how our lithosphere’s magnetic field has changed over the course of geological history.

Red represents areas where the lithospheric magnetic field is positive, while blues show areas where it is negative.


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