Magnetic anomaly
Videos
In geophysics, a magnetic anomaly is a local variation in the Earth's magnetic field resulting from variations in the chemistry or magnetism of the rocks. Mapping of variation over an area is valuable
The Bangui magnetic anomaly in central Africa and the Kursk magnetic anomaly in eastern Europe (both in red)
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South Atlantic Anomaly
Videos
The South Atlantic Anomaly is an area where Earth's inner Van Allen radiation belt comes closest to Earth's surface, dipping down to an altitude of 200 kilometres. This leads to an increased flux of e
Magnetic anomaly
…World Digital Magnetic Anomaly Map (WDMAM) Notable anomalies: Bangui magnetic anomaly Kursk Magnetic Anomaly Levantine Iron Age Anomaly South Atlantic Anomaly Temagami Magnetic Anomaly Magnetic anomaly detector…
Magnetic field intensity at Earth's surface in 2014 (top) and 2025 (bottom), as measured by ESA's SWARM spacecraft. The SAA has strengthened and expanded since 2014.