The South Atlantic Anomaly · A Dent in Earth's Shield
unseel.com · geomagnetic field · Van Allen belt · geodynamo
Field min 22,000 nT
Drift ~20 km/yr W
Feature
Earth & oceans
Field lines
Weak dent (SAA)
Trapped particles
Unseel.com · South Atlantic Anomaly Unseel.com · The South Atlantic Anomaly — Interactive 3D Animation | Unseel