The South Atlantic Anomaly (SAA), a region where Earth’s magnetic field is weakening, extends across South America and the southern Atlantic Ocean. Recent findings indicate an increase in its size, with the U.S. National Oceanic and Atmospheric Administration (NOAA) reporting a 5% westward expansion over the past three years as of January 2023. The anomaly’s […]
Increase in magnetic anomaly across South America and the southern Atlantic Ocean
