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This magnetic anomaly, primarily located over the South Atlantic Ocean, extends over parts of South America, particularly affecting the eastern coasts of Brazil and Argentina. NASA has monitored this area closely due to its implications for satellites and the International Space Station. The anomaly is characterized by a dip in the Van Allen radiation belts, which are regions of energetic charged particles trapped by the Earth’s magnetic field. By moving closer to Earth’s surface, these belts expose orbiting spacecraft to higher radiation levels.