•1 min read•from Oceanography News -- ScienceDaily
A giant weak spot in Earth’s magnetic field is now half the size of Europe
Earth’s magnetic shield is shifting in dramatic ways. New data from ESA’s Swarm satellites show that the South Atlantic Anomaly — a vast weak spot in Earth’s magnetic field — has grown by nearly half the size of continental Europe since 2014. Even more striking, a region southwest of Africa has begun weakening even faster in recent years, hinting at unusual activity deep within Earth’s molten outer core.
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Tagged with
#ocean data
#data visualization
#Earth's magnetic field
#South Atlantic Anomaly
#ESA's Swarm satellites
#magnetic shield
#molten outer core
#continental Europe
#weak spot
#magnetic field weakening
#unusual activity
#geophysical phenomena
#Earth's core
#magnetic anomalies
#accelerated weakening
#data from satellites
#Africa
#data analysis
#satellite observation
#environmental changes