Space Weather
Geomagnetic storm triggers auroras in Mexico
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A severe geomagnetic storm, triggered by a solar coronal mass ejection, lit up the skies with auroras borealis in Mexico and the northern hemisphere on November 11, 2025. Images of green and purple colors were captured in states like Zacatecas and Nuevo León, while in the United States they were seen in Colorado and Kansas. UNAM and NOAA experts indicate that effects will continue more faintly on November 12 and possibly on the 13th.
New data from the European Space Agency's Swarm satellites reveal that the South Atlantic Anomaly, a weak spot in Earth's magnetic field, has grown by nearly half the size of continental Europe since 2014. A region southwest of Africa is weakening even faster in recent years. This expansion highlights unusual activity in Earth's molten outer core.
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Researchers at Kyoto University have suggested a possible connection between solar flares and earthquakes through ionospheric disturbances. Their theoretical model indicates that electrostatic forces from space weather could influence stressed fault zones in Earth's crust. The study does not claim direct causation but highlights a potential interaction mechanism.
A butterfly-shaped coronal hole appeared on the Sun, as reported in solar activity updates.
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Scientists have uncovered hidden engines responsible for solar electron acceleration, addressing space weather risks. The findings were reported on September 3, 2025. This advances understanding of solar phenomena.