Halloween Geomagnetic Storm May Spark Auroras
Halloween Geomagnetic Storm May Spark Auroras
US · Published Oct 30, 2026
• A geomagnetic storm is forecast to occur on Halloween, October 31, 2026, as a stream of solar wind from a coronal hole in the sun's atmosphere is expected to impact Earth.
• The storm is predicted to reach category G1 levels, which could result in auroras visible at high latitudes.

Impact & Risks

The geomagnetic storm is expected to primarily affect high-latitude regions, where auroras may be visible. While the storm is categorized as G1, which is considered minor, it could still cause minor disruptions to satellite operations and power grid fluctuations. People living in areas closer to the poles may experience the most significant effects, including potential impacts on radio communications and navigation systems. However, the storm is not expected to pose serious risks to infrastructure or human safety.

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