SUMMARY: Geomagnetic Sudden Impulse

A Geomagnetic Sudden Impulse was observed on October 10, 2026, at 1516 UTC, with a deviation of 56 nT at the NGK station. This event is significant for sky-watchers because it indicates a sudden change in the Earth's magnetic field, which can impact aurora activity and visibility. Sky-watchers in high-latitude regions may want to monitor aurora forecasts for potential increased activity.