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Massive X8.1 Solar Flare Erupts from Sunspot Region 4366 | Massive X8.1 Solar Flare Erupts from Sunspot Region 4366

Space Weather / Solar Activity

Massive X8.1 Solar Flare Erupts from Sunspot Region 4366

On February 1, 2026, sunspot region 4366 unleashed a powerful X8.1 solar flare, classified as an R3 (strong) radio blackout event. This event follows earlier M-class and X-class flares from the same region, making it a focal point for space...

Massive X8.1 Solar Flare Erupts from Sunspot Region 4366 Image via NOAA (National Oceanic and Atmospheric Administration) (.gov)
Space Weather Activity Story for the Week of 1-7 February, 2026
Geomagnetic Storms Solar Activity Solar Flares