During the night of October 14, 2025, a significant M2.0 class solar flare was observed on the Sun. This notable event, which occurred at 03:41 Moscow time, was reported by scientists at the Laboratory of Solar Astronomy of the Space Research Institute (IKI) of the Russian Academy of Sciences.
The M2.0 flare signifies a period of heightened solar activity. Prior to this powerful burst, four smaller C-class flares had already been detected earlier on the same day. The preceding day, October 13, also witnessed considerable solar activity, recording 20 C-class flares and three M-class flares, the most intense of which reached an M2.7 rating.
© Photo: NASA/SDO. An image of a solar flare (archive photo).
Solar flares are powerful eruptions of radiation from the Sun`s surface. While this radiation does not penetrate Earth`s atmosphere to pose a direct physical threat to humans, intense flares can disrupt the ionosphere, affecting communication systems, GPS signals, and potentially power grids on Earth. M-class flares are considered medium-sized events, capable of causing minor to moderate radio blackouts and, if accompanied by a coronal mass ejection (CME), can lead to geomagnetic storms.
Researchers at IKI RAN continue to monitor these celestial phenomena closely to enhance our understanding of space weather and its potential implications for technological infrastructure and space exploration. The recent surge in flare activity underscores the dynamic and ever-changing nature of our star.
