The magnetic storm reached G3 level and became the strongest in two months.

The magnetic storm that began the night before intensified to the G3 level, which corresponds to a strong geomagnetic storm. This was announced on March 21 at the Laboratory of Solar Astronomy at the Institute of Space Research (IKI) of the Russian Academy of Sciences.

"At night, an event (magnetic storm. — Ed.) crossed the psychologically significant G3 threshold separating severe storms from medium-level events. The last time this happened was just over two months ago — from January 19 to January 21, 2026," the Telegram channel said.

According to scientists, the storm is caused by the arrival of a plasma cloud to the Earth, ejected by the Sun at the beginning of the week. The peak intensity of the auroras occurred in the period from 00:30 to 02:30 Moscow time, when the brightness of the auroral oval reached the highest score — 10.

Experts noted that, despite the shift of the aurora zone towards Europe, many images were received not only from the northern and northwestern regions, but also from the central part of Russia, including the latitudes of Moscow.

"There are no grounds for stopping the storm at the moment: the parameters of the plasma and the interplanetary magnetic field in the vicinity of the Earth continue to be at a very disturbed level. Globally, the geomagnetic storm is forecast to last all weekend," the laboratory added.

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On the same day, the Institute of Applied Geophysics said that an increase in the degree of disturbance of the magnetic field was recorded on Earth. It was noted that the degree of disturbance of the Earth's magnetic field increased from the level of G1 to G2.

All important news is on the Izvestia channel in the MAX messenger.