M7.6 solar flare erupts from Region 3981

A 10 cm Radio Burst (tenflare) with a peak flux of 8 100 sfu and lasting…

Moderately strong M8.8 solar flare erupts from Active Region 3981

There were no radio signatures that would suggest a coronal mass ejection (CME) was produced during…

Earth-facing Active Region 3977 produces M5.1 solar flare

An impulsive solar flare registered as M5.1 erupted from Active Region 3977 at 14:04 UTC on…

Strong M6.7 solar flare erupts from Region 3978, CME produced

A Type II Radio Emission with an estimated velocity of 673 km/s was associated with the…

G1 – Minor geomagnetic storm watch in effect

A G1-minor geomagnetic storm watch is in effect for January 31 and February 1 due to…

Earth-directed CME produced by M3.3 solar flare

A coronal mass ejection (CME) produced by the M3.3 solar flare at 10:39 UTC on January…

Impulsive M7.4 solar flare erupts from Region 3964

Solar activity increased again on January 17, with 5 M-class solar flares from 02:11 UTC to…

Major X1.8 solar flare erupts from AR 3947 – third X-class in a day

A large coronal mass ejection (CME), with an estimated velocity of 314 km/s, was produced during…

Major X1.1 solar flare erupts from Region 3947, G1 geomagnetic storm in progress

A major solar flare measuring X1.1 erupted from Active Region (AR) 3947 at 22:41 UTC on…

Major X1.2 solar flare erupts from NE limb – first X-class flare of 2025

There were no radio signatures that would suggest a coronal mass ejection (CME) was produced. Even…