Impulsive X2.0 solar flare erupts from the Sun’s northwest limb

This is the fourth and the strongest solar flare so far this year, following X1.2 on…

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…