Long-duration M4.2 solar flare erupts from Region 3575
A long-duration M4.2 solar flare erupted from Active Region 3575 at 03:12 UTC on February 6, 2024. The event started at 02:37 UTC and ended at 03:37.
M6.7 solar flare erupts from Region 3559, producing S2 – Moderate solar radiation storm
A moderately strong solar flare measuring M6.7 erupted from Active Region 3559 (beta-gamma) at 04:38 UTC on January 29, 2024. The event started at 03:54 and ended at 05:15 UTC.
Multiple M-class solar flares and CMEs, possible CME impact on December 27
Multiple M-class solar flares and CMEs were recorded on December 24, 2023. Forecasts indicate potential geomagnetic disturbances with a grazing blow expected late on December 27, 2023.
Moderately strong M4.2 solar flare erupts from Region 3519
A moderately strong solar flare measuring M4.2 erupted from Active Region 3519 at 05:38 UTC on December 21, 2023. The event started at 05:19 and ended at 05:49 UTC.
M5.8 solar flare and multiple CMEs, minor geomagnetic storms expected by December 16
Solar activity increased to high levels in 24 hours to 12:30 UTC on December 14, 2023, with M5.8 solar flare at 07:44 UTC from Region 3514 and multiple coronal mass ejections (CMEs).
Impulsive M5.4 solar flare erupts from Region 3511, multiple filament eruptions
An impulsive solar flare measuring M5.4 erupted from Active Region 3511 at 23:07 UTC on December 8, 2023. The event started at 22:57 UTC and ended at 23:14.
M9.8 solar flare erupts from geoeffective Region 3500, Earth-directed CME likely
A very strong solar flare measuring M9.8 erupted from Active Region 3500 at 19:50 UTC on November 28, 2023. The event started at 19:35 UTC and ended at 20:09 UTC.
Strong M8.7 solar flare erupts from Region 3435
A strong solar flare measuring M8.7 erupted from Active Region 3435 at 12:54 UTC on September 21, 2023. The event started at 12:42 and ended at 13:02 UTC. This is the second M8+ solar flare since M8.2 at 14:11 UTC on September 20.
Strong M8.2 solar flare erupts from Region 3435
An impulsive solar flare measuring M8.2 erupted from Active Region 3435 at 14:19 UTC on September 20, 2023. The event started at 14:11 and ended at 14:25 UTC.
Double-peaked, long-duration M5.7 solar flare from AR 3363 produced asymmetric halo CME, S2 – Moderate solar radiation storm
A double-peaked, long-duration solar flare measuring M5.7 erupted from Active Region 3363 (beta-delta) at 00:06 UTC on July 18, 2023, producing an asymmetric halo CME and S2 – Moderate solar radiation storm.
