Glancing blow expected from CME produced by major X8.2 solar flare

A major X8.2 solar flare that erupted at 16:06 UTC on September 10, 2017 from Region…

S3 – Strong solar radiation storm in progress, active alert for aircrews and pregnant passengers

A powerful X8.2 solar flare erupted from Region 2673, located just around the visible disk, at…

4th X-class flare: X8.2 erupts from Region 2673, second strongest of the cycle

A major solar flare measuring X8.2 at its peak time erupted from Active Region 2673 at…

Strong M8.1 solar flare erupts from Region 2673

A strong solar flare measuring M8.1 at its peak erupted from Active Region 2673 at 07:49…

G4 – Severe geomagnetic storming observed as CME from X9.3 flare impacts Earth

A Coronal Mass Ejection (CME) produced by the X9.3 solar flare on September 6, 2017, reached…

3rd X-class solar flare: Major X1.3 flare erupts from Region 2673

A major solar flare measuring X1.3 at its peak time erupted from Region 2673 at 14:36…

Impulsive M7.3 solar flare erupts from Region 2673

An impulsive solar flare measuring M7.3 at its peak time erupted from Region 2673 at 10:15…

Shock arrival from September 4 Coronal Mass Ejection

The coronal mass ejection (CME) produced by the M5.5 solar flare on September 4, 2017 arrived…

Major X-class flare: X9.3 from geoeffective AR 2673, CME produced – the strongest flare of the current cycle

A major X-class solar flare erupted from geoeffective Active Region 2673 peaking as X9.3 at 12:02…

Powerful, long-duration X2.2 solar flare erupts from geoeffective AR 2673

A powerful, long-duration solar flare measuring X2.2 at its peak time erupted from geoeffective Active Region…