M6.5 solar flare erupts from AR 3576, G2 – Moderate geomagnetic storm watch

A moderately strong M6.5 solar flare erupted from Active Region 3576 at 03:48 UTC on February…

Complex filament eruption produced Earth-directed CME, impact expected late January 22

A coronal mass ejection produced by a filament eruption on January 20, 2024, is expected to…

Solar filament eruption produces Earth-directed CME

An approximately 25 degrees in length solar filament centered near S35W09 began erupting after 09:00 UTC…

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…

S2 – Moderate solar radiation storm following M6.7 solar flare

Following the M6.7 solar flare from Active Region 3559 on January 29, 2024, enhanced proton levels…

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,…

Long-duration M5.1 solar flare erupts from Region 3575

A long-duration M5.1 solar flare erupted from Active Region 3575 at 03:31 UTC on February 7,…

Major X3.3 solar flare erupts behind the SW limb, S2 – Moderate solar radiation storm

A powerful solar flare measuring X3.3 erupted behind the SW limb of the Sun (AR 3575)…

Strong M9.0 solar flare erupts from geoeffective Region 3576

A strong solar flare measuring M9.0 erupted at 23:07 UTC on February 10, 2024, from geoeffective…

Major X5.0 solar flare erupts from Region 3536 — the strongest flare of Solar Cycle 25

A major X5.0 solar flare erupted from Active Region 3536 at 21:55 UTC on December 31,…