Solar Storms at M1.2 Solar Flare
Reported by DONKI today.
What the source measured
DONKI reported: M1.2 solar flare detected. Minor HF radio degradation on sunlit side of Earth.
How we know
Confirmed by 2 independent sources, including DONKI.
Our own score for this event is 17 out of 100, at 55 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Solar Storms |
| Severity | Medium |
| Calamity Score (ours) | 17 / 100 |
| Our confidence | 55% |
| Coordinates | 0.0000, 0.0000 |
| Timestamp | 2026-09-04T07:53:00.000Z |
| Source | https://kauai.ccmc.gsfc.nasa.gov/DONKI/view/FLR/48516/-1 |
Score Breakdown
Technical Details
| Scale | R1 |
| ClassType | M1.2 |
| EventType | radio_blackout |
| SourceLocation | N14E71 |
| DonkiId | 2026-09-04T07:45:00-FLR-001 |
| RadioRisk | minor_degradation |
| Goes Xray FlareClass | M1.2 |
| Goes Xray Letter | M |
| Goes Xray Level | 1.24 |
| Goes Xray PeakFluxWm2 | 0 |
| Goes Xray EnergyBand | 0.1-0.8nm |
| Goes Xray EventType | solar_flare |
| MergedSources | [{"id":"goes_xray_M1.2_29808473","source":"goes_xray","severity":"medium","severityValue":50,"timestamp":1788508380000,"latitude":0,"longitude":0}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens in this area?
Calamity.live data shows a solar storm event with CalamityScore 17/100, at M1.2 Solar Flare, based on data from donki. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.