Solar Flare WatchHome › Flare history › 2015
M9.2 solar flare on 2015-03-07
ClassM9.2NOAA report
Peak22:222015-03-07 UTC
Duration50 min
Peak flux9.2e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 3 / 1407 |
| Other M/X flares that day | 0 |
| M/X flares that month | 27 |
| Solar cycle | Cycle 24 |
Compared with the strongest flares of 2015
X2.7
X2.2
M9.2
M8.2
M7.9
M6.6
M5.8
M5.6
M5.6
M5.5
M5.1
M4.9
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
← M8.2 2015-03-03M5.8 2015-03-09 →
About this page
A M9.2 flare that began 2015-03-07 21:59 UTC; No. 3 of 1,407 C-class-or-larger flares in 2015.