Solar Flare WatchHome › Flare history › 2012
X1.3 solar flare on 2012-03-07
ClassX1.3NOAA report
Peak01:142012-03-07 UTC
Duration18 min
Peak flux1.3e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 315 / 491 |
| Rank in year | 5 / 1388 |
| Other M/X flares that day | 1 |
| M/X flares that month | 22 |
| Solar cycle | Cycle 24 |
| Position on disk | N22E12 |
| Active region | AR 11430 (2 flares) |
Compared with the strongest flares of 2012
X5.4
X1.8
X1.7
X1.4
X1.3
X1.1
X1.1
M9.0
M8.7
M8.4
M7.9
M7.7
Other M/X flares that day
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.
← X5.4 2012-03-07M6.3 2012-03-09 →
About this page
A X1.3 flare that began 2012-03-07 01:05 UTC; No. 5 of 1,388 C-class-or-larger flares in 2012.