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X2.0 solar flare on 2001-04-12
ClassX2.0NOAA report
Peak10:282001-04-12 UTC
Duration70 min
Peak flux2.0e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (1975 – Jun 2017) | 197 / 491 |
| Rank in year | 10 / 2429 |
| Other M/X flares that day | 1 |
| M/X flares that month | 46 |
| Solar cycle | Cycle 23 |
| Position on disk | S19W43 |
| Active region | AR 9415 (27 flares) |
Compared with the strongest flares of 2001
X20.0
X14.4
X6.2
X5.6
X5.3
X3.4
X2.8
X2.6
X2.3
X2.0
X1.7
X1.6
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 02:56 | 03:04 | 33 | M1.3 | S22W38 | 9415 |
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.
← X2.3 2001-04-10X14.4 2001-04-15 →
About this page
A X2.0 flare that began 2001-04-12 09:39 UTC; No. 10 of 2,429 C-class-or-larger flares in 2001.