Solar Flare WatchHome › Flare history › 2001
M5.7 solar flare on 2001-10-19
ClassM5.7NOAA report
Peak09:432001-10-19 UTC
Duration20 min
Peak flux5.7e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 44 / 2429 |
| Other M/X flares that day | 7 |
| M/X flares that month | 36 |
| Solar cycle | Cycle 23 |
| Position on disk | S14W47 |
| Active region | AR 9658 (17 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 |
|---|---|---|---|---|---|---|
| 00:47 | 01:05 | 26 | X1.6 | N16W18 | 9661 | |
| 02:20 | 02:32 | 26 | M1.2 | – | – | |
| 02:52 | 02:58 | 11 | M1.4 | N16E17 | 9671 | |
| 03:14 | 03:16 | 4 | M1.0 | – | – | |
| 06:35 | 06:45 | 18 | M1.3 | – | 9658 | |
| 16:13 | 16:30 | 30 | X1.6 | N15W29 | 9661 | |
| 23:14 | 23:25 | 19 | M3.3 | S17W57 | 9658 |
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.
← X1.6 2001-10-19X1.6 2001-10-19 →
About this page
A M5.7 flare that began 2001-10-19 09:35 UTC; No. 44 of 2,429 C-class-or-larger flares in 2001.