Solar Flare WatchHome › Flare history › 2017
M5.7 solar flare on 2017-04-02
ClassM5.7NOAA report
Peak20:332017-04-02 UTC
Duration12 min
Peak flux5.7e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 13 / 415 |
| Other M/X flares that day | 3 |
| M/X flares that month | 7 |
| Solar cycle | Cycle 24 |
Compared with the strongest flares of 2017
X14.6
X12.9
X3.2
X2.1
X1.2
X1.2
M8.4
M6.4
M6.0
M5.8
M5.8
M5.8
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 07:50 | 08:02 | 23 | M5.3 | N12W59 | 12644 | |
| 12:52 | 13:00 | 19 | M2.3 | – | – | |
| 18:18 | 18:38 | 70 | M2.1 | N16W68 | 12644 |
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.
← M5.3 2017-04-02M5.8 2017-04-03 →
About this page
A M5.7 flare that began 2017-04-02 20:26 UTC; No. 13 of 415 C-class-or-larger flares in 2017.