Solar Flare WatchHome › Flare history › Region ranking
Solar flares from active region 9373
C15
M4
X0
LargestM1.82001-03-21
Span12 days
Flares by day
2
2
1
2
1
4
2
3
2
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2001-03-10 | 15:48 | 16:00 | 20 | C1.5 | S08E67 | 9373 |
| 2001-03-10 | 22:51 | 22:55 | 7 | C1.0 | S10E65 | 9373 |
| 2001-03-12 | 00:02 | 00:10 | 20 | C2.0 | S08E49 | 9373 |
| 2001-03-12 | 02:20 | 02:26 | 9 | C1.1 | S08E48 | 9373 |
| 2001-03-15 | 20:53 | 21:20 | 56 | C1.5 | S09W10 | 9373 |
| 2001-03-16 | 10:33 | 10:41 | 16 | C5.4 | S06W15 | 9373 |
| 2001-03-16 | 15:02 | 15:08 | 9 | C1.2 | S07W15 | 9373 |
| 2001-03-17 | 17:12 | 17:20 | 17 | C3.9 | S08W37 | 9373 |
| 2001-03-18 | 05:16 | 05:24 | 15 | C1.9 | S04W28 | 9373 |
| 2001-03-18 | 07:39 | 07:48 | 16 | C3.4 | S09W41 | 9373 |
| 2001-03-18 | 08:45 | 08:50 | 8 | C3.1 | S05W27 | 9373 |
| 2001-03-18 | 11:01 | 11:09 | 17 | C1.8 | S08W44 | 9373 |
| 2001-03-19 | 18:40 | 18:45 | 9 | C3.4 | S04W47 | 9373 |
| 2001-03-19 | 23:17 | 23:27 | 15 | C3.2 | S04W49 | 9373 |
| 2001-03-20 | 02:06 | 02:18 | 19 | M1.1 | S05W54 | 9373 |
| 2001-03-20 | 14:57 | 15:07 | 17 | M1.6 | S05W61 | 9373 |
| 2001-03-20 | 20:56 | 21:04 | 16 | M1.5 | – | 9373 |
| 2001-03-21 | 02:28 | 02:37 | 14 | M1.8 | S05W65 | 9373 |
| 2001-03-21 | 11:22 | 11:27 | 10 | C9.8 | S05W70 | 9373 |
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.
About this page
NOAA active region 9373 produced 19 C+ flares between 2001-03-10 and 2001-03-21.