Solar flares on October 12, 2001
The most powerful solar flare in 24 hours
C4.1 (normal) flare - October 12 at 7:58 AM
Solar activity index
Value as of the end of the day on October 12, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 11, 2001 to October 12, 2001
Time zone — UTC-04 (Kitchener) — summer time
List of solar flares for October 12, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 20:48 | 20:52 | 20:57 | — |
| C2.0 | 18:30 | 18:36 | 18:41 | 9658 |
| C1.5 | 13:11 | 13:16 | 13:30 | 9661 |
| C1.7 | 10:56 | 11:00 | 11:04 | — |
| C4.1 | 07:45 | 07:58 | 08:20 | 9661 |
| C3.0 | 06:53 | 07:10 | 07:15 | 9658 |
| C2.3 | 05:18 | 05:38 | 05:47 | — |
| C2.0 | 01:58 | 02:02 | 02:10 | — |
| C2.0 | 00:18 | 00:21 | 00:24 | 9657 |