Solar flares on March 13, 2002
The most powerful solar flare in 24 hours
M5.7 (strong) flare - March 13 at 6:50 PM
Solar activity index
Value as of the end of the day on March 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 12, 2002 to March 13, 2002
Time zone — UTC-07 (Phoenix)
List of solar flares for March 13, 2002
The total number of solar flares of class C and higher — 4 flares
C class — 2 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M5.7 | 18:38 | 18:50 | 19:02 | 9866 |
| M1.0 | 16:02 | 16:35 | 17:00 | 9871 |
| C7.8 | 15:03 | 15:09 | 15:15 | 9859 |
| C1.6 | 03:21 | 03:25 | 03:29 | — |