Home › Geomagnetic history › 1975
Geomagnetic storm on 11 Mar 1975 (G3)
Max Kp7-G3
Ap53No. 3 in 1975
Consecutive G1+ days6
Ap rank797since 1932
Kp by 3-hour slot (UTC)
7-
6+
5o
4o
4+
4+
4-
5+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Mar 1975 | 1- | 2 | – |
| 9 Mar 1975 | 5- | 8 | G1 |
| 10 Mar 1975 | 7o | 80 | G3 |
| 11 Mar 1975 | 7- | 53 | G3 |
| 12 Mar 1975 | 5+ | 37 | G1 |
| 13 Mar 1975 | 6o | 29 | G2 |
| 14 Mar 1975 | 6- | 29 | G2 |
Highest-Ap days of 1975
80
65
53
52
50
45
44
41
38
38
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Max Kp 7-, Ap 53: No. 797 of 34,615 days since 1932 by Ap.