1975Year 11 of solar cycle 20

Geomagnetic storms of 1975

1975 had 70 geomagnetic storms reaching Kp 5 or more, 5 of them strong (G3 or above); the strongest reached Kp 8−. Every storm with its dates, and the Kp of every day of the year.

70Every storm

5G3–G5

Kp 8−Peak Kp

91days at Kp 5 or more

The year day by day

the day's highest Kp

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Kp 0–3Kp 4Kp 5 · G1Kp 6 · G2Kp 7 · G3Kp 8 · G4Kp 9 · G5

Every storm · 1975

8Jan

7Feb

10Mar

8Apr

8May

3Jun

4Jul

5Aug

3Sep

3Oct

7Nov

4Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
4 January 1975	G1	Kp 5	9	48
6 – 7 January 1975	G4	Kp 8−	15	179
8 January 1975	G1	Kp 5+	12	56
13 January 1975	G1	Kp 5	3	48
13 – 14 January 1975	G1	Kp 5	12	48
17 January 1975	G1	Kp 5	3	48
17 – 18 January 1975	G1	Kp 5−	6	39
28 January 1975	G1	Kp 5−	3	39
1 – 2 February 1975	G1	Kp 5	18	48
10 – 11 February 1975	G2	Kp 6−	18	67
11 – 12 February 1975	G1	Kp 5	24	48
13 February 1975	G1	Kp 5	3	48
16 February 1975	G1	Kp 5	6	48
23 February 1975	G2	Kp 6	9	80
25 February 1975	G1	Kp 5−	3	39
1 March 1975	G1	Kp 5−	3	39
5 March 1975	G1	Kp 5	9	48
9 – 11 March 1975	G3	Kp 7	36	132
11 – 12 March 1975	G1	Kp 5+	6	56
12 – 13 March 1975	G1	Kp 5+	9	56
13 March 1975	G2	Kp 6	3	80
14 March 1975	G2	Kp 6−	3	67
16 March 1975	G1	Kp 5+	6	56
18 March 1975	G1	Kp 5−	3	39
27 – 28 March 1975	G2	Kp 6+	18	94
6 April 1975	G1	Kp 5	3	48
7 April 1975	G2	Kp 6−	6	67
8 – 10 April 1975	G2	Kp 6	33	80
10 – 11 April 1975	G1	Kp 5+	15	56
12 – 13 April 1975	G2	Kp 6−	12	67
14 April 1975	G1	Kp 5−	6	39
20 – 21 April 1975	G2	Kp 6	12	80
23 April 1975	G1	Kp 5−	6	39
5 May 1975	G2	Kp 6−	3	67
5 – 6 May 1975	G2	Kp 6	9	80
7 May 1975	G1	Kp 5−	3	39
10 May 1975	G1	Kp 5	6	48
14 May 1975	G1	Kp 5−	3	39
16 May 1975	G2	Kp 6−	6	67
19 – 20 May 1975	G1	Kp 5	9	48
25 – 26 May 1975	G1	Kp 5	9	48
1 – 2 June 1975	G2	Kp 6−	15	67
12 June 1975	G1	Kp 5	3	48
29 – 30 June 1975	G2	Kp 6−	9	67
8 July 1975	G2	Kp 6	12	80
9 July 1975	G3	Kp 7−	6	111
11 July 1975	G1	Kp 5	3	48
25 July 1975	G2	Kp 6	6	80
5 August 1975	G1	Kp 5−	6	39
8 August 1975	G1	Kp 5−	3	39
10 August 1975	G1	Kp 5−	3	39
20 August 1975	G1	Kp 5−	3	39
29 August 1975	G1	Kp 5+	3	56
9 September 1975	G1	Kp 5	3	48
10 September 1975	G1	Kp 5+	3	56
12 September 1975	G1	Kp 5−	3	39
6 – 7 October 1975	G1	Kp 5+	15	56
7 – 10 October 1975	G3	Kp 7−	39	111
31 October 1975	G1	Kp 5+	3	56
2 – 4 November 1975	G3	Kp 7−	45	111
5 November 1975	G1	Kp 5−	3	39
9 November 1975	G2	Kp 6+	9	94
10 November 1975	G2	Kp 6−	3	67
21 November 1975	G1	Kp 5−	3	39
22 November 1975	G2	Kp 6+	15	94
29 November – 1 December 1975	G1	Kp 5	30	48
1 December 1975	G1	Kp 5−	3	39
2 December 1975	G1	Kp 5−	3	39
8 – 9 December 1975	G1	Kp 5−	6	39
26 – 27 December 1975	G1	Kp 5+	18	56