1974Year 10 of solar cycle 20

Geomagnetic storms of 1974

1974 had 101 geomagnetic storms reaching Kp 5 or more, 8 of them strong (G3 or above); the strongest reached Kp 9−. Every storm with its dates, and the Kp of every day of the year.

101Every storm

8G3–G5

Kp 9−Peak Kp

147days 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 · 1974

5Jan

8Feb

9Mar

13Apr

10May

5Jun

10Jul

10Aug

9Sep

11Oct

5Nov

6Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
4 January 1974	G1	Kp 5−	3	39
18 January 1974	G1	Kp 5	6	48
25 – 26 January 1974	G2	Kp 6+	21	94
26 – 27 January 1974	G1	Kp 5+	18	56
30 January 1974	G1	Kp 5−	3	39
10 February 1974	G1	Kp 5−	3	39
11 – 12 February 1974	G2	Kp 6−	21	67
21 February 1974	G1	Kp 5−	3	39
22 – 24 February 1974	G2	Kp 6	21	80
24 – 25 February 1974	G1	Kp 5	6	48
25 February 1974	G1	Kp 5	6	48
26 February 1974	G1	Kp 5	3	48
27 February 1974	G1	Kp 5	3	48
1 March 1974	G1	Kp 5−	3	39
3 March 1974	G1	Kp 5−	3	39
9 – 10 March 1974	G1	Kp 5+	12	56
11 March 1974	G1	Kp 5	9	48
16 March 1974	G3	Kp 7	9	132
20 – 24 March 1974	G3	Kp 7−	54	111
24 – 25 March 1974	G1	Kp 5+	6	56
27 March 1974	G1	Kp 5−	3	39
29 – 30 March 1974	G1	Kp 5	15	48
2 – 4 April 1974	G2	Kp 6	30	80
5 April 1974	G1	Kp 5−	3	39
6 April 1974	G2	Kp 6−	3	67
7 April 1974	G1	Kp 5	3	48
9 – 10 April 1974	G1	Kp 5	6	48
11 April 1974	G1	Kp 5	6	48
18 – 21 April 1974	G2	Kp 6+	42	94
21 – 22 April 1974	G1	Kp 5−	6	39
23 April 1974	G1	Kp 5	6	48
24 April 1974	G1	Kp 5−	3	39
26 April 1974	G1	Kp 5−	3	39
26 – 27 April 1974	G1	Kp 5	6	48
28 April 1974	G1	Kp 5	3	48
2 – 3 May 1974	G2	Kp 6−	9	67
4 – 5 May 1974	G1	Kp 5+	21	56
7 May 1974	G1	Kp 5	3	48
15 May 1974	G1	Kp 5+	6	56
16 May 1974	G1	Kp 5−	3	39
16 – 18 May 1974	G2	Kp 6−	18	67
22 May 1974	G1	Kp 5	3	48
23 – 24 May 1974	G2	Kp 6−	18	67
30 May 1974	G1	Kp 5−	3	39
31 May – 1 June 1974	G2	Kp 6	6	80
1 June 1974	G1	Kp 5−	3	39
11 – 12 June 1974	G2	Kp 6	12	80
15 June 1974	G2	Kp 6−	9	67
20 June 1974	G1	Kp 5−	3	39
25 – 28 June 1974	G2	Kp 6+	39	94
4 July 1974	G1	Kp 5	3	48
4 – 6 July 1974	G4	Kp 9−	51	300
8 July 1974	G2	Kp 6−	12	67
12 July 1974	G1	Kp 5−	6	39
14 July 1974	G1	Kp 5+	3	56
23 – 24 July 1974	G3	Kp 7	45	132
25 July 1974	G1	Kp 5−	3	39
26 July 1974	G1	Kp 5	3	48
27 July 1974	G1	Kp 5−	6	39
28 July 1974	G1	Kp 5−	6	39
2 August 1974	G1	Kp 5+	9	56
3 – 4 August 1974	G2	Kp 6	12	80
6 August 1974	G1	Kp 5−	3	39
7 – 8 August 1974	G1	Kp 5−	6	39
19 – 21 August 1974	G2	Kp 6	45	80
22 August 1974	G1	Kp 5	3	48
22 – 23 August 1974	G1	Kp 5+	15	56
24 August 1974	G1	Kp 5+	3	56
28 August 1974	G1	Kp 5−	3	39
29 – 30 August 1974	G2	Kp 6−	12	67
1 September 1974	G1	Kp 5	3	48
2 September 1974	G1	Kp 5+	12	56
4 – 5 September 1974	G1	Kp 5	9	48
15 – 16 September 1974	G4	Kp 8	27	207
18 – 20 September 1974	G2	Kp 6−	30	67
21 – 22 September 1974	G2	Kp 6+	12	94
24 September 1974	G1	Kp 5+	6	56
25 – 26 September 1974	G1	Kp 5+	21	56
27 September 1974	G1	Kp 5	6	48
1 October 1974	G1	Kp 5	6	48
2 October 1974	G2	Kp 6	6	80
6 October 1974	G1	Kp 5−	3	39
9 October 1974	G2	Kp 6−	15	67
12 – 13 October 1974	G3	Kp 7	24	132
14 – 18 October 1974	G3	Kp 7	78	132
19 – 20 October 1974	G2	Kp 6−	21	67
24 October 1974	G2	Kp 6+	9	94
26 October 1974	G1	Kp 5	3	48
27 – 28 October 1974	G1	Kp 5+	6	56
28 October 1974	G1	Kp 5	3	48
8 – 9 November 1974	G2	Kp 6−	21	67
11 – 14 November 1974	G3	Kp 7	66	132
20 November 1974	G1	Kp 5−	3	39
21 November 1974	G1	Kp 5−	6	39
24 November 1974	G1	Kp 5	6	48
9 December 1974	G1	Kp 5+	15	56
13 December 1974	G1	Kp 5−	6	39
18 December 1974	G1	Kp 5−	3	39
19 December 1974	G1	Kp 5−	6	39
25 December 1974	G1	Kp 5−	3	39
27 December 1974	G1	Kp 5−	3	39