Top 50 tempestes geomagnètiques de 1971

On this page you will find an overview of the strongest geomagnetic storms of 1971 together with links to more information in our archive. Storms are ranked by the Disturbance storm-time index (Dst) that is designed to measure the magnetic signature of magnetospheric currents observed in the equatorial regions. The Dst index is provided by the World Data Center for geomagnetism in Kyoto.

		Dst	Ap	Kp max
1	1971/12/17	-171nT	67	7+
2	1971/04/15	-143nT	36	7-
3	1971/04/14	-121nT	39	8-
4	1971/12/18	-120nT	22	5
5	1971/01/28	-97nT	39	6
6	1971/04/09	-97nT	53	6
7	1971/04/22	-92nT	14	5-
8	1971/01/27	-92nT	37	6
9	1971/02/25	-83nT	43	6
10	1971/05/18	-78nT	39	6
11	1971/04/10	-78nT	30	5+
12	1971/04/21	-77nT	22	6+
13	1971/09/27	-77nT	38	6+
14	1971/09/26	-77nT	21	6+
15	1971/12/19	-76nT	11	4-
16	1971/09/18	-76nT	47	7-
17	1971/05/17	-75nT	73	7-
18	1971/04/16	-73nT	15	4
19	1971/11/25	-70nT	43	6
20	1971/01/29	-68nT	16	5
21	1971/07/21	-65nT	21	5+
22	1971/06/25	-64nT	32	5+
23	1971/03/12	-63nT	20	6
24	1971/02/26	-63nT	31	6+
25	1971/02/16	-63nT	28	6
26	1971/02/23	-61nT	13	4+
27	1971/09/25	-60nT	27	6-
28	1971/05/02	-59nT	17	5-
29	1971/03/20	-58nT	13	4
30	1971/05/07	-58nT	36	6-
31	1971/03/14	-58nT	29	5
32	1971/02/15	-58nT	29	5+
33	1971/03/13	-57nT	39	6-
34	1971/12/20	-57nT	3	3-
35	1971/11/22	-56nT	31	5+
36	1971/04/12	-56nT	10	4-
37	1971/04/11	-55nT	27	5
38	1971/10/07	-55nT	16	5
39	1971/07/22	-55nT	8	4+
40	1971/11/23	-54nT	45	6
41	1971/10/09	-53nT	37	6
42	1971/03/19	-53nT	16	5-
43	1971/02/24	-53nT	13	5+
44	1971/04/17	-52nT	8	3
45	1971/02/14	-51nT	16	4+
46	1971/06/29	-51nT	23	5
47	1971/11/24	-51nT	36	5+
48	1971/10/01	-50nT	21	5-
49	1971/03/15	-50nT	22	5
50	1971/04/04	-50nT	27	5+

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Fets del temps al espai

Última Flamarada-X	2026/03/30	X1.5
Última Flamarada-M	2026/03/28	M1.3
Última tempesta geomagnètica	2026/03/25	Kp5+ (G1)

Dies sense taques
Last 365 days	3 dies
2026	3 dies (3%)
Últim dia sense taques	2026/02/24

Número mensual mitjà de taques solars
de febrer 2026	78.2 -34.3
Last 30 days	90.3 +19

Aquest dia a la història*

Erupcions solars
1	2001	M7.89
2	2017	M6.34
3	2001	M5.75
4	2025	M5.6
5	2024	M3.9

		Dst	G
1	1960	-327	G4
2	2001	-228	G2
3	1976	-218	G4
4	1973	-211	G4
5	1989	-93	G2

*des del 1994

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