Top 50 tempestes geomagnètiques de 1986

On this page you will find an overview of the strongest geomagnetic storms of 1986 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	1986/02/09	-307nT	100	9-
2	1986/02/08	-259nT	202	9
3	1986/09/12	-170nT	89	9-
4	1986/02/07	-121nT	82	8-
5	1986/02/10	-119nT	10	3+
6	1986/11/25	-105nT	49	7-
7	1986/10/13	-101nT	28	7-
8	1986/11/04	-100nT	67	6+
9	1986/02/11	-98nT	20	5-
10	1986/05/06	-94nT	67	7-
11	1986/11/24	-86nT	46	6
12	1986/03/06	-84nT	32	6-
13	1986/02/12	-82nT	18	4
14	1986/09/13	-81nT	22	5-
15	1986/01/06	-79nT	20	6+
16	1986/05/02	-79nT	43	7-
17	1986/10/14	-78nT	31	5+
18	1986/11/26	-77nT	17	4
19	1986/01/21	-76nT	27	6-
20	1986/05/03	-75nT	40	7+
21	1986/11/05	-74nT	20	5
22	1986/03/07	-72nT	33	5
23	1986/02/13	-70nT	15	4+
24	1986/02/14	-66nT	19	5-
25	1986/02/23	-66nT	35	5+
26	1986/01/07	-66nT	32	6-
27	1986/10/27	-65nT	16	5-
28	1986/09/14	-65nT	12	4
29	1986/02/22	-64nT	30	5-
30	1986/02/21	-64nT	26	5+
31	1986/03/08	-64nT	23	5
32	1986/05/05	-62nT	17	5+
33	1986/02/28	-61nT	25	5
34	1986/06/28	-60nT	18	5
35	1986/09/23	-60nT	43	6
36	1986/02/18	-59nT	14	4+
37	1986/02/26	-56nT	26	6-
38	1986/05/07	-56nT	12	4+
39	1986/03/13	-56nT	21	4
40	1986/02/24	-56nT	19	4
41	1986/09/15	-55nT	18	4
42	1986/09/20	-54nT	18	5
43	1986/02/20	-53nT	17	4
44	1986/06/27	-53nT	28	5+
45	1986/11/23	-53nT	12	5+
46	1986/04/10	-51nT	19	5-
47	1986/03/01	-50nT	18	4+
48	1986/02/27	-49nT	20	4+
49	1986/09/24	-49nT	22	4+
50	1986/03/22	-49nT	22	5

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Dies sense taques
Last 365 days	3 dies
2026	3 dies (3%)
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Número mensual mitjà de taques solars
de febrer 2026	78.2 -34.3
Last 30 days	90 +16.9

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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