Ciclo solar 20 - 50 principales tormentas geomagnéticas

On this page you will find an overview of the strongest geomagnetic storms from Solar Cycle 20 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	26/05/1967	-387nT	146	9
2	25/05/1967	-312nT	130	9
3	08/03/1970	-284nT	149	9
4	09/03/1970	-258nT	47	6+
5	24/03/1969	-228nT	79	8
6	31/10/1968	-224nT	112	8
7	01/11/1968	-216nT	122	8+
8	01/04/1973	-211nT	91	8+
9	06/07/1974	-204nT	130	9-
10	01/11/1972	-199nT	98	8
11	18/06/1972	-190nT	126	8+
12	04/09/1966	-189nT	112	9-
13	02/02/1969	-186nT	47	8
14	17/08/1970	-181nT	115	9-
15	02/11/1968	-179nT	82	8-
16	02/04/1973	-173nT	54	7
17	17/12/1971	-171nT	67	7+
18	23/03/1969	-164nT	47	8
19	18/04/1965	-162nT	68	8-
20	03/02/1969	-161nT	54	6
21	14/01/1967	-160nT	61	8-
22	06/06/1967	-160nT	46	8
23	15/09/1974	-159nT	73	8-
24	03/09/1966	-157nT	92	9-
25	10/01/1976	-156nT	47	7
26	09/08/1972	-154nT	74	8+
27	14/12/1970	-153nT	65	8+
28	14/09/1972	-146nT	54	8
29	11/01/1976	-146nT	41	7+
30	15/04/1971	-143nT	36	7-
31	21/04/1970	-141nT	90	8+
32	16/09/1974	-141nT	88	8
33	22/04/1970	-137nT	41	7
34	11/02/1969	-136nT	62	6+
35	14/04/1973	-134nT	57	8-
36	16/02/1967	-130nT	64	8
37	08/01/1967	-128nT	60	7-
38	03/11/1968	-125nT	35	7-
39	05/08/1972	-125nT	182	9-
40	11/02/1968	-124nT	51	6
41	03/05/1967	-123nT	87	7
42	13/09/1972	-123nT	53	7+
43	27/05/1967	-121nT	20	4+
44	15/05/1969	-121nT	131	8-
45	14/04/1971	-121nT	39	8-
46	21/02/1973	-121nT	49	7+
47	07/02/1967	-120nT	30	6+
48	18/12/1971	-120nT	22	5
49	13/10/1974	-120nT	86	7
50	18/10/1970	-119nT	39	7-

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Hechos clima espacial

Último evento clase X	08/12/2025	X1.1
Último evento clase M	12/12/2025	M1.1
Últimas tormentas geomagnéticas	12/12/2025	Kp5 (G1)

Días sin manchas
Último día sin manchas	08/06/2022

Promedio de manchas solares mensuales
noviembre 2025	91.8 -22.8
diciembre 2025	139.6 +47.8
Last 30 days	106.8 +8.5

Efemérides*

Llamarada solar
1	2023	M6.97
2	2023	M6.3
3	2022	M5.7
4	2024	M3.11
5	2022	M2.4

		Dst	G
1	2006	-162	G4
2	1960	-133	G2
3	1970	-83
4	1966	-77	G1
5	1978	-68	G2

*desde 1994

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