Top 50 geomagnetic storms of 1970

On this page you will find an overview of the strongest geomagnetic storms of 1970 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	1970/03/08	-284nT	149	9
2	1970/03/09	-258nT	47	6+
3	1970/08/17	-181nT	115	9-
4	1970/12/14	-153nT	65	8+
5	1970/04/21	-141nT	90	8+
6	1970/04/22	-137nT	41	7
7	1970/10/18	-119nT	39	7-
8	1970/10/16	-111nT	37	6
9	1970/11/21	-110nT	30	6-
10	1970/07/25	-108nT	92	8-
11	1970/11/07	-108nT	58	7-
12	1970/10/17	-103nT	34	6
13	1970/08/18	-98nT	36	6-
14	1970/07/09	-91nT	87	7+
15	1970/11/19	-89nT	18	5
16	1970/05/28	-87nT	45	7
17	1970/03/10	-86nT	7	3+
18	1970/12/15	-83nT	14	4+
19	1970/07/29	-81nT	45	6
20	1970/07/26	-76nT	21	5
21	1970/10/22	-75nT	18	5-
22	1970/10/23	-70nT	29	5
23	1970/04/19	-68nT	21	5
24	1970/03/31	-66nT	51	6+
25	1970/06/21	-66nT	17	5-
26	1970/08/19	-66nT	14	4+
27	1970/03/11	-65nT	3	2-
28	1970/11/23	-64nT	21	4
29	1970/06/20	-63nT	18	4
30	1970/07/10	-62nT	34	7-
31	1970/08/08	-61nT	26	5
32	1970/08/09	-61nT	19	5+
33	1970/03/01	-60nT	22	5-
34	1970/10/11	-60nT	15	4-
35	1970/04/23	-60nT	14	4-
36	1970/05/29	-59nT	13	4-
37	1970/11/22	-59nT	18	4
38	1970/11/08	-58nT	8	3+
39	1970/04/17	-58nT	29	5+
40	1970/12/28	-57nT	18	4+
41	1970/03/06	-57nT	25	6-
42	1970/07/04	-56nT	26	6+
43	1970/06/27	-53nT	35	6
44	1970/08/31	-53nT	12	4-
45	1970/12/16	-53nT	4	2-
46	1970/03/07	-53nT	42	6-
47	1970/10/12	-53nT	16	5+
48	1970/11/18	-52nT	18	5+
49	1970/03/28	-52nT	21	5-
50	1970/08/26	-52nT	17	4+

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