Le cycle solaire 25 - Top 50 des tempêtes géomagnétiques

On this page you will find an overview of the strongest geomagnetic storms from Solar Cycle 25 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	Vitesse	IMF Bt	IMF Bz
1	11/05/2024	-412nT	271	9	993.2km/sec	55.75nT	-50.06nT
2	10/05/2024	-351nT	105	9-	804.7km/sec	73.76nT	-49.96nT
3	24/04/2023	-213nT	72	8	635.7km/sec	34.66nT	-33.32nT
4	12/08/2024	-203nT	127	8	533.6km/sec	23.33nT	-20.37nT
5	05/11/2023	-172nT	61	7+	534.6km/sec	44.71nT	-26.73nT
6	23/04/2023	-165nT	65	8+	880.8km/sec	31.11nT	-24.45nT
7	24/03/2023	-163nT	73	8	499.4km/sec	20.39nT	-15.92nT
8	12/05/2024	-159nT	53	7	1005.0km/sec	12.22nT	-8.54nT
9	27/02/2023	-132nT	91	7-	882.5km/sec	20.68nT	-19.21nT
10	06/11/2023	-128nT	36	6-	610.5km/sec	19.09nT	-15.48nT
11	24/03/2024	-128nT	68	8+	887.2km/sec	33.74nT	-26.54nT
12	23/03/2023	-125nT	55	7	513.3km/sec	22.01nT	-17.54nT
13	13/08/2024	-121nT	14	4+	470.0km/sec	21.88nT	-7.42nT
14	19/04/2024	-117nT	45	7	548.9km/sec	18.02nT	-16.86nT
15	04/08/2024	-116nT	49	7	422.6km/sec	21.72nT	-17.85nT
16	03/03/2024	-112nT	34	6+	481.2km/sec	19.47nT	-17.63nT
17	01/12/2023	-108nT	52	7-	546.6km/sec	28.83nT	-27.08nT
18	28/06/2024	-105nT	60	8-	500.2km/sec	30.05nT	-24.70nT
19	04/11/2021	-105nT	72	8-	817.3km/sec	24.09nT	-18.08nT
20	13/05/2024	-102nT	27	6	850.5km/sec	9.95nT	-6.03nT
21	02/12/2023	-100nT	13	5+	525.8km/sec	18.22nT	-12.65nT
22	28/02/2023	-100nT	26	6-	781.4km/sec	10.38nT	-7.01nT
23	17/05/2024	-99nT	30	6	517.2km/sec	17.14nT	-15.06nT
24	25/11/2023	-99nT	37	6+	626.0km/sec	18.39nT	-15.80nT
25	02/05/2024	-96nT	42	7-	477.2km/sec	21.72nT	-19.05nT
26	05/08/2023	-93nT	33	6+	470.3km/sec	25.21nT	-23.55nT
27	28/08/2024	-92nT	24	6-	452.3km/sec	18.21nT	-15.74nT
28	07/11/2022	-92nT	19	5	429.2km/sec	15.72nT	-14.59nT
29	14/01/2022	-91nT	15	6-	443.0km/sec	17.85nT	-17.49nT
30	18/05/2024	-91nT	12	4	473.0km/sec	11.80nT	-9.33nT
31	16/05/2024	-90nT	27	6	528.9km/sec	17.06nT	-12.99nT
32	21/10/2023	-88nT	21	5	356.6km/sec	10.33nT	-9.85nT
33	31/08/2024	-88nT	25	5-	415.9km/sec	13.43nT	-11.00nT
34	25/03/2024	-88nT	25	5	909.4km/sec	27.59nT	-13.26nT
35	04/03/2024	-86nT	9	4	590.8km/sec	14.02nT	-7.92nT
36	19/09/2023	-85nT	47	6+	698.1km/sec	15.39nT	-14.54nT
37	14/03/2022	-85nT	14	6-	475.5km/sec	24.64nT	1.49nT
38	13/03/2022	-85nT	40	6+	580.1km/sec	25.70nT	-23.82nT
39	12/09/2023	-82nT	23	5+	428.6km/sec	20.19nT	-19.32nT
40	27/08/2021	-82nT	21	4+	525.4km/sec	16.44nT	-15.50nT
41	07/07/2022	-81nT	19	5+	437.9km/sec	21.92nT	-19.42nT
42	14/04/2022	-81nT	39	6	574.8km/sec	21.79nT	-13.38nT
43	28/08/2021	-79nT	14	5	389.3km/sec	12.86nT	-8.97nT
44	23/03/2024	-79nT	31	6-	540.5km/sec	17.57nT	-14.42nT
45	14/12/2023	-78nT	15	4+	469.7km/sec	15.33nT	-13.72nT
46	26/11/2023	-77nT	9	4	613.8km/sec	7.28nT	-6.81nT
47	17/12/2023	-76nT	33	5+	565.3km/sec	16.76nT	-14.31nT
48	22/10/2022	-76nT	24	5+	417.6km/sec	12.43nT	-11.31nT
49	14/08/2024	-76nT	10	4-	473.2km/sec	9.11nT	-6.53nT
50	21/03/2024	-74nT	22	5-	396.9km/sec	14.75nT	-12.10nT

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A ce jour dans l'histoire*

Éruptions solaires
1	2000	M7.33
2	2023	M4.0
3	2004	M2.82
4	2023	M1.8
5	1999	M1.38

		Dst	G
1	1989	-255	G4
2	2023	-85	G2
3	2000	-77	G2
4	1977	-76	G2
5	1984	-73	G2

*depuis 1994

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