Geomagnetic Storms of 1960
81 geomagnetic storms of G1 or more began in 1960: 31 G1, 28 G2, 11 G3, 7 G4, 4 G5. The strongest began November 12, 1960 and reached Kp 9, rank 1 of every storm since 1932.
By month
Every storm of 1960
Times are UT, when the first block at Kp 5 or more began.
| Began (UTC) | Level | Peak Kp | Hours | Highest daily Ap |
|---|---|---|---|---|
| Jan 10, 06:00 | G2 Moderate | 6- | 18 | 43 |
| Jan 11, 12:00 | G1 Minor | 5 | 3 | 27 |
| Jan 14, 00:00 | G2 Moderate | 6+ | 30 | 43 |
| Jan 18, 06:00 | G2 Moderate | 6- | 3 | 23 |
| Jan 21, 00:00 | G2 Moderate | 6 | 36 | 50 |
| Feb 5, 09:00 | G1 Minor | 5 | 3 | 19 |
| Feb 13, 21:00 | G1 Minor | 5+ | 6 | 29 |
| Feb 16, 12:00 | G2 Moderate | 6- | 6 | 27 |
| Feb 18, 00:00 | G1 Minor | 5+ | 3 | 28 |
| Feb 20, 00:00 | G1 Minor | 5 | 3 | 19 |
| Mar 10, 09:00 | G1 Minor | 5 | 3 | 22 |
| Mar 11, 09:00 | G2 Moderate | 6- | 3 | 34 |
| Mar 15, 21:00 | G3 Strong | 7- | 24 | 52 |
| Mar 31, 06:00 | G5 Extreme | 9- | 78 | 241 |
| Apr 4, 21:00 | G2 Moderate | 6 | 21 | 35 |
| Apr 7, 18:00 | G1 Minor | 5+ | 3 | 22 |
| Apr 10, 21:00 | G3 Strong | 7- | 3 | 33 |
| Apr 11, 21:00 | G2 Moderate | 6- | 12 | 35 |
| Apr 13, 03:00 | G2 Moderate | 6- | 6 | 28 |
| Apr 15, 03:00 | G2 Moderate | 6 | 3 | 24 |
| Apr 16, 12:00 | G2 Moderate | 6- | 15 | 30 |
| Apr 18, 00:00 | G1 Minor | 5+ | 3 | 21 |
| Apr 23, 21:00 | G3 Strong | 7- | 48 | 67 |
| Apr 27, 18:00 | G3 Strong | 7 | 42 | 85 |
| Apr 30, 00:00 | G5 Extreme | 9 | 33 | 174 |
| May 6, 09:00 | G4 Severe | 8+ | 63 | 128 |
| May 11, 03:00 | G3 Strong | 7- | 6 | 42 |
| May 16, 12:00 | G2 Moderate | 6+ | 12 | 42 |
| May 23, 12:00 | G2 Moderate | 6- | 21 | 31 |
| May 27, 00:00 | G1 Minor | 5 | 3 | 16 |
| May 28, 18:00 | G4 Severe | 8- | 27 | 54 |
| Jun 1, 03:00 | G2 Moderate | 6 | 3 | 28 |
| Jun 4, 03:00 | G2 Moderate | 6+ | 6 | 52 |
| Jun 4, 21:00 | G1 Minor | 5+ | 15 | 52 |
| Jun 6, 09:00 | G1 Minor | 5 | 3 | 25 |
| Jun 25, 21:00 | G1 Minor | 5+ | 3 | 26 |
| Jun 27, 00:00 | G3 Strong | 7- | 36 | 65 |
| Jun 29, 18:00 | G3 Strong | 7 | 27 | 55 |
| Jul 14, 15:00 | G4 Severe | 8+ | 60 | 93 |
| Jul 19, 06:00 | G2 Moderate | 6 | 15 | 35 |
| Jul 20, 12:00 | G1 Minor | 5 | 3 | 26 |
| Jul 29, 15:00 | G1 Minor | 5 | 3 | 29 |
| Jul 30, 09:00 | G2 Moderate | 6- | 27 | 37 |
| Aug 9, 03:00 | G1 Minor | 5 | 3 | 22 |
| Aug 11, 03:00 | G1 Minor | 5 | 3 | 23 |
| Aug 12, 06:00 | G1 Minor | 5 | 3 | 24 |
| Aug 16, 12:00 | G4 Severe | 8- | 36 | 106 |
| Aug 19, 21:00 | G2 Moderate | 6 | 12 | 26 |
| Aug 21, 09:00 | G1 Minor | 5 | 3 | 28 |
| Aug 29, 00:00 | G3 Strong | 7- | 9 | 45 |
| Aug 29, 21:00 | G3 Strong | 7 | 15 | 58 |
| Sep 2, 21:00 | G3 Strong | 7- | 12 | 35 |
| Sep 4, 06:00 | G4 Severe | 8 | 48 | 118 |
| Sep 6, 21:00 | G1 Minor | 5 | 3 | 28 |
| Sep 7, 12:00 | G2 Moderate | 6- | 3 | 27 |
| Sep 13, 03:00 | G1 Minor | 5 | 3 | 21 |
| Sep 14, 00:00 | G1 Minor | 5 | 3 | 13 |
| Sep 24, 00:00 | G1 Minor | 5 | 3 | 27 |
| Oct 1, 03:00 | G2 Moderate | 6 | 39 | 49 |
| Oct 3, 09:00 | G1 Minor | 5 | 3 | 15 |
| Oct 4, 15:00 | G3 Strong | 7- | 15 | 36 |
| Oct 5, 21:00 | G5 Extreme | 9 | 63 | 203 |
| Oct 9, 03:00 | G2 Moderate | 6- | 3 | 38 |
| Oct 9, 21:00 | G1 Minor | 5 | 3 | 38 |
| Oct 18, 18:00 | G1 Minor | 5+ | 3 | 27 |
| Oct 24, 15:00 | G2 Moderate | 6 | 3 | 21 |
| Oct 25, 06:00 | G4 Severe | 8- | 33 | 76 |
| Oct 27, 09:00 | G2 Moderate | 6- | 57 | 45 |
| Oct 30, 09:00 | G1 Minor | 5+ | 3 | 34 |
| Nov 4, 00:00 | G2 Moderate | 6- | 18 | 52 |
| Nov 12, 12:00 | G5 Extreme | 9 | 99 | 280 |
| Nov 21, 06:00 | G2 Moderate | 6 | 24 | 45 |
| Nov 24, 21:00 | G1 Minor | 5+ | 15 | 39 |
| Nov 28, 00:00 | G1 Minor | 5 | 3 | 21 |
| Nov 30, 21:00 | G4 Severe | 8 | 27 | 93 |
| Dec 2, 12:00 | G1 Minor | 5 | 3 | 26 |
| Dec 7, 18:00 | G2 Moderate | 6- | 12 | 25 |
| Dec 15, 12:00 | G2 Moderate | 6 | 21 | 43 |
| Dec 18, 06:00 | G1 Minor | 5 | 3 | 26 |
| Dec 21, 00:00 | G1 Minor | 5 | 3 | 25 |
| Dec 27, 06:00 | G2 Moderate | 6+ | 30 | 50 |
More
Sources
Kp and ap from GFZ Helmholtz Centre for Geosciences, Geomagnetic Observatory Niemegk, licensed CC BY 4.0: Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A., 2021, The geomagnetic Kp index and derived indices of geomagnetic activity, Space Weather, doi:10.1029/2020SW002641; data doi:10.5880/Kp.0001. Storms, levels and aurora reach worked out by WeatherOverTime from those values and NOAA’s space weather scales. Definitive through August 31, 2026; later values are preliminary. Rebuilt 2026-09-24.