1868年以降に観測されたの大きな地磁気嵐
(aa指数による)
rank | date (UT) | max. aa index (nT) |
1 | 1989/03/14 | 715 |
1989/03/15 | 715 | |
2003/10/29 | 715 | |
4 | 1958/07/08 | 698 |
1959/07/15 | 698 | |
1972/08/04 | 698 | |
7 | 1921/05/14 | 680 |
1921/05/15 | 680 | |
9 | 1872/02/04 | 658 |
1892/02/14 | 658 | |
1903/10/31 | 658 | |
1909/09/25 | 658 | |
13 | 1928/07/08 | 656 |
1938/01/22 | 656 | |
1938/01/25 | 656 | |
1938/04/16 | 656 | |
1941/03/01 | 656 | |
1946/03/28 | 656 | |
1946/09/22 | 656 |