Table 1 Largest magnetic storm events of − dH > 400 nT at KAK since May 1924
Year | Month | Day | −dH (nT) | Notes (reference, etc.) |
|---|---|---|---|---|
1928 | 7 | 7 | 486 | |
1938 | 1 | 22 | 490 | |
1938 | 4 | 16 | 509 | |
1940 | 3 | 24 | 661 | |
1941 | 9 | 18 | 604 | |
1946 | 7 | 26 | 462 | |
1949 | 1 | 24 | 407 | |
1957 | 9 | 13 | 486 | |
1958 | 2 | 11 | 617 | Kataoka et al. (2019) |
1958 | 7 | 8 | 472 | |
1959 | 7 | 15 | 533 | |
1960 | 11 | 12 | 417 | |
1967 | 5 | 25 | 509 | |
1982 | 7 | 13 | 630 | |
1989 | 3 | 13 | 644 | Nagatsuma et al. (2015) |
1991 | 3 | 24 | 503 | |
1992 | 5 | 9 | 426 | |
2001 | 3 | 31 | 477 | |
2003 | 10 | 29 | 423 | |
2003 | 11 | 20 | 415 | |
2004 | 11 | 7 | 460 | |
2005 | 5 | 15 | 401 |