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Table2 Largest SC events of dH > 100 nT at KAK since May 1924

From: Extreme geomagnetic activities: a statistical study

Year Month Day dH (nT) Notes (reference, etc.)
1938 4 16 117  
1946 7 26 114  
1947 7 17 116  
1958 7 8 116  
1959 7 11 112  
1960 4 30 124  
1960 11 13 220  
1982 7 13 114  
1991 3 24 202 Araki (1997)
1991 6 13 113  
1991 7 8 146  
1991 10 28 174  
1992 5 9 101  
2000 7 15 140  
2001 11 6 105  
2015 6 22 104