| Year | Max mag. | Total hits |
|---|---|---|
| 1943 | 7.6 | 1 |
| 1914 | 7.4 | 1 |
| 1922 | 7 | 1 |
| 1974 | 6.9 | 45 |
| 1925 | 6.6 | 1 |
| 1915 | 6.6 | 1 |
| 1960 | 6.6 | 1 |
| 2003 | 6.6 | 34 |
| 2014 | 6.6 | 55 |
| 1963 | 6.5 | 1 |
| 1980 | 6.4 | 10 |
| 1985 | 6.3 | 35 |
| 2004 | 6.3 | 89 |
| 1991 | 6.2 | 47 |
| 1995 | 6.1 | 26 |
| 1964 | 6.1 | 1 |
| 1967 | 6.1 | 2 |
| 2008 | 6.1 | 45 |
| 2009 | 6 | 26 |
| 2015 | 6 | 38 |
| 2007 | 6 | 54 |
| 1968 | 5.9 | 1 |
| 1982 | 5.9 | 18 |
| 1973 | 5.9 | 16 |
| 1981 | 5.8 | 16 |
| 1969 | 5.8 | 3 |
| 1970 | 5.8 | 1 |
| 2010 | 5.8 | 29 |
| 2005 | 5.8 | 38 |
| 2006 | 5.8 | 78 |
| 2000 | 5.8 | 45 |
| 2001 | 5.8 | 66 |
| 1976 | 5.7 | 12 |
| 1977 | 5.7 | 10 |
| 1972 | 5.6 | 1 |
| 1983 | 5.6 | 20 |
| 1986 | 5.6 | 27 |
| 1990 | 5.6 | 33 |
| 1988 | 5.6 | 39 |
| 1998 | 5.6 | 26 |
| 1999 | 5.6 | 38 |
| 2011 | 5.6 | 44 |
| 2017 | 5.6 | 56 |
| 2018 | 5.5 | 36 |
| 1997 | 5.5 | 16 |
| 2002 | 5.5 | 79 |
| 1994 | 5.5 | 27 |
| 1984 | 5.5 | 14 |
| 1992 | 5.4 | 43 |
| 1993 | 5.3 | 58 |
| 1979 | 5.3 | 19 |
| 2013 | 5.3 | 35 |
| 1989 | 5.2 | 20 |
| 1978 | 5.2 | 23 |
| 1975 | 5.2 | 6 |
| 1996 | 5.1 | 21 |
| 2016 | 5.1 | 61 |
| 2012 | 5 | 57 |
| 1987 | 4.9 | 16 |