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Magnitude
DESCRIPTION
|
MAGNITUDE
|
AVERAGE NUMBER PER YEAR
|
| Great | 8 and higher | 1 |
| Major | 7 - 7.9 | 17 |
| Strong | 6 - 6.9 | 134 |
| Moderate | 5 - 5.9 | 1,319 |
| Light | 4 - 4.9 | 13,000 (est.) |
| Minor | 3 - 3.9 | 130,000 (est.) |
| Very Minor | 2 - 2.9 | 1,300,000 (est.) |