Weather History: Top 20 Earthquakes in U.S. History

The following are the top 20 biggest U.S. earthquakes to date:

1. Prince William Sound, Alaska (1964) - 9.2 magnitude
2. Cascadia subduction zone (1700) - 9 magnitude
3. Rat Islands, Alaska (1965) - 8.7 magnitude
4. Andreanof Islands, Alaska (1957) - 8.6 magnitude
5. East of Shumagin Islands, Alaska (1938) - 8.2 magnitude
6. Unimak Islands, Alaska (1946) - 8.1 magnitude
7. New Madrid, Missouri (1811) - 8.1 magnitude
8. Yakutat Bay, Alaska (1899) - 8.0 magnitude
9. New Madrid, Missouri (1812) - 8 magnitude
10. Denali Fault, Alaska (2002) - 7.9 magnitude
11. Gulf of Alaska, Alaska (1987) - 7.9 magnitude
12. Andreanof Islands, Alaska (1986) - 7.9 magnitude
13. Near Cape Yakataga, Alaska (189) - 7.9 magnitude
14. Ka'u District, Island of Hawaii (1868) - 7.9 magnitude
15. Fort Tejon, California (1857) - 7.9 magnitude
16. Rat Islands, Alaska (2003) - 7.8 magnitude
17. Andreanof Islands, Alaska (1996) - 7.8 magnitude
18. San Francisco, California (1906) - 7.8 magnitude
19. Imperial Valley, California (1892) - 7.8 magnitude
20. New Madrid, Missouri (1812) - 7.8 magnitude

Courtesy: U.S. Geological Survey