New Madrid Missouri was rocking and rolling 200 years ago.
http://earthquake.usgs.gov/regional/states/10_largest_us.php
1. Prince William Sound, Alaska 1964 03 28 03:36:14.0 UTC 9.2
2. Cascadia subduction zone 1700 01 26 UTC ˜9
3. Rat Islands, Alaska 1965 02 04 05:01 UTC 8.7
4. Andreanof Islands, Alaska 1957 03 09 14:22:31.9 UTC 8.6
5. East of Shumagin Islands, Alaska 1938 11 10 20:18:41.2 UTC 8.2
6. Unimak Islands, Alaska 1946 04 01 12:28 UTC 8.1
7. New Madrid, Missouri 1811 12 16 08:15 UTC 8.1
8. Yakutat Bay, Alaska 1899 09 10 21:41 UTC 8.0
9. New Madrid, Missouri 1812 02 07 09:45 UTC ˜8
10. Denali Fault, Alaska 2002 11 03 22:12 UTC 7.9
11. Gulf of Alaska, Alaska 1987 11 30 19:23 UTC 7.9
12. Andreanof Islands, Alaska 1986 05 07 22:47 UTC 7.9
13. Near Cape Yakataga, Alaska 1899 09 04 00:22 UTC 7.9
14. Ka'u District, Island of Hawaii 1868 04 03 02:25 UTC 7.9
15. Fort Tejon, California 1857 01 09 16:24 UTC 7.9
16. Rat Islands, Alaska 2003 11 17 06:43 UTC 7.8
17. Andreanof Islands, Alaska 1996 06 10 04:03 UTC 7.8
18. San Francisco, California 1906 04 18 13:12 UTC 7.8
19. Imperial Valley, California 1892 02 24 07:20 UTC 7.8
20. New Madrid, Missouri 1812 01 23 15:00 UTC 7.8