Highest earthquake-risk US counties

Counties with the highest FEMA earthquake risk. Ratings from FEMA's National Risk Index.

1. 1Los Angeles County, CAVery High
2. 2Riverside County, CAVery High
3. 3San Bernardino County, CAVery High
4. 4Orange County, CAVery High
5. 5Alameda County, CAVery High
6. 6Santa Clara County, CAVery High
7. 7King County, WAVery High
8. 8San Francisco County, CAVery High
9. 9Cook County, ILRelatively High
10. 10San Diego County, CARelatively High
11. 11Philadelphia County, PARelatively High
12. 12Clark County, NVRelatively High
13. 13Contra Costa County, CARelatively High
14. 14Ventura County, CARelatively High
15. 15Shelby County, TNRelatively High
16. 16St. Louis County, MORelatively High
17. 17Fresno County, CARelatively High
18. 18Kings County, NYRelatively High
19. 19San Mateo County, CARelatively High
20. 20Queens County, NYRelatively High
21. 21Sonoma County, CARelatively High
22. 22Santa Barbara County, CARelatively High
23. 23Kern County, CARelatively High
24. 24Honolulu County, HIRelatively High
25. 25Monterey County, CARelatively High
26. 26St. Louis city, MORelatively High
27. 27Charleston County, SCRelatively High
28. 28San Joaquin County, CARelatively High
29. 29Salt Lake County, UTRelatively High
30. 30Pierce County, WARelatively High
31. 31Hawaii County, HIRelatively High
32. 32Multnomah County, ORRelatively High
33. 33Sacramento County, CARelatively High
34. 34Snohomish County, WARelatively High
35. 35Santa Cruz County, CARelatively High
36. 36District of Columbia, DCRelatively High
37. 37Anchorage Municipality, AKRelatively High
38. 38Davidson County, TNRelatively High
39. 39Solano County, CARelatively High
40. 40Grays Harbor County, WARelatively High
41. 41Stanislaus County, CARelatively High
42. 42Merced County, CARelatively High
43. 43Pulaski County, ARRelatively High
44. 44Humboldt County, CARelatively High
45. 45Washoe County, NVRelatively High
46. 46Imperial County, CARelatively High
47. 47Lane County, ORRelatively High
48. 48Marin County, CARelatively High
49. 49Washington County, ORRelatively High
50. 50Marion County, ORRelatively High

Source: FEMA National Risk Index. Risk ratings reflect expected annual loss from the hazard, not a forecast. See each county page for its full hazard profile + a decade of outage history.