M1.7 earthquake 23 km SW of Ferndale, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Fri, Dec 28, 1990, 6:02 AM PST

UTC

1990-12-28 14:02:09 UTC

Depth

12.8 km (8.0 mi), shallow

Epicenter

40.449° N, 124.482° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.9 km horizontally, 0.6 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

298°, poorly surrounded by stations

Stations used

5

• Ferndale, CaliforniaPopulation 1,369. Forecast23 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast32 kmWSW
• Chico, CaliforniaPopulation 121,345. Forecast239 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast900 kmNW

After

1. 1.830 km WNW of Cleone, CaliforniaSun, Dec 30, 2:59 AM PST · 13062 days ago · 4 km deep · 99 km away
2. 2.689 km W of Ferndale, CaliforniaSun, Dec 30, 8:46 PM PST · 13062 days ago · 35 km deep · 76 km away
3. 1.79 km S of Ferndale, CaliforniaMon, Dec 31, 3:57 AM PST · 13061 days ago · 2 km deep · 18 km away
4. 4.326 km SW of Ferndale, CaliforniaMon, Dec 31, 4:20 PM PST · 13061 days ago · 16 km deep · 7 km away
5. 2.340 km SW of Ferndale, CaliforniaTue, Jan 1, 1:01 AM PST · 13061 days ago · 19 km deep · 18 km away
6. 1.86 km W of Willow Creek, CaliforniaTue, Jan 1, 10:44 AM PST · 13060 days ago · 13 km deep · 85 km away
7. 2.14 km W of Fields Landing, CaliforniaTue, Jan 1, 2:04 PM PST · 13060 days ago · 13 km deep · 35 km away
8. 1.96 km S of Ferndale, CaliforniaWed, Jan 2, 1:55 AM PST · 13060 days ago · 5 km deep · 19 km away
9. 1.630 km SW of Scotia, CaliforniaWed, Jan 2, 7:36 PM PST · 13059 days ago · 19 km deep · 18 km away
10. 2.317 km SW of Scotia, CaliforniaTue, Jan 8, 12:31 AM PST · 13054 days ago · 4 km deep · 22 km away
11. 1.829 km SSW of Ferndale, CaliforniaThu, Jan 10, 3:53 PM PST · 13051 days ago · 4 km deep · 15 km away
12. 3.334 km WSW of Ferndale, CaliforniaFri, Jan 11, 2:30 PM PST · 13050 days ago · 23 km deep · 12 km away
13. 2.233 km SW of Ferndale, CaliforniaFri, Jan 11, 2:48 PM PST · 13050 days ago · 22 km deep · 10 km away
14. 2.26 km WNW of Fields Landing, CaliforniaFri, Jan 11, 5:54 PM PST · 13050 days ago · 21 km deep · 38 km away
15. 2.129 km SW of Ferndale, CaliforniaSun, Jan 13, 8:12 PM PST · 13048 days ago · 16 km deep · 10 km away
16. 1.810 km E of Benbow, CaliforniaMon, Jan 14, 12:39 PM PST · 13047 days ago · -1 km deep · 81 km away
17. 2.71 km NNE of Humboldt Hill, CaliforniaTue, Jan 15, 4:47 PM PST · 13046 days ago · 20 km deep · 41 km away
18. 2.811 km W of Indianola, CaliforniaWed, Jan 16, 1:45 AM PST · 13046 days ago · 18 km deep · 29 km away
19. 2.728 km SSW of Ferndale, CaliforniaThu, Jan 17, 7:03 AM PST · 13044 days ago · 16 km deep · 12 km away
20. 1.82 km NW of Pine Hills, CaliforniaThu, Jan 17, 4:36 PM PST · 13044 days ago · 25 km deep · 42 km away
21. 1.953 km WSW of Ferndale, CaliforniaFri, Jan 18, 10:27 AM PST · 13043 days ago · 9 km deep · 31 km away
22. 3.336 km SW of Ferndale, CaliforniaFri, Jan 18, 12:08 PM PST · 13043 days ago · 22 km deep · 14 km away
23. 2.870 km W of Ferndale, CaliforniaFri, Jan 18, 3:25 PM PST · 13043 days ago · 22 km deep · 53 km away
24. 2.832 km WSW of Ferndale, CaliforniaFri, Jan 18, 7:00 PM PST · 13043 days ago · 13 km deep · 10 km away
25. 2.21 km E of Loleta, CaliforniaFri, Jan 18, 9:55 PM PST · 13043 days ago · 7 km deep · 32 km away
26. 1.924 km SSW of Ferndale, CaliforniaFri, Jan 18, 10:07 PM PST · 13043 days ago · 12 km deep · 9 km away
27. 2.041 km SW of Ferndale, CaliforniaSat, Jan 19, 3:18 AM PST · 13042 days ago · 15 km deep · 18 km away
28. 1.95 km WSW of Ferndale, CaliforniaSun, Jan 20, 11:11 PM PST · 13041 days ago · 12 km deep · 19 km away
29. 2.433 km SW of Ferndale, CaliforniaTue, Jan 22, 3:42 PM PST · 13039 days ago · 16 km deep · 12 km away
30. 2.311 km NW of Willow Creek, CaliforniaWed, Jan 23, 1:25 PM PST · 13038 days ago · 20 km deep · 90 km away
31. 2.428 km SW of Scotia, CaliforniaThu, Jan 24, 8:12 PM PST · 13037 days ago · 15 km deep · 22 km away
32. 1.946 km WSW of Ferndale, CaliforniaSat, Jan 26, 7:24 AM PST · 13035 days ago · 12 km deep · 26 km away
33. 2.834 km SSW of Ferndale, CaliforniaSun, Jan 27, 9:17 AM PST · 13034 days ago · 4 km deep · 17 km away
34. 1.613 km NW of Mad River, CaliforniaSun, Jan 27, 3:33 PM PST · 13034 days ago · 4 km deep · 73 km away
35. 2.5101 km W of Ferndale, CaliforniaTue, Jan 29, 1:06 PM PST · 13032 days ago · 9 km deep · 82 km away
36. 1.627 km SSW of Ferndale, CaliforniaWed, Jan 30, 8:44 AM PST · 13031 days ago · 3 km deep · 12 km away
37. 2.540 km SW of Ferndale, CaliforniaSat, Feb 2, 8:11 AM PST · 13028 days ago · 4 km deep · 20 km away
38. 3.539 km SW of Ferndale, CaliforniaSat, Feb 2, 7:58 PM PST · 13028 days ago · 23 km deep · 16 km away
39. 2.79 km S of Ferndale, CaliforniaSat, Feb 2, 8:11 PM PST · 13028 days ago · 20 km deep · 18 km away
40. 1.911 km SW of Scotia, CaliforniaSat, Feb 2, 8:39 PM PST · 13028 days ago · 5 km deep · 26 km away
41. 3.339 km W of Ferndale, CaliforniaSat, Feb 2, 11:12 PM PST · 13028 days ago · 22 km deep · 24 km away
42. 2.380 km WSW of Ferndale, CaliforniaSun, Feb 3, 12:06 AM PST · 13028 days ago · 4 km deep · 58 km away
43. 1.77 km W of Rio Dell, CaliforniaSun, Feb 3, 7:46 AM PST · 13027 days ago · 18 km deep · 25 km away
44. 2.134 km WSW of Ferndale, CaliforniaMon, Feb 4, 11:53 PM PST · 13026 days ago · 23 km deep · 16 km away
45. 1.713 km ENE of Hydesville, CaliforniaWed, Feb 6, 3:19 PM PST · 13024 days ago · 17 km deep · 48 km away
46. 3.020 km SW of Scotia, CaliforniaThu, Feb 7, 8:38 PM PST · 13023 days ago · 26 km deep · 20 km away
47. 1.923 km SSW of Ferndale, CaliforniaSat, Feb 9, 8:02 PM PST · 13021 days ago · 4 km deep · 11 km away
48. 1.626 km SSW of Ferndale, CaliforniaSat, Feb 9, 8:31 PM PST · 13021 days ago · 17 km deep · 11 km away
49. 1.826 km SSW of Ferndale, CaliforniaSun, Feb 10, 3:03 AM PST · 13020 days ago · 16 km deep · 11 km away
50. 1.818 km WSW of Weott, CaliforniaTue, Feb 12, 12:57 PM PST · 13018 days ago · 13 km deep · 39 km away
51. 1.620 km WSW of Weott, CaliforniaTue, Feb 12, 1:01 PM PST · 13018 days ago · 13 km deep · 39 km away
52. 2.856 km WNW of Shelter Cove, CaliforniaWed, Feb 13, 7:30 AM PST · 13017 days ago · 56 km deep · 40 km away
53. 1.819 km SSW of Scotia, CaliforniaWed, Feb 13, 5:32 PM PST · 13017 days ago · 22 km deep · 26 km away
54. 2.335 km SW of Ferndale, CaliforniaSat, Feb 16, 5:04 PM PST · 13014 days ago · 20 km deep · 13 km away
55. 1.619 km WSW of Weott, CaliforniaSun, Feb 17, 3:58 PM PST · 13013 days ago · 4 km deep · 34 km away
56. 3.811 km WNW of Ferndale, CaliforniaSun, Feb 17, 6:35 PM PST · 13013 days ago · 18 km deep · 19 km away
57. 2.255 km W of Trinidad, CaliforniaSun, Feb 17, 11:32 PM PST · 13013 days ago · 4 km deep · 75 km away
58. 4.280 km W of Ferndale, CaliforniaThu, Feb 21, 12:53 PM PST · 13009 days ago · 4 km deep · 62 km away
59. 1.932 km W of Ferndale, CaliforniaSat, Feb 23, 5:06 PM PST · 13007 days ago · 8 km deep · 15 km away
60. 1.531 km SW of Scotia, CaliforniaSun, Feb 24, 2:25 AM PST · 13006 days ago · 8 km deep · 18 km away

The first 60 of 61.

Before

1. 2.10 km SSW of Mad River, CaliforniaWed, Dec 26, 8:41 PM PST · 13066 days ago · 9 km deep · 82 km away
2. 2.048 km SW of Ferndale, CaliforniaWed, Dec 26, 8:39 AM PST · 13066 days ago · 12 km deep · 25 km away
3. 2.228 km SW of Ferndale, CaliforniaWed, Dec 26, 1:48 AM PST · 13067 days ago · 16 km deep · 7 km away
4. 2.442 km WSW of Ferndale, CaliforniaTue, Dec 25, 2:50 PM PST · 13067 days ago · 15 km deep · 20 km away
5. 2.337 km SSW of Ferndale, CaliforniaSat, Dec 22, 9:15 PM PST · 13070 days ago · 16 km deep · 18 km away
6. 2.31 km WSW of Scotia, CaliforniaSat, Dec 22, 5:55 PM PST · 13070 days ago · 18 km deep · 31 km away
7. 1.733 km SW of Ferndale, CaliforniaSat, Dec 22, 3:09 AM PST · 13070 days ago · 11 km deep · 10 km away
8. 2.424 km SW of Scotia, CaliforniaFri, Dec 21, 5:40 AM PST · 13071 days ago · 4 km deep · 17 km away
9. 3.315 km SSW of Scotia, CaliforniaThu, Dec 20, 10:55 PM PST · 13072 days ago · 21 km deep · 31 km away
10. 2.227 km SW of Scotia, CaliforniaTue, Dec 18, 8:18 AM PST · 13074 days ago · 18 km deep · 16 km away
11. 3.1104 km W of Ferndale, CaliforniaSun, Dec 16, 7:11 PM PST · 13076 days ago · 5 km deep · 86 km away
12. 2.127 km WSW of Ferndale, CaliforniaFri, Dec 14, 5:03 AM PST · 13078 days ago · 25 km deep · 9 km away
13. 1.730 km SW of Scotia, CaliforniaThu, Dec 13, 11:33 PM PST · 13079 days ago · 12 km deep · 20 km away
14. 3.761 km W of Ferndale, CaliforniaThu, Dec 13, 5:53 AM PST · 13079 days ago · -1 km deep · 43 km away
15. 1.622 km SSW of Ferndale, CaliforniaWed, Dec 12, 7:45 PM PST · 13080 days ago · 19 km deep · 10 km away
16. 1.748 km WSW of Ferndale, CaliforniaTue, Dec 11, 6:39 AM PST · 13081 days ago · 3 km deep · 27 km away
17. 2.067 km WSW of Ferndale, CaliforniaMon, Dec 10, 11:40 PM PST · 13082 days ago · 2 km deep · 47 km away
18. 3.42 km WSW of Scotia, CaliforniaMon, Dec 10, 9:52 PM PST · 13082 days ago · 20 km deep · 30 km away
19. 2.28 km S of Scotia, CaliforniaSun, Dec 9, 6:59 PM PST · 13083 days ago · 22 km deep · 34 km away
20. 2.02 km WSW of Scotia, CaliforniaSun, Dec 9, 5:57 AM PST · 13083 days ago · 23 km deep · 30 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc203728. Read Sun, Oct 4, 2026, 9:43 PM UTC.