M2.1 earthquake 32 km W of Ferndale, California

Magnitude

2.1 (md), micro

Local time

Wed, Mar 23, 1983, 11:28 AM PST

UTC

1983-03-23 19:28:30 UTC

Depth

33.0 km (20.5 mi), shallow

Epicenter

40.628° N, 124.641° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 7.4 km horizontally, 4.4 km in depth

Depth from

From location

Station coverage gap

301°, poorly surrounded by stations

Stations used

5

• Ferndale, CaliforniaPopulation 1,369. Forecast32 kmW
• Fortuna, CaliforniaPopulation 12,000. Forecast41 kmW
• Chico, CaliforniaPopulation 121,345. Forecast258 kmWNW

After

1. 1.834 km SSW of Ferndale, CaliforniaWed, Mar 23, 8:49 PM PST · 15895 days ago · 17 km deep · 40 km away
2. 2.021 km W of Samoa, CaliforniaWed, Mar 23, 9:00 PM PST · 15895 days ago · 24 km deep · 28 km away
3. 3.015 km NNW of Willow Creek, CaliforniaThu, Mar 24, 6:23 AM PST · 15894 days ago · 30 km deep · 94 km away
4. 1.521 km W of Ferndale, CaliforniaFri, Mar 25, 6:51 PM PST · 15893 days ago · 16 km deep · 13 km away
5. 1.617 km SW of Scotia, CaliforniaFri, Mar 25, 11:43 PM PST · 15892 days ago · 19 km deep · 47 km away
6. 1.739 km SW of Ferndale, CaliforniaSun, Mar 27, 9:12 AM PST · 15891 days ago · 8 km deep · 34 km away
7. 3.012 km WSW of Trinidad, CaliforniaSun, Mar 27, 2:09 PM PST · 15891 days ago · 17 km deep · 52 km away
8. 3.1off the coast of Northern CaliforniaMon, Mar 28, 12:03 AM PST · 15890 days ago · 51 km deep · 34 km away
9. 1.9near the coast of Northern CaliforniaMon, Mar 28, 6:41 AM PST · 15890 days ago · 23 km deep · 22 km away
10. 1.512 km WNW of Mad River, CaliforniaMon, Mar 28, 12:00 PM PST · 15890 days ago · 25 km deep · 85 km away
11. 2.50 km NNE of Fieldbrook, CaliforniaTue, Mar 29, 2:03 AM PST · 15889 days ago · 21 km deep · 64 km away
12. 2.035 km SSW of Ferndale, CaliforniaTue, Mar 29, 8:29 PM PST · 15889 days ago · 21 km deep · 38 km away
13. 1.841 km SSW of Ferndale, CaliforniaWed, Mar 30, 6:51 AM PST · 15888 days ago · 17 km deep · 42 km away
14. 2.025 km SSW of Ferndale, CaliforniaWed, Mar 30, 7:53 AM PST · 15888 days ago · 17 km deep · 38 km away
15. 2.121 km SW of Scotia, CaliforniaWed, Mar 30, 2:58 PM PST · 15888 days ago · 19 km deep · 41 km away
16. 1.821 km SSW of Ferndale, CaliforniaFri, Apr 1, 9:50 AM PST · 15886 days ago · 20 km deep · 35 km away
17. 2.326 km SW of Ferndale, CaliforniaMon, Apr 4, 8:55 AM PST · 15883 days ago · 27 km deep · 32 km away
18. 1.72 km WNW of Fortuna, CaliforniaThu, Apr 7, 1:23 AM PST · 15880 days ago · 10 km deep · 38 km away
19. 2.135 km SW of Scotia, CaliforniaThu, Apr 7, 12:02 PM PST · 15880 days ago · 11 km deep · 45 km away
20. 1.513 km ESE of Orick, CaliforniaThu, Apr 7, 9:02 PM PST · 15880 days ago · 15 km deep · 93 km away
21. 2.326 km SSW of Ferndale, CaliforniaSun, Apr 10, 11:49 AM PST · 15877 days ago · 14 km deep · 36 km away
22. 1.727 km SSW of Ferndale, CaliforniaSun, Apr 10, 1:46 PM PST · 15877 days ago · 13 km deep · 37 km away
23. 1.78 km ESE of Hydesville, CaliforniaMon, Apr 11, 3:13 AM PST · 15876 days ago · 22 km deep · 55 km away
24. 1.814 km SE of Indianola, CaliforniaWed, Apr 13, 1:44 AM PST · 15874 days ago · 21 km deep · 59 km away
25. 3.487 km W of Ferndale, CaliforniaWed, Apr 13, 10:36 AM PST · 15874 days ago · 5 km deep · 58 km away
26. 2.236 km WSW of Ferndale, CaliforniaWed, Apr 13, 6:59 PM PST · 15874 days ago · 29 km deep · 16 km away
27. 1.919 km WSW of Weott, CaliforniaThu, Apr 14, 12:45 AM PST · 15873 days ago · 22 km deep · 61 km away
28. 2.07 km SSW of Ferndale, CaliforniaThu, Apr 14, 6:04 AM PST · 15873 days ago · 10 km deep · 31 km away
29. 1.926 km SW of Scotia, CaliforniaThu, Apr 14, 8:29 AM PST · 15873 days ago · 5 km deep · 45 km away
30. 3.038 km SW of Ferndale, CaliforniaSat, Apr 16, 3:17 AM PST · 15871 days ago · 22 km deep · 33 km away
31. 1.724 km WSW of Weott, CaliforniaSat, Apr 16, 7:35 AM PST · 15871 days ago · 6 km deep · 57 km away
32. 1.758 km WNW of Fields Landing, CaliforniaSat, Apr 16, 2:24 PM PST · 15871 days ago · 9 km deep · 35 km away
33. 2.314 km WNW of Ferndale, CaliforniaSun, Apr 17, 5:29 PM PST · 15870 days ago · 21 km deep · 18 km away
34. 1.62 km N of Indianola, CaliforniaMon, Apr 18, 3:36 AM PST · 15869 days ago · 4 km deep · 35 km away
35. 3.950 km W of Ferndale, CaliforniaTue, Apr 19, 2:09 PM PST · 15868 days ago · 85 km deep · 22 km away
36. 1.88 km W of Rio Dell, CaliforniaTue, Apr 19, 5:25 PM PST · 15868 days ago · 20 km deep · 39 km away
37. 2.760 km WSW of Ferndale, CaliforniaWed, Apr 20, 8:31 AM PST · 15867 days ago · 25 km deep · 37 km away
38. 3.834 km SW of Ferndale, CaliforniaWed, Apr 20, 9:54 AM PST · 15867 days ago · 17 km deep · 36 km away
39. 2.025 km SSW of Ferndale, CaliforniaWed, Apr 20, 1:30 PM PST · 15867 days ago · 20 km deep · 34 km away
40. 2.021 km SSW of Ferndale, CaliforniaWed, Apr 20, 1:33 PM PST · 15867 days ago · 21 km deep · 35 km away
41. 3.535 km SSW of Ferndale, CaliforniaWed, Apr 20, 1:44 PM PST · 15867 days ago · 19 km deep · 37 km away
42. 2.119 km SW of Ferndale, CaliforniaWed, Apr 20, 9:41 PM PST · 15867 days ago · 22 km deep · 24 km away
43. 1.939 km SSW of Ferndale, CaliforniaThu, Apr 21, 8:30 AM PST · 15866 days ago · 12 km deep · 42 km away
44. 1.619 km SSW of Ferndale, CaliforniaThu, Apr 21, 10:55 AM PST · 15866 days ago · 22 km deep · 35 km away
45. 2.419 km W of Ferndale, CaliforniaThu, Apr 21, 11:40 AM PST · 15866 days ago · 23 km deep · 13 km away
46. 1.635 km SSW of Ferndale, CaliforniaFri, Apr 22, 3:58 AM PST · 15865 days ago · 4 km deep · 43 km away
47. 2.118 km WNW of Hyampom, CaliforniaFri, Apr 22, 8:35 PM PST · 15865 days ago · 29 km deep · 85 km away
48. 1.514 km S of Ferndale, CaliforniaFri, Apr 22, 11:13 PM PST · 15864 days ago · 24 km deep · 35 km away
49. 1.511 km S of Ferndale, CaliforniaSat, Apr 23, 8:15 AM PST · 15864 days ago · 6 km deep · 36 km away
50. 4.040 km WSW of Ferndale, CaliforniaSat, Apr 23, 2:52 PM PST · 15864 days ago · 20 km deep · 25 km away
51. 3.355 km WSW of Ferndale, CaliforniaSat, Apr 23, 7:08 PM PST · 15864 days ago · 23 km deep · 35 km away
52. 2.115 km ESE of Indianola, CaliforniaSat, Apr 23, 10:50 PM PST · 15863 days ago · 20 km deep · 62 km away
53. 3.216 km SW of Ferndale, CaliforniaSun, Apr 24, 10:08 AM PDT · 15863 days ago · 25 km deep · 24 km away
54. 1.620 km WSW of Weott, CaliforniaTue, Apr 26, 8:58 AM PDT · 15861 days ago · -1 km deep · 61 km away
55. 1.534 km SSW of Ferndale, CaliforniaTue, Apr 26, 6:37 PM PDT · 15861 days ago · 5 km deep · 41 km away
56. 1.528 km WNW of Ferndale, CaliforniaWed, Apr 27, 10:09 AM PDT · 15860 days ago · 23 km deep · 7 km away
57. 2.041 km SW of Ferndale, CaliforniaThu, Apr 28, 3:24 AM PDT · 15859 days ago · 10 km deep · 38 km away
58. 2.9121 km W of Ferndale, CaliforniaThu, Apr 28, 11:45 AM PDT · 15859 days ago · 7 km deep · 90 km away
59. 1.811 km SW of Scotia, CaliforniaFri, Apr 29, 7:31 AM PDT · 15858 days ago · 30 km deep · 47 km away
60. 3.128 km SSW of Ferndale, CaliforniaFri, Apr 29, 1:48 PM PDT · 15858 days ago · 18 km deep · 34 km away

The first 60 of 88.

Before

1. 2.154 km W of Ferndale, CaliforniaMon, Mar 21, 6:52 AM PST · 15897 days ago · 4 km deep · 23 km away
2. 1.68 km WSW of Ferndale, CaliforniaSun, Mar 20, 6:03 PM PST · 15898 days ago · 14 km deep · 24 km away
3. 3.883 km SW of Ferndale, CaliforniaSun, Mar 20, 3:48 AM PST · 15898 days ago · 5 km deep · 65 km away
4. 2.428 km W of Trinidad, CaliforniaSun, Mar 20, 2:31 AM PST · 15898 days ago · 18 km deep · 47 km away
5. 2.12 km ENE of Garberville, CaliforniaSat, Mar 19, 10:55 AM PST · 15899 days ago · 19 km deep · 93 km away
6. 2.213 km SW of Ferndale, CaliforniaFri, Mar 18, 11:00 PM PST · 15899 days ago · 24 km deep · 25 km away
7. 1.914 km NE of Redcrest, CaliforniaFri, Mar 18, 9:46 AM PST · 15900 days ago · 24 km deep · 70 km away
8. 1.58 km SW of Scotia, CaliforniaFri, Mar 18, 9:30 AM PST · 15900 days ago · 14 km deep · 45 km away
9. 2.08 km W of Loleta, CaliforniaFri, Mar 18, 8:52 AM PST · 15900 days ago · 19 km deep · 27 km away
10. 1.631 km WSW of Ferndale, CaliforniaFri, Mar 18, 6:51 AM PST · 15900 days ago · 15 km deep · 17 km away
11. 1.620 km SW of Ferndale, CaliforniaFri, Mar 18, 6:16 AM PST · 15900 days ago · 19 km deep · 27 km away
12. 1.924 km SW of Ferndale, CaliforniaFri, Mar 18, 3:32 AM PST · 15900 days ago · 20 km deep · 30 km away
13. 1.86 km N of Trinity Village, CaliforniaWed, Mar 16, 3:32 PM PST · 15902 days ago · 23 km deep · 99 km away
14. 1.832 km SW of Scotia, CaliforniaTue, Mar 15, 4:31 PM PST · 15903 days ago · 11 km deep · 48 km away
15. 2.032 km SW of Scotia, CaliforniaTue, Mar 15, 4:31 PM PST · 15903 days ago · 20 km deep · 45 km away
16. 1.610 km ESE of Blue Lake, CaliforniaSat, Mar 12, 4:54 PM PST · 15906 days ago · 26 km deep · 70 km away
17. 3.436 km SW of Ferndale, CaliforniaFri, Mar 11, 9:01 AM PST · 15907 days ago · 22 km deep · 36 km away
18. 2.326 km SW of Scotia, CaliforniaThu, Mar 10, 8:08 PM PST · 15908 days ago · 4 km deep · 40 km away
19. 3.734 km WSW of Ferndale, CaliforniaThu, Mar 10, 6:19 PM PST · 15908 days ago · 24 km deep · 24 km away
20. 1.813 km E of Fieldbrook, CaliforniaTue, Mar 8, 11:47 AM PST · 15910 days ago · 4 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1089521. Read Mon, Sep 28, 2026, 5:34 PM UTC.