M1.5 earthquake 11 km W of Hayfork, California

Magnitude

1.5 (md), micro

Local time

Tue, Mar 22, 1983, 2:12 AM PST

UTC

1983-03-22 10:12:53 UTC

Depth

3.8 km (2.3 mi), shallow

Epicenter

40.545° N, 123.322° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.8 km horizontally, 15.2 km in depth

Magnitude uncertainty

±0.32

Depth from

From location

Station coverage gap

222°, poorly surrounded by stations

Stations used

4

• Hayfork, CaliforniaPopulation 2,368. Forecast12 kmW
• Bayside, CaliforniaPopulation 17,132. Forecast71 kmESE
• Chico, CaliforniaPopulation 121,345. Forecast155 kmNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast850 kmNNW

After

1. 2.610 km ENE of Ruth, CaliforniaTue, Mar 22, 5:28 PM PST · 15898 days ago · 36 km deep · 27 km away
2. 2.011 km NE of Ruth, CaliforniaTue, Mar 22, 5:30 PM PST · 15898 days ago · 16 km deep · 24 km away
3. 1.93 km ENE of Covelo, CaliforniaTue, Mar 22, 11:18 PM PST · 15897 days ago · 10 km deep · 82 km away
4. 3.129 km NNW of Junction City, CaliforniaWed, Mar 23, 12:17 AM PST · 15897 days ago · 30 km deep · 50 km away
5. 1.834 km SSW of Ferndale, CaliforniaWed, Mar 23, 8:49 PM PST · 15897 days ago · 17 km deep · 99 km away
6. 2.021 km W of Samoa, CaliforniaWed, Mar 23, 9:00 PM PST · 15897 days ago · 24 km deep · 99 km away
7. 3.015 km NNW of Willow Creek, CaliforniaThu, Mar 24, 6:23 AM PST · 15896 days ago · 30 km deep · 67 km away
8. 2.011 km SSW of Benbow, CaliforniaFri, Mar 25, 7:22 AM PST · 15895 days ago · 6 km deep · 76 km away
9. 1.617 km SW of Scotia, CaliforniaFri, Mar 25, 11:43 PM PST · 15894 days ago · 19 km deep · 79 km away
10. 2.18 km SE of Burnt Ranch, CaliforniaSat, Mar 26, 9:01 PM PST · 15894 days ago · 39 km deep · 24 km away
11. 3.012 km WSW of Trinidad, CaliforniaSun, Mar 27, 2:09 PM PST · 15893 days ago · 17 km deep · 96 km away
12. 1.9near the coast of Northern CaliforniaMon, Mar 28, 6:41 AM PST · 15892 days ago · 23 km deep · 94 km away
13. 1.512 km WNW of Mad River, CaliforniaMon, Mar 28, 12:00 PM PST · 15892 days ago · 25 km deep · 29 km away
14. 2.50 km NNE of Fieldbrook, CaliforniaTue, Mar 29, 2:03 AM PST · 15891 days ago · 21 km deep · 76 km away
15. 2.025 km SSW of Ferndale, CaliforniaWed, Mar 30, 7:53 AM PST · 15890 days ago · 17 km deep · 91 km away
16. 2.121 km SW of Scotia, CaliforniaWed, Mar 30, 2:58 PM PST · 15890 days ago · 19 km deep · 85 km away
17. 1.821 km SSW of Ferndale, CaliforniaFri, Apr 1, 9:50 AM PST · 15888 days ago · 20 km deep · 89 km away
18. 3.126 km W of Paskenta, CaliforniaSat, Apr 2, 7:55 PM PST · 15887 days ago · -1 km deep · 79 km away
19. 2.326 km SW of Ferndale, CaliforniaMon, Apr 4, 8:55 AM PST · 15885 days ago · 27 km deep · 96 km away
20. 1.70 km SSW of Lakehead, CaliforniaMon, Apr 4, 10:45 PM PST · 15884 days ago · 7 km deep · 89 km away
21. 2.211 km N of Lakehead, CaliforniaMon, Apr 4, 10:47 PM PST · 15884 days ago · 9 km deep · 93 km away
22. 1.72 km WNW of Fortuna, CaliforniaThu, Apr 7, 1:23 AM PST · 15882 days ago · 10 km deep · 74 km away
23. 2.135 km SW of Scotia, CaliforniaThu, Apr 7, 12:02 PM PST · 15882 days ago · 11 km deep · 97 km away
24. 1.513 km ESE of Orick, CaliforniaThu, Apr 7, 9:02 PM PST · 15882 days ago · 15 km deep · 93 km away
25. 2.326 km SSW of Ferndale, CaliforniaSun, Apr 10, 11:49 AM PST · 15879 days ago · 14 km deep · 94 km away
26. 1.727 km SSW of Ferndale, CaliforniaSun, Apr 10, 1:46 PM PST · 15879 days ago · 13 km deep · 94 km away
27. 1.78 km ESE of Hydesville, CaliforniaMon, Apr 11, 3:13 AM PST · 15878 days ago · 22 km deep · 58 km away
28. 1.814 km SE of Indianola, CaliforniaWed, Apr 13, 1:44 AM PST · 15876 days ago · 21 km deep · 57 km away
29. 1.919 km WSW of Weott, CaliforniaThu, Apr 14, 12:45 AM PST · 15875 days ago · 22 km deep · 76 km away
30. 2.07 km SSW of Ferndale, CaliforniaThu, Apr 14, 6:04 AM PST · 15875 days ago · 10 km deep · 83 km away
31. 1.926 km SW of Scotia, CaliforniaThu, Apr 14, 8:29 AM PST · 15875 days ago · 5 km deep · 88 km away
32. 1.724 km WSW of Weott, CaliforniaSat, Apr 16, 7:35 AM PST · 15873 days ago · 6 km deep · 81 km away
33. 1.66 km NE of Mad River, CaliforniaSun, Apr 17, 10:12 AM PST · 15872 days ago · -1 km deep · 13 km away
34. 2.314 km WNW of Ferndale, CaliforniaSun, Apr 17, 5:29 PM PST · 15872 days ago · 21 km deep · 94 km away
35. 1.62 km N of Indianola, CaliforniaMon, Apr 18, 3:36 AM PST · 15871 days ago · 4 km deep · 79 km away
36. 1.88 km W of Rio Dell, CaliforniaTue, Apr 19, 5:25 PM PST · 15870 days ago · 20 km deep · 75 km away
37. 2.025 km SSW of Ferndale, CaliforniaWed, Apr 20, 1:30 PM PST · 15869 days ago · 20 km deep · 94 km away
38. 2.021 km SSW of Ferndale, CaliforniaWed, Apr 20, 1:33 PM PST · 15869 days ago · 21 km deep · 89 km away
39. 1.96 km ESE of Redding, CaliforniaWed, Apr 20, 4:39 PM PST · 15869 days ago · 18 km deep · 84 km away
40. 2.119 km SW of Ferndale, CaliforniaWed, Apr 20, 9:41 PM PST · 15869 days ago · 22 km deep · 96 km away
41. 1.619 km SSW of Ferndale, CaliforniaThu, Apr 21, 10:55 AM PST · 15868 days ago · 22 km deep · 88 km away
42. 2.419 km W of Ferndale, CaliforniaThu, Apr 21, 11:40 AM PST · 15868 days ago · 23 km deep · 99 km away
43. 1.635 km SSW of Ferndale, CaliforniaFri, Apr 22, 3:58 AM PST · 15867 days ago · 4 km deep · 98 km away
44. 2.118 km WNW of Hyampom, CaliforniaFri, Apr 22, 8:35 PM PST · 15867 days ago · 29 km deep · 32 km away
45. 1.514 km S of Ferndale, CaliforniaFri, Apr 22, 11:13 PM PST · 15866 days ago · 24 km deep · 83 km away
46. 1.511 km S of Ferndale, CaliforniaSat, Apr 23, 8:15 AM PST · 15866 days ago · 6 km deep · 81 km away
47. 2.115 km ESE of Indianola, CaliforniaSat, Apr 23, 10:50 PM PST · 15865 days ago · 20 km deep · 55 km away
48. 3.216 km SW of Ferndale, CaliforniaSun, Apr 24, 10:08 AM PDT · 15865 days ago · 25 km deep · 93 km away
49. 1.620 km WSW of Weott, CaliforniaTue, Apr 26, 8:58 AM PDT · 15863 days ago · -1 km deep · 77 km away
50. 1.534 km SSW of Ferndale, CaliforniaTue, Apr 26, 6:37 PM PDT · 15863 days ago · 5 km deep · 98 km away
51. 1.811 km SW of Scotia, CaliforniaFri, Apr 29, 7:31 AM PDT · 15860 days ago · 30 km deep · 74 km away
52. 1.93 km NW of Lakehead, CaliforniaFri, Apr 29, 12:06 PM PDT · 15860 days ago · 12 km deep · 89 km away
53. 3.128 km SSW of Ferndale, CaliforniaFri, Apr 29, 1:48 PM PDT · 15860 days ago · 18 km deep · 97 km away
54. 1.74 km SE of Leggett, CaliforniaSat, Apr 30, 9:43 PM PDT · 15859 days ago · 7 km deep · 84 km away
55. 2.032 km WNW of Paskenta, CaliforniaSun, May 1, 1:00 AM PDT · 15858 days ago · 14 km deep · 75 km away
56. 1.924 km SSW of Ferndale, CaliforniaSun, May 1, 10:02 AM PDT · 15858 days ago · 19 km deep · 94 km away
57. 2.026 km SSW of Ferndale, CaliforniaSun, May 1, 5:19 PM PDT · 15858 days ago · 16 km deep · 91 km away
58. 1.67 km WNW of Laytonville, CaliforniaMon, May 2, 4:08 PM PDT · 15857 days ago · 4 km deep · 96 km away
59. 2.132 km SSW of Ferndale, CaliforniaThu, May 5, 11:38 AM PDT · 15854 days ago · 5 km deep · 96 km away
60. 1.97 km W of Laytonville, CaliforniaFri, May 6, 3:47 PM PDT · 15853 days ago · 1 km deep · 96 km away

The first 60 of 72.

Before

1. 1.68 km WSW of Ferndale, CaliforniaSun, Mar 20, 6:03 PM PST · 15900 days ago · 14 km deep · 88 km away
2. 2.12 km ENE of Garberville, CaliforniaSat, Mar 19, 10:55 AM PST · 15901 days ago · 19 km deep · 62 km away
3. 2.213 km SW of Ferndale, CaliforniaFri, Mar 18, 11:00 PM PST · 15901 days ago · 24 km deep · 90 km away
4. 1.914 km NE of Redcrest, CaliforniaFri, Mar 18, 9:46 AM PST · 15902 days ago · 24 km deep · 44 km away
5. 1.58 km SW of Scotia, CaliforniaFri, Mar 18, 9:30 AM PST · 15902 days ago · 14 km deep · 74 km away
6. 2.08 km W of Loleta, CaliforniaFri, Mar 18, 8:52 AM PST · 15902 days ago · 19 km deep · 85 km away
7. 1.620 km SW of Ferndale, CaliforniaFri, Mar 18, 6:16 AM PST · 15902 days ago · 19 km deep · 95 km away
8. 1.924 km SW of Ferndale, CaliforniaFri, Mar 18, 3:32 AM PST · 15902 days ago · 20 km deep · 96 km away
9. 1.86 km N of Trinity Village, CaliforniaWed, Mar 16, 3:32 PM PST · 15904 days ago · 23 km deep · 46 km away
10. 1.832 km SW of Scotia, CaliforniaTue, Mar 15, 4:31 PM PST · 15905 days ago · 11 km deep · 92 km away
11. 2.032 km SW of Scotia, CaliforniaTue, Mar 15, 4:31 PM PST · 15905 days ago · 20 km deep · 94 km away
12. 2.218 km W of Junction City, CaliforniaSun, Mar 13, 9:11 AM PST · 15907 days ago · 18 km deep · 19 km away
13. 1.610 km ESE of Blue Lake, CaliforniaSat, Mar 12, 4:54 PM PST · 15908 days ago · 26 km deep · 58 km away
14. 2.326 km SW of Scotia, CaliforniaThu, Mar 10, 8:08 PM PST · 15910 days ago · 4 km deep · 90 km away
15. 1.813 km E of Fieldbrook, CaliforniaTue, Mar 8, 11:47 AM PST · 15912 days ago · 4 km deep · 67 km away
16. 2.023 km SSW of Ferndale, CaliforniaThu, Mar 3, 9:31 PM PST · 15917 days ago · 17 km deep · 90 km away
17. 2.53 km WNW of Redding, CaliforniaFri, Feb 25, 11:39 PM PST · 15922 days ago · 24 km deep · 75 km away
18. 2.65 km ESE of Blue Lake, CaliforniaThu, Feb 24, 11:38 AM PST · 15924 days ago · 1 km deep · 62 km away
19. 2.721 km WSW of Weott, CaliforniaThu, Feb 24, 6:49 AM PST · 15924 days ago · 10 km deep · 78 km away
20. 2.114 km W of Laytonville, CaliforniaTue, Feb 22, 9:10 PM PST · 15926 days ago · -1 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1089474. Read Wed, Sep 30, 2026, 5:47 PM UTC.