M2.0 earthquake 9 km E of Hydesville, California

Magnitude

2.0 (md), micro

Local time

Tue, Sep 21, 1982, 5:36 PM PDT

UTC

1982-09-22 00:36:12 UTC

Depth

21.8 km (13.6 mi), shallow

Epicenter

40.542° N, 123.983° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

48°

Stations used

27

• Hydesville, CaliforniaPopulation 1,237. Forecast10 kmE
• Fortuna, CaliforniaPopulation 12,000. Forecast16 kmESE
• Chico, CaliforniaPopulation 121,345. Forecast204 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast882 kmNNW

After

1. 1.921 km SSW of Ferndale, CaliforniaTue, Sep 21, 11:17 PM PDT · 16076 days ago · 29 km deep · 37 km away
2. 1.614 km SSW of Ferndale, CaliforniaWed, Sep 22, 11:42 AM PDT · 16075 days ago · 27 km deep · 32 km away
3. 1.718 km WSW of Ferndale, CaliforniaThu, Sep 23, 4:47 AM PDT · 16075 days ago · 22 km deep · 40 km away
4. 1.59 km ESE of Blue Lake, CaliforniaThu, Sep 23, 6:23 PM PDT · 16074 days ago · 26 km deep · 35 km away
5. 1.67 km ESE of Hydesville, CaliforniaThu, Sep 23, 9:55 PM PDT · 16074 days ago · 21 km deep · 2 km away
6. 1.87 km N of Redcrest, CaliforniaFri, Sep 24, 12:18 AM PDT · 16074 days ago · 53 km deep · 9 km away
7. 2.08 km NNW of Leggett, CaliforniaFri, Sep 24, 3:09 PM PDT · 16073 days ago · -1 km deep · 71 km away
8. 1.636 km SW of Ferndale, CaliforniaSat, Sep 25, 9:24 AM PDT · 16072 days ago · 27 km deep · 52 km away
9. 2.419 km WNW of Ferndale, CaliforniaSat, Sep 25, 1:36 PM PDT · 16072 days ago · 22 km deep · 43 km away
10. 1.98 km S of Benbow, CaliforniaSat, Sep 25, 3:09 PM PDT · 16072 days ago · 5 km deep · 64 km away
11. 1.68 km NW of Laytonville, CaliforniaSun, Sep 26, 12:46 AM PDT · 16072 days ago · 11 km deep · 96 km away
12. 1.65 km SE of Ferndale, CaliforniaMon, Sep 27, 5:58 AM PDT · 16071 days ago · 10 km deep · 20 km away
13. 2.934 km WSW of Ferndale, CaliforniaWed, Sep 29, 12:20 AM PDT · 16069 days ago · 24 km deep · 55 km away
14. 1.627 km WSW of Ferndale, CaliforniaWed, Sep 29, 12:55 AM PDT · 16069 days ago · 23 km deep · 48 km away
15. 1.543 km SW of Ferndale, CaliforniaWed, Sep 29, 10:17 AM PDT · 16068 days ago · 17 km deep · 61 km away
16. 1.518 km SSW of Ferndale, CaliforniaFri, Oct 1, 12:55 AM PDT · 16067 days ago · 27 km deep · 36 km away
17. 1.514 km ENE of Weott, CaliforniaFri, Oct 1, 8:14 AM PDT · 16066 days ago · 25 km deep · 27 km away
18. 1.721 km WNW of Mad River, CaliforniaFri, Oct 1, 10:09 PM PDT · 16066 days ago · 24 km deep · 21 km away
19. 2.320 km SSW of Ferndale, CaliforniaSat, Oct 2, 7:24 AM PDT · 16066 days ago · 26 km deep · 34 km away
20. 1.621 km SSW of Ferndale, CaliforniaSat, Oct 2, 7:26 AM PDT · 16066 days ago · 27 km deep · 34 km away
21. 1.526 km W of Hyampom, CaliforniaSun, Oct 3, 1:36 AM PDT · 16065 days ago · 25 km deep · 23 km away
22. 1.936 km SSW of Ferndale, CaliforniaSun, Oct 3, 3:23 AM PDT · 16065 days ago · 13 km deep · 50 km away
23. 1.729 km SSW of Ferndale, CaliforniaSun, Oct 3, 7:44 PM PDT · 16064 days ago · 17 km deep · 45 km away
24. 2.165 km WSW of Ferndale, CaliforniaMon, Oct 4, 8:44 PM PDT · 16063 days ago · 13 km deep · 87 km away
25. 1.738 km WSW of Ferndale, CaliforniaTue, Oct 5, 7:25 PM PDT · 16062 days ago · 26 km deep · 62 km away
26. 1.525 km SW of Ferndale, CaliforniaWed, Oct 6, 11:29 PM PDT · 16061 days ago · 28 km deep · 44 km away
27. 1.77 km NNE of Mad River, CaliforniaSat, Oct 9, 3:37 AM PDT · 16059 days ago · 22 km deep · 44 km away
28. 2.437 km SW of Ferndale, CaliforniaSat, Oct 9, 11:41 AM PDT · 16058 days ago · 21 km deep · 54 km away
29. 1.79 km ENE of Benbow, CaliforniaSun, Oct 10, 4:02 PM PDT · 16057 days ago · 29 km deep · 56 km away
30. 2.455 km WSW of Ferndale, CaliforniaMon, Oct 11, 2:20 AM PDT · 16057 days ago · 5 km deep · 76 km away
31. 3.368 km WSW of Ferndale, CaliforniaMon, Oct 11, 7:07 AM PDT · 16057 days ago · 1 km deep · 91 km away
32. 3.315 km WSW of Ferndale, CaliforniaTue, Oct 12, 5:18 AM PDT · 16056 days ago · 24 km deep · 38 km away
33. 2.216 km WNW of Ferndale, CaliforniaTue, Oct 12, 6:48 AM PDT · 16056 days ago · 23 km deep · 41 km away
34. 1.621 km SW of Ferndale, CaliforniaWed, Oct 13, 8:49 PM PDT · 16054 days ago · 21 km deep · 40 km away
35. 1.635 km SW of Ferndale, CaliforniaThu, Oct 14, 6:54 AM PDT · 16054 days ago · 24 km deep · 54 km away
36. 1.910 km S of Douglas City, CaliforniaThu, Oct 14, 10:58 AM PDT · 16053 days ago · 3 km deep · 88 km away
37. 2.139 km SW of Ferndale, CaliforniaThu, Oct 14, 2:19 PM PDT · 16053 days ago · 22 km deep · 57 km away
38. 1.634 km SW of Scotia, CaliforniaThu, Oct 14, 5:22 PM PDT · 16053 days ago · 19 km deep · 47 km away
39. 1.829 km SW of Scotia, CaliforniaFri, Oct 15, 12:30 AM PDT · 16053 days ago · 20 km deep · 41 km away
40. 2.828 km W of Trinidad, CaliforniaFri, Oct 15, 2:34 AM PDT · 16053 days ago · 17 km deep · 73 km away
41. 3.3near the coast of Northern CaliforniaFri, Oct 15, 4:00 AM PDT · 16053 days ago · 7 km deep · 65 km away
42. 2.037 km SW of Ferndale, CaliforniaSat, Oct 16, 2:54 AM PDT · 16052 days ago · 21 km deep · 54 km away
43. 2.940 km SW of Ferndale, CaliforniaSat, Oct 16, 6:47 PM PDT · 16051 days ago · 18 km deep · 58 km away
44. 1.717 km SW of Scotia, CaliforniaSat, Oct 16, 10:47 PM PDT · 16051 days ago · 25 km deep · 29 km away
45. 2.730 km SW of Ferndale, CaliforniaSun, Oct 17, 12:46 PM PDT · 16050 days ago · 25 km deep · 49 km away
46. 2.110 km S of Ferndale, CaliforniaSun, Oct 17, 8:17 PM PDT · 16050 days ago · 19 km deep · 26 km away
47. 1.910 km S of Ferndale, CaliforniaMon, Oct 18, 12:54 AM PDT · 16050 days ago · 19 km deep · 26 km away
48. 1.98 km SE of Blue Lake, CaliforniaTue, Oct 19, 2:06 PM PDT · 16048 days ago · -1 km deep · 32 km away
49. 1.855 km W of Ferndale, CaliforniaTue, Oct 19, 2:59 PM PDT · 16048 days ago · 7 km deep · 79 km away
50. 2.729 km W of Trinidad, CaliforniaTue, Oct 19, 10:59 PM PDT · 16048 days ago · 19 km deep · 75 km away
51. 1.937 km WSW of Ferndale, CaliforniaWed, Oct 20, 5:54 AM PDT · 16048 days ago · 24 km deep · 59 km away
52. 2.471 km WNW of Samoa, CaliforniaWed, Oct 20, 8:11 AM PDT · 16048 days ago · 5 km deep · 98 km away
53. 2.57 km WNW of Trinidad, CaliforniaWed, Oct 20, 6:29 PM PDT · 16047 days ago · 19 km deep · 64 km away
54. 1.55 km NNE of Hydesville, CaliforniaThu, Oct 21, 12:31 AM PDT · 16047 days ago · 20 km deep · 9 km away
55. 1.939 km SW of Ferndale, CaliforniaThu, Oct 21, 1:19 AM PDT · 16047 days ago · 22 km deep · 55 km away
56. 1.941 km SW of Ferndale, CaliforniaFri, Oct 22, 12:11 AM PDT · 16046 days ago · 13 km deep · 57 km away
57. 2.426 km SSW of Ferndale, CaliforniaFri, Oct 22, 8:24 PM PDT · 16045 days ago · 18 km deep · 41 km away
58. 1.628 km SW of Scotia, CaliforniaSun, Oct 24, 8:42 AM PDT · 16043 days ago · 4 km deep · 40 km away
59. 1.522 km WSW of Ferndale, CaliforniaMon, Oct 25, 8:29 PM PDT · 16042 days ago · 22 km deep · 45 km away
60. 2.28 km SSW of Mad River, CaliforniaTue, Oct 26, 1:44 PM PDT · 16041 days ago · 30 km deep · 42 km away

The first 60 of 89.

Before

1. 2.551 km W of Ferndale, CaliforniaTue, Sep 21, 9:34 AM PDT · 16076 days ago · 31 km deep · 75 km away
2. 2.819 km SW of Scotia, CaliforniaMon, Sep 20, 2:56 AM PDT · 16078 days ago · 30 km deep · 31 km away
3. 2.0off the coast of Northern CaliforniaSun, Sep 19, 11:00 PM PDT · 16078 days ago · 6 km deep · 90 km away
4. 2.04 km E of Loleta, CaliforniaSun, Sep 19, 4:38 PM PDT · 16078 days ago · 22 km deep · 19 km away
5. 1.76 km SW of Scotia, CaliforniaSun, Sep 19, 1:49 PM PDT · 16078 days ago · 23 km deep · 19 km away
6. 2.238 km SW of Ferndale, CaliforniaSat, Sep 18, 1:26 PM PDT · 16079 days ago · 20 km deep · 55 km away
7. 1.610 km SSW of Ferndale, CaliforniaSat, Sep 18, 8:41 AM PDT · 16079 days ago · 19 km deep · 27 km away
8. 2.847 km WSW of Ferndale, CaliforniaSat, Sep 18, 6:24 AM PDT · 16080 days ago · 21 km deep · 68 km away
9. 1.627 km SW of Ferndale, CaliforniaFri, Sep 17, 9:38 PM PDT · 16080 days ago · 17 km deep · 45 km away
10. 2.046 km W of Ferndale, CaliforniaFri, Sep 17, 4:26 AM PDT · 16081 days ago · 19 km deep · 70 km away
11. 1.616 km SW of Scotia, CaliforniaThu, Sep 16, 9:38 PM PDT · 16081 days ago · 30 km deep · 29 km away
12. 2.643 km SW of Ferndale, CaliforniaThu, Sep 16, 2:13 PM PDT · 16081 days ago · 19 km deep · 61 km away
13. 3.010 km ESE of Pine Hills, CaliforniaThu, Sep 16, 3:26 AM PDT · 16082 days ago · 20 km deep · 18 km away
14. 1.629 km SSW of Ferndale, CaliforniaThu, Sep 16, 1:31 AM PDT · 16082 days ago · 17 km deep · 45 km away
15. 1.614 km NNE of Redcrest, CaliforniaWed, Sep 15, 12:37 AM PDT · 16083 days ago · 24 km deep · 9 km away
16. 1.57 km NW of Laytonville, CaliforniaTue, Sep 14, 5:20 PM PDT · 16083 days ago · 5 km deep · 98 km away
17. 1.89 km WNW of Indianola, CaliforniaMon, Sep 13, 2:01 PM PDT · 16084 days ago · 26 km deep · 36 km away
18. 1.634 km SW of Ferndale, CaliforniaSun, Sep 12, 2:37 PM PDT · 16085 days ago · 29 km deep · 54 km away
19. 1.636 km WSW of Ferndale, CaliforniaSun, Sep 12, 2:36 PM PDT · 16085 days ago · 24 km deep · 58 km away
20. 1.726 km SW of Ferndale, CaliforniaSun, Sep 12, 12:04 PM PDT · 16085 days ago · 23 km deep · 47 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1079288. Read Sun, Sep 27, 2026, 2:42 AM UTC.