M1.5 earthquake 5 km NNE of Hydesville, California

Magnitude

1.5 (md), micro

Local time

Thu, Oct 21, 1982, 12:31 AM PDT

UTC

1982-10-21 07:31:48 UTC

Depth

20.2 km (12.6 mi), shallow

Epicenter

40.592° N, 124.062° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

115°

Stations used

7

• Hydesville, CaliforniaPopulation 1,237. Forecast6 kmNNE
• Fortuna, CaliforniaPopulation 12,000. Forecast8 kmE
• Chico, CaliforniaPopulation 121,345. Forecast212 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast890 kmNNW

After

1. 1.939 km SW of Ferndale, CaliforniaThu, Oct 21, 1:19 AM PDT · 16050 days ago · 22 km deep · 53 km away
2. 1.941 km SW of Ferndale, CaliforniaFri, Oct 22, 12:11 AM PDT · 16049 days ago · 13 km deep · 55 km away
3. 2.426 km SSW of Ferndale, CaliforniaFri, Oct 22, 8:24 PM PDT · 16048 days ago · 18 km deep · 39 km away
4. 1.628 km SW of Scotia, CaliforniaSun, Oct 24, 8:42 AM PDT · 16046 days ago · 4 km deep · 41 km away
5. 1.522 km WSW of Ferndale, CaliforniaMon, Oct 25, 8:29 PM PDT · 16045 days ago · 22 km deep · 39 km away
6. 2.28 km SSW of Mad River, CaliforniaTue, Oct 26, 1:44 PM PDT · 16044 days ago · 30 km deep · 50 km away
7. 2.24 km SSE of Westhaven-Moonstone, CaliforniaTue, Oct 26, 8:56 PM PDT · 16044 days ago · 27 km deep · 46 km away
8. 2.127 km WNW of Samoa, CaliforniaThu, Oct 28, 1:14 AM PDT · 16043 days ago · 4 km deep · 52 km away
9. 1.521 km SW of Ferndale, CaliforniaThu, Oct 28, 4:38 PM PDT · 16042 days ago · 23 km deep · 37 km away
10. 1.623 km WSW of Weott, CaliforniaFri, Oct 29, 10:56 PM PDT · 16041 days ago · 9 km deep · 40 km away
11. 1.814 km NW of Junction City, CaliforniaSat, Oct 30, 6:41 AM PDT · 16040 days ago · 8 km deep · 82 km away
12. 2.09 km ESE of Pine Hills, CaliforniaSat, Oct 30, 8:43 AM PDT · 16040 days ago · 19 km deep · 12 km away
13. 2.310 km ESE of Pine Hills, CaliforniaSat, Oct 30, 8:44 AM PDT · 16040 days ago · 20 km deep · 12 km away
14. 1.631 km SW of Ferndale, CaliforniaSat, Oct 30, 10:19 AM PDT · 16040 days ago · 24 km deep · 45 km away
15. 1.712 km NE of Miranda, CaliforniaSun, Oct 31, 6:07 AM PST · 16039 days ago · 27 km deep · 41 km away
16. 1.910 km E of Redcrest, CaliforniaSun, Oct 31, 7:08 AM PST · 16039 days ago · 3 km deep · 29 km away
17. 1.629 km SW of Scotia, CaliforniaSun, Oct 31, 11:33 PM PST · 16039 days ago · 20 km deep · 41 km away
18. 2.46 km WSW of Benbow, CaliforniaMon, Nov 1, 4:26 PM PST · 16038 days ago · 3 km deep · 62 km away
19. 2.36 km WSW of Benbow, CaliforniaMon, Nov 1, 7:17 PM PST · 16038 days ago · 2 km deep · 63 km away
20. 2.336 km WSW of Ferndale, CaliforniaTue, Nov 2, 1:51 AM PST · 16038 days ago · 27 km deep · 53 km away
21. 2.19 km WSW of Ferndale, CaliforniaTue, Nov 2, 4:53 AM PST · 16038 days ago · 17 km deep · 27 km away
22. 2.141 km WSW of Ferndale, CaliforniaWed, Nov 3, 7:46 AM PST · 16036 days ago · 22 km deep · 58 km away
23. 1.837 km SSW of Ferndale, CaliforniaThu, Nov 4, 12:01 AM PST · 16036 days ago · 5 km deep · 50 km away
24. 1.64 km W of Trinity Village, CaliforniaThu, Nov 4, 6:18 AM PST · 16035 days ago · 23 km deep · 51 km away
25. 1.921 km WSW of Ferndale, CaliforniaSat, Nov 6, 4:49 PM PST · 16033 days ago · 23 km deep · 37 km away
26. 1.77 km NNW of Hyampom, CaliforniaTue, Nov 9, 1:50 PM PST · 16030 days ago · 31 km deep · 49 km away
27. 2.021 km WNW of Indianola, CaliforniaFri, Nov 12, 12:10 PM PST · 16027 days ago · 24 km deep · 38 km away
28. 2.4near the coast of Northern CaliforniaSat, Nov 13, 3:29 PM PST · 16026 days ago · 22 km deep · 47 km away
29. 1.731 km SW of Scotia, CaliforniaSun, Nov 14, 2:35 PM PST · 16025 days ago · 7 km deep · 43 km away
30. 2.50 km NNE of Manila, CaliforniaMon, Nov 15, 10:28 AM PST · 16024 days ago · 10 km deep · 31 km away
31. 1.523 km W of Hyampom, CaliforniaTue, Nov 16, 7:00 AM PST · 16023 days ago · 26 km deep · 28 km away
32. 1.915 km WSW of Ferndale, CaliforniaWed, Nov 17, 1:58 PM PST · 16022 days ago · 26 km deep · 32 km away
33. 1.912 km WNW of Indianola, CaliforniaThu, Nov 18, 6:21 PM PST · 16021 days ago · 23 km deep · 30 km away
34. 1.933 km SW of Ferndale, CaliforniaFri, Nov 19, 8:32 PM PST · 16020 days ago · 18 km deep · 49 km away
35. 1.910 km ESE of Big Lagoon, CaliforniaSat, Nov 20, 11:05 AM PST · 16019 days ago · 21 km deep · 60 km away
36. 2.17 km S of Willow Creek, CaliforniaSat, Nov 20, 7:31 PM PST · 16019 days ago · 26 km deep · 48 km away
37. 1.831 km WSW of Ferndale, CaliforniaSat, Nov 20, 9:30 PM PST · 16019 days ago · 27 km deep · 48 km away
38. 1.55 km NNE of Hydesville, CaliforniaSun, Nov 21, 1:27 PM PST · 16018 days ago · 20 km deep · 1 km away
39. 1.910 km W of Rio Dell, CaliforniaMon, Nov 22, 3:14 AM PST · 16018 days ago · 24 km deep · 19 km away
40. 2.143 km SW of Ferndale, CaliforniaMon, Nov 22, 11:15 AM PST · 16017 days ago · 24 km deep · 58 km away
41. 2.11 km SSW of Fields Landing, CaliforniaTue, Nov 23, 6:39 AM PST · 16016 days ago · 10 km deep · 19 km away
42. 2.31 km SSW of Fields Landing, CaliforniaTue, Nov 23, 6:40 AM PST · 16016 days ago · 10 km deep · 19 km away
43. 1.74 km W of Fields Landing, CaliforniaTue, Nov 23, 6:45 AM PST · 16016 days ago · 12 km deep · 23 km away
44. 1.81 km SW of Fields Landing, CaliforniaTue, Nov 23, 6:46 AM PST · 16016 days ago · 9 km deep · 19 km away
45. 3.11 km SSW of Fields Landing, CaliforniaTue, Nov 23, 7:48 AM PST · 16016 days ago · 10 km deep · 19 km away
46. 2.41 km SW of Fields Landing, CaliforniaTue, Nov 23, 10:00 AM PST · 16016 days ago · 9 km deep · 19 km away
47. 1.58 km SE of Blue Lake, CaliforniaTue, Nov 23, 1:00 PM PST · 16016 days ago · -1 km deep · 29 km away
48. 1.816 km SSW of Ferndale, CaliforniaWed, Nov 24, 6:19 AM PST · 16015 days ago · 21 km deep · 27 km away
49. 1.514 km SSW of Mad River, CaliforniaWed, Nov 24, 7:53 PM PST · 16015 days ago · 21 km deep · 49 km away
50. 1.820 km SW of Ferndale, CaliforniaFri, Nov 26, 5:11 AM PST · 16014 days ago · 23 km deep · 36 km away
51. 1.939 km SW of Ferndale, CaliforniaFri, Nov 26, 1:54 PM PST · 16013 days ago · 22 km deep · 53 km away
52. 2.432 km WSW of Ferndale, CaliforniaSun, Nov 28, 5:16 PM PST · 16011 days ago · 24 km deep · 48 km away
53. 1.639 km SW of Ferndale, CaliforniaMon, Nov 29, 2:30 PM PST · 16010 days ago · 26 km deep · 54 km away
54. 1.834 km SSW of Ferndale, CaliforniaTue, Nov 30, 1:13 AM PST · 16010 days ago · 16 km deep · 47 km away
55. 1.915 km ESE of Klamath, CaliforniaWed, Dec 1, 2:38 AM PST · 16009 days ago · 35 km deep · 99 km away
56. 1.98 km WSW of Indianola, CaliforniaWed, Dec 1, 12:15 PM PST · 16008 days ago · 24 km deep · 24 km away
57. 1.9near the coast of Northern CaliforniaThu, Dec 2, 12:35 AM PST · 16008 days ago · 37 km deep · 58 km away
58. 2.212 km NW of Manila, CaliforniaThu, Dec 2, 12:36 AM PST · 16008 days ago · 8 km deep · 41 km away
59. 1.816 km SSW of Ferndale, CaliforniaThu, Dec 2, 10:40 AM PST · 16007 days ago · 27 km deep · 29 km away
60. 1.643 km SW of Ferndale, CaliforniaThu, Dec 2, 11:18 PM PST · 16007 days ago · 15 km deep · 57 km away

The first 60 of 95.

Before

1. 2.57 km WNW of Trinidad, CaliforniaWed, Oct 20, 6:29 PM PDT · 16050 days ago · 19 km deep · 57 km away
2. 2.471 km WNW of Samoa, CaliforniaWed, Oct 20, 8:11 AM PDT · 16050 days ago · 5 km deep · 90 km away
3. 1.937 km WSW of Ferndale, CaliforniaWed, Oct 20, 5:54 AM PDT · 16051 days ago · 24 km deep · 54 km away
4. 2.729 km W of Trinidad, CaliforniaTue, Oct 19, 10:59 PM PDT · 16051 days ago · 19 km deep · 67 km away
5. 1.855 km W of Ferndale, CaliforniaTue, Oct 19, 2:59 PM PDT · 16051 days ago · 7 km deep · 73 km away
6. 1.98 km SE of Blue Lake, CaliforniaTue, Oct 19, 2:06 PM PDT · 16051 days ago · -1 km deep · 29 km away
7. 1.910 km S of Ferndale, CaliforniaMon, Oct 18, 12:54 AM PDT · 16053 days ago · 19 km deep · 22 km away
8. 2.110 km S of Ferndale, CaliforniaSun, Oct 17, 8:17 PM PDT · 16053 days ago · 19 km deep · 22 km away
9. 2.730 km SW of Ferndale, CaliforniaSun, Oct 17, 12:46 PM PDT · 16053 days ago · 25 km deep · 46 km away
10. 1.717 km SW of Scotia, CaliforniaSat, Oct 16, 10:47 PM PDT · 16054 days ago · 25 km deep · 30 km away
11. 2.940 km SW of Ferndale, CaliforniaSat, Oct 16, 6:47 PM PDT · 16054 days ago · 18 km deep · 54 km away
12. 2.037 km SW of Ferndale, CaliforniaSat, Oct 16, 2:54 AM PDT · 16055 days ago · 21 km deep · 51 km away
13. 3.3near the coast of Northern CaliforniaFri, Oct 15, 4:00 AM PDT · 16056 days ago · 7 km deep · 69 km away
14. 2.828 km W of Trinidad, CaliforniaFri, Oct 15, 2:34 AM PDT · 16056 days ago · 17 km deep · 65 km away
15. 1.829 km SW of Scotia, CaliforniaFri, Oct 15, 12:30 AM PDT · 16056 days ago · 20 km deep · 41 km away
16. 1.634 km SW of Scotia, CaliforniaThu, Oct 14, 5:22 PM PDT · 16056 days ago · 19 km deep · 45 km away
17. 2.139 km SW of Ferndale, CaliforniaThu, Oct 14, 2:19 PM PDT · 16056 days ago · 22 km deep · 54 km away
18. 1.910 km S of Douglas City, CaliforniaThu, Oct 14, 10:58 AM PDT · 16056 days ago · 3 km deep · 95 km away
19. 1.635 km SW of Ferndale, CaliforniaThu, Oct 14, 6:54 AM PDT · 16056 days ago · 24 km deep · 50 km away
20. 1.621 km SW of Ferndale, CaliforniaWed, Oct 13, 8:49 PM PDT · 16057 days ago · 21 km deep · 36 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1080576. Read Wed, Sep 30, 2026, 1:09 AM UTC.