M3.8 earthquake 71 km WSW of Ferndale, California

Magnitude

3.8 (md), minor

Local time

Sat, Jun 20, 1981, 6:32 AM PDT

UTC

1981-06-20 13:32:27 UTC

Depth

-0.5 km (-0.3 mi), shallow

Epicenter

40.404° N, 125.080° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.6 km horizontally, 5.4 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

265°, poorly surrounded by stations

Stations used

35

• Ferndale, CaliforniaPopulation 1,369. Forecast72 kmWSW
• Fortuna, CaliforniaPopulation 12,000. Forecast81 kmWSW
• Chico, CaliforniaPopulation 121,345. Forecast286 kmWNW

After

1. 3.038 km SW of Ferndale, CaliforniaSat, Jun 20, 11:25 AM PDT · 16530 days ago · 23 km deep · 43 km away
2. 3.159 km WSW of Ferndale, CaliforniaSat, Jun 20, 9:24 PM PDT · 16530 days ago · 14 km deep · 13 km away
3. 4.036 km SSW of Ferndale, CaliforniaSat, Jun 20, 11:20 PM PDT · 16530 days ago · 22 km deep · 52 km away
4. 3.136 km SSW of Ferndale, CaliforniaSun, Jun 21, 3:10 AM PDT · 16529 days ago · 22 km deep · 51 km away
5. 1.634 km SSW of Ferndale, CaliforniaMon, Jun 22, 4:54 AM PDT · 16528 days ago · 23 km deep · 54 km away
6. 1.616 km WNW of Manila, CaliforniaTue, Jun 23, 2:36 PM PDT · 16527 days ago · 0 km deep · 85 km away
7. 4.087 km W of Ferndale, CaliforniaTue, Jun 23, 2:50 PM PDT · 16527 days ago · 5 km deep · 18 km away
8. 2.140 km SW of Ferndale, CaliforniaTue, Jun 23, 5:15 PM PDT · 16527 days ago · 27 km deep · 40 km away
9. 3.263 km WSW of Ferndale, CaliforniaWed, Jun 24, 12:36 AM PDT · 16527 days ago · 24 km deep · 10 km away
10. 1.917 km W of Ferndale, CaliforniaWed, Jun 24, 1:36 AM PDT · 16527 days ago · 19 km deep · 56 km away
11. 2.041 km SW of Ferndale, CaliforniaWed, Jun 24, 4:40 AM PDT · 16526 days ago · 29 km deep · 40 km away
12. 1.938 km WNW of Indianola, CaliforniaWed, Jun 24, 6:51 AM PDT · 16526 days ago · 18 km deep · 55 km away
13. 3.542 km SW of Ferndale, CaliforniaWed, Jun 24, 7:15 AM PDT · 16526 days ago · 27 km deep · 37 km away
14. 2.583 km W of Trinidad, CaliforniaWed, Jun 24, 7:34 AM PDT · 16526 days ago · 5 km deep · 81 km away
15. 2.480 km W of Ferndale, CaliforniaWed, Jun 24, 12:11 PM PDT · 16526 days ago · 4 km deep · 16 km away
16. 3.635 km SW of Scotia, CaliforniaThu, Jun 25, 4:37 AM PDT · 16525 days ago · 28 km deep · 58 km away
17. 1.626 km W of Indianola, CaliforniaThu, Jun 25, 6:20 AM PDT · 16525 days ago · 22 km deep · 56 km away
18. 3.1122 km W of Ferndale, CaliforniaThu, Jun 25, 11:49 AM PDT · 16525 days ago · 5 km deep · 63 km away
19. 3.3116 km W of Ferndale, CaliforniaThu, Jun 25, 12:00 PM PDT · 16525 days ago · 5 km deep · 59 km away
20. 3.527 km SSW of Ferndale, CaliforniaThu, Jun 25, 4:16 PM PDT · 16525 days ago · 17 km deep · 61 km away
21. 2.346 km SW of Ferndale, CaliforniaFri, Jun 26, 5:29 AM PDT · 16524 days ago · 30 km deep · 32 km away
22. 2.4near the coast of Northern CaliforniaFri, Jun 26, 11:39 PM PDT · 16524 days ago · 23 km deep · 56 km away
23. 3.817 km WSW of Redcrest, CaliforniaSat, Jun 27, 6:58 AM PDT · 16523 days ago · 34 km deep · 81 km away
24. 2.116 km SSW of Scotia, CaliforniaSat, Jun 27, 7:01 AM PDT · 16523 days ago · 32 km deep · 78 km away
25. 3.0near the coast of Northern CaliforniaMon, Jun 29, 6:07 PM PDT · 16521 days ago · 22 km deep · 48 km away
26. 2.038 km SW of Ferndale, CAMon, Jun 29, 7:19 PM PDT · 16521 days ago · 32 km deep · 46 km away
27. 2.3near the coast of Northern CaliforniaMon, Jun 29, 9:55 PM PDT · 16521 days ago · 18 km deep · 91 km away
28. 2.137 km SW of Ferndale, CaliforniaTue, Jun 30, 1:51 AM PDT · 16521 days ago · 21 km deep · 47 km away
29. 2.236 km SW of Ferndale, CaliforniaTue, Jun 30, 11:07 PM PDT · 16520 days ago · 28 km deep · 49 km away
30. 1.544 km SW of Ferndale, CaliforniaWed, Jul 1, 12:13 AM PDT · 16520 days ago · 22 km deep · 38 km away
31. 1.921 km W of Ferndale, CaliforniaWed, Jul 1, 12:54 AM PDT · 16520 days ago · 22 km deep · 51 km away
32. 2.035 km SSW of Ferndale, CaliforniaWed, Jul 1, 9:06 AM PDT · 16519 days ago · 25 km deep · 54 km away
33. 1.66 km SE of Ferndale, CaliforniaWed, Jul 1, 11:54 AM PDT · 16519 days ago · 2 km deep · 75 km away
34. 2.111 km WSW of Weott, CaliforniaWed, Jul 1, 8:19 PM PDT · 16519 days ago · 4 km deep · 90 km away
35. 2.326 km SSW of Ferndale, CaliforniaSat, Jul 4, 11:38 AM PDT · 16516 days ago · 25 km deep · 58 km away
36. 2.215 km WNW of Fields Landing, CaliforniaSat, Jul 4, 2:24 PM PDT · 16516 days ago · 8 km deep · 70 km away
37. 2.140 km SW of Ferndale, CaliforniaSat, Jul 4, 9:16 PM PDT · 16516 days ago · 31 km deep · 42 km away
38. 2.09 km NNW of Manila, CaliforniaMon, Jul 6, 2:29 AM PDT · 16514 days ago · 14 km deep · 93 km away
39. 1.816 km SW of Scotia, CaliforniaMon, Jul 6, 5:29 AM PDT · 16514 days ago · 29 km deep · 70 km away
40. 1.836 km SW of Ferndale, CaliforniaTue, Jul 7, 3:09 AM PDT · 16513 days ago · 22 km deep · 46 km away
41. 2.018 km SSW of Ferndale, CaliforniaTue, Jul 7, 5:10 PM PDT · 16513 days ago · 17 km deep · 63 km away
42. 2.121 km SW of Ferndale, CaliforniaThu, Jul 9, 11:59 PM PDT · 16511 days ago · 21 km deep · 57 km away
43. 3.883 km W of Ferndale, CaliforniaSat, Jul 11, 12:24 PM PDT · 16509 days ago · 5 km deep · 33 km away
44. 2.277 km W of Ferndale, CaliforniaSat, Jul 11, 1:20 PM PDT · 16509 days ago · 11 km deep · 32 km away
45. 2.7147 km W of Ferndale, CaliforniaSat, Jul 11, 7:54 PM PDT · 16509 days ago · 13 km deep · 78 km away
46. 2.242 km SW of Ferndale, CaliforniaSun, Jul 12, 4:55 PM PDT · 16508 days ago · 24 km deep · 38 km away
47. 1.916 km NW of Samoa, CaliforniaSun, Jul 12, 8:22 PM PDT · 16508 days ago · 0 km deep · 83 km away
48. 2.413 km NW of Manila, CaliforniaMon, Jul 13, 10:24 AM PDT · 16507 days ago · 12 km deep · 89 km away
49. 3.213 km NW of Manila, CaliforniaMon, Jul 13, 10:28 AM PDT · 16507 days ago · 11 km deep · 88 km away
50. 1.57 km WSW of Rio Dell, CaliforniaMon, Jul 13, 9:38 PM PDT · 16507 days ago · 17 km deep · 76 km away
51. 3.283 km WSW of Ferndale, CaliforniaTue, Jul 14, 9:42 AM PDT · 16506 days ago · 64 km deep · 13 km away
52. 2.438 km SW of Ferndale, CaliforniaTue, Jul 14, 7:11 PM PDT · 16506 days ago · 28 km deep · 42 km away
53. 1.72 km SSW of Loleta, CaliforniaWed, Jul 15, 12:15 PM PDT · 16505 days ago · 21 km deep · 75 km away
54. 2.345 km SW of Ferndale, CaliforniaWed, Jul 15, 10:22 PM PDT · 16505 days ago · 22 km deep · 34 km away
55. 2.144 km SW of Ferndale, CaliforniaThu, Jul 16, 12:39 AM PDT · 16505 days ago · 22 km deep · 37 km away
56. 1.749 km SW of Ferndale, CaliforniaThu, Jul 16, 3:58 AM PDT · 16504 days ago · 17 km deep · 31 km away
57. 1.738 km WSW of Ferndale, CaliforniaThu, Jul 16, 11:08 AM PDT · 16504 days ago · 27 km deep · 35 km away
58. 4.623 km WSW of Weott, CaliforniaFri, Jul 17, 9:37 AM PDT · 16503 days ago · 10 km deep · 80 km away
59. 1.823 km WSW of Weott, CaliforniaFri, Jul 17, 9:42 AM PDT · 16503 days ago · 4 km deep · 78 km away
60. 1.920 km WSW of Weott, CaliforniaFri, Jul 17, 10:05 AM PDT · 16503 days ago · 9 km deep · 82 km away

The first 60 of 128.

Before

1. 1.618 km SW of Scotia, CaliforniaSat, Jun 20, 4:44 AM PDT · 16530 days ago · 31 km deep · 70 km away
2. 2.621 km SSW of Ferndale, CaliforniaSat, Jun 20, 3:13 AM PDT · 16530 days ago · 23 km deep · 60 km away
3. 1.720 km SW of Scotia, CaliforniaFri, Jun 19, 9:24 PM PDT · 16531 days ago · 31 km deep · 67 km away
4. 1.52 km NNW of Indianola, CaliforniaFri, Jun 19, 7:57 PM PDT · 16531 days ago · 2 km deep · 78 km away
5. 2.052 km W of Ferndale, CaliforniaFri, Jun 19, 9:03 AM PDT · 16531 days ago · 12 km deep · 27 km away
6. 2.067 km WSW of Ferndale, CaliforniaFri, Jun 19, 8:31 AM PDT · 16531 days ago · 5 km deep · 6 km away
7. 3.586 km WSW of Ferndale, CaliforniaFri, Jun 19, 1:39 AM PDT · 16532 days ago · 68 km deep · 14 km away
8. 2.726 km WNW of Samoa, CaliforniaThu, Jun 18, 9:12 PM PDT · 16532 days ago · 4 km deep · 79 km away
9. 2.932 km SW of Scotia, CaliforniaThu, Jun 18, 6:51 PM PDT · 16532 days ago · 25 km deep · 62 km away
10. 2.437 km SW of Ferndale, CaliforniaThu, Jun 18, 5:56 AM PDT · 16532 days ago · 25 km deep · 43 km away
11. 2.237 km SW of Ferndale, CaliforniaWed, Jun 17, 12:03 PM PDT · 16533 days ago · 35 km deep · 45 km away
12. 2.327 km SW of Scotia, CaliforniaTue, Jun 16, 10:03 AM PDT · 16534 days ago · 13 km deep · 68 km away
13. 2.537 km SW of Ferndale, CaliforniaTue, Jun 16, 1:39 AM PDT · 16535 days ago · 22 km deep · 44 km away
14. 2.739 km SW of Ferndale, CaliforniaMon, Jun 15, 11:08 PM PDT · 16535 days ago · 24 km deep · 42 km away
15. 3.039 km SW of Ferndale, CaliforniaMon, Jun 15, 8:27 PM PDT · 16535 days ago · 26 km deep · 41 km away
16. 1.95 km WNW of Fields Landing, CaliforniaMon, Jun 15, 2:39 PM PDT · 16535 days ago · 10 km deep · 77 km away
17. 1.835 km SW of Scotia, CaliforniaMon, Jun 15, 1:17 PM PDT · 16535 days ago · 18 km deep · 57 km away
18. 3.431 km WSW of Ferndale, CaliforniaMon, Jun 15, 7:53 AM PDT · 16535 days ago · 27 km deep · 42 km away
19. 2.537 km SW of Ferndale, CaliforniaSun, Jun 14, 9:36 PM PDT · 16536 days ago · 29 km deep · 44 km away
20. 2.638 km SW of Ferndale, CaliforniaSun, Jun 14, 9:04 PM PDT · 16536 days ago · 23 km deep · 43 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1064716. Read Tue, Sep 22, 2026, 8:45 PM UTC.