M3.5 earthquake 86 km WSW of Ferndale, California

Magnitude

3.5 (Md, duration), minor

Magnitude from

Northern California Seismic System

Local time

Fri, Jun 19, 1981, 1:39 AM PDT

UTC

1981-06-19 08:39:53 UTC

Depth

68.3 km (42.4 mi), shallow

Epicenter

40.386° N, 125.247° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 12.8 km horizontally, 9.4 km in depth

Depth from

From location

Station coverage gap

317°, poorly surrounded by stations

Stations used

8

• Ferndale, CaliforniaPopulation 1,369. Forecast86 kmWSW
• Fortuna, CaliforniaPopulation 12,000. Forecast95 kmWSW
• Chico, CaliforniaPopulation 121,345. Forecast299 kmWNW

After

1. 2.067 km WSW of Ferndale, CaliforniaFri, Jun 19, 8:31 AM PDT · 16540 days ago · 5 km deep · 19 km away
2. 2.052 km W of Ferndale, CaliforniaFri, Jun 19, 9:03 AM PDT · 16540 days ago · 12 km deep · 39 km away
3. 1.52 km NNW of Indianola, CaliforniaFri, Jun 19, 7:57 PM PDT · 16539 days ago · 2 km deep · 92 km away
4. 1.720 km SW of Scotia, CaliforniaFri, Jun 19, 9:24 PM PDT · 16539 days ago · 31 km deep · 81 km away
5. 2.621 km SSW of Ferndale, CaliforniaSat, Jun 20, 3:13 AM PDT · 16539 days ago · 23 km deep · 74 km away
6. 1.618 km SW of Scotia, CaliforniaSat, Jun 20, 4:44 AM PDT · 16539 days ago · 31 km deep · 84 km away
7. 3.871 km WSW of Ferndale, CaliforniaSat, Jun 20, 6:32 AM PDT · 16539 days ago · 0 km deep · 14 km away
8. 3.038 km SW of Ferndale, CaliforniaSat, Jun 20, 11:25 AM PDT · 16539 days ago · 23 km deep · 57 km away
9. 3.159 km WSW of Ferndale, CaliforniaSat, Jun 20, 9:24 PM PDT · 16538 days ago · 14 km deep · 28 km away
10. 4.036 km SSW of Ferndale, CaliforniaSat, Jun 20, 11:20 PM PDT · 16538 days ago · 22 km deep · 66 km away
11. 3.136 km SSW of Ferndale, CaliforniaSun, Jun 21, 3:10 AM PDT · 16538 days ago · 22 km deep · 65 km away
12. 1.634 km SSW of Ferndale, CaliforniaMon, Jun 22, 4:54 AM PDT · 16537 days ago · 23 km deep · 67 km away
13. 1.616 km WNW of Manila, CaliforniaTue, Jun 23, 2:36 PM PDT · 16536 days ago · 0 km deep · 98 km away
14. 4.087 km W of Ferndale, CaliforniaTue, Jun 23, 2:50 PM PDT · 16536 days ago · 5 km deep · 7 km away
15. 2.140 km SW of Ferndale, CaliforniaTue, Jun 23, 5:15 PM PDT · 16535 days ago · 27 km deep · 53 km away
16. 3.263 km WSW of Ferndale, CaliforniaWed, Jun 24, 12:36 AM PDT · 16535 days ago · 24 km deep · 24 km away
17. 1.917 km W of Ferndale, CaliforniaWed, Jun 24, 1:36 AM PDT · 16535 days ago · 19 km deep · 70 km away
18. 2.041 km SW of Ferndale, CaliforniaWed, Jun 24, 4:40 AM PDT · 16535 days ago · 29 km deep · 54 km away
19. 1.938 km WNW of Indianola, CaliforniaWed, Jun 24, 6:51 AM PDT · 16535 days ago · 18 km deep · 66 km away
20. 3.542 km SW of Ferndale, CaliforniaWed, Jun 24, 7:15 AM PDT · 16535 days ago · 27 km deep · 50 km away
21. 2.583 km W of Trinidad, CaliforniaWed, Jun 24, 7:34 AM PDT · 16535 days ago · 5 km deep · 83 km away
22. 2.480 km W of Ferndale, CaliforniaWed, Jun 24, 12:11 PM PDT · 16535 days ago · 4 km deep · 13 km away
23. 3.635 km SW of Scotia, CaliforniaThu, Jun 25, 4:37 AM PDT · 16534 days ago · 28 km deep · 71 km away
24. 1.626 km W of Indianola, CaliforniaThu, Jun 25, 6:20 AM PDT · 16534 days ago · 22 km deep · 69 km away
25. 3.1122 km W of Ferndale, CaliforniaThu, Jun 25, 11:49 AM PDT · 16534 days ago · 5 km deep · 53 km away
26. 3.3116 km W of Ferndale, CaliforniaThu, Jun 25, 12:00 PM PDT · 16534 days ago · 5 km deep · 50 km away
27. 3.527 km SSW of Ferndale, CaliforniaThu, Jun 25, 4:16 PM PDT · 16533 days ago · 17 km deep · 75 km away
28. 2.346 km SW of Ferndale, CaliforniaFri, Jun 26, 5:29 AM PDT · 16533 days ago · 30 km deep · 46 km away
29. 2.4near the coast of Northern CaliforniaFri, Jun 26, 11:39 PM PDT · 16532 days ago · 23 km deep · 69 km away
30. 3.817 km WSW of Redcrest, CaliforniaSat, Jun 27, 6:58 AM PDT · 16532 days ago · 34 km deep · 95 km away
31. 2.116 km SSW of Scotia, CaliforniaSat, Jun 27, 7:01 AM PDT · 16532 days ago · 32 km deep · 92 km away
32. 3.0near the coast of Northern CaliforniaMon, Jun 29, 6:07 PM PDT · 16529 days ago · 22 km deep · 61 km away
33. 2.038 km SW of Ferndale, CAMon, Jun 29, 7:19 PM PDT · 16529 days ago · 32 km deep · 59 km away
34. 2.3near the coast of Northern CaliforniaMon, Jun 29, 9:55 PM PDT · 16529 days ago · 18 km deep · 100 km away
35. 2.137 km SW of Ferndale, CaliforniaTue, Jun 30, 1:51 AM PDT · 16529 days ago · 21 km deep · 61 km away
36. 2.236 km SW of Ferndale, CaliforniaTue, Jun 30, 11:07 PM PDT · 16528 days ago · 28 km deep · 62 km away
37. 1.544 km SW of Ferndale, CaliforniaWed, Jul 1, 12:13 AM PDT · 16528 days ago · 22 km deep · 51 km away
38. 1.921 km W of Ferndale, CaliforniaWed, Jul 1, 12:54 AM PDT · 16528 days ago · 22 km deep · 65 km away
39. 2.035 km SSW of Ferndale, CaliforniaWed, Jul 1, 9:06 AM PDT · 16528 days ago · 25 km deep · 68 km away
40. 1.66 km SE of Ferndale, CaliforniaWed, Jul 1, 11:54 AM PDT · 16528 days ago · 2 km deep · 89 km away
41. 2.326 km SSW of Ferndale, CaliforniaSat, Jul 4, 11:38 AM PDT · 16525 days ago · 25 km deep · 72 km away
42. 2.215 km WNW of Fields Landing, CaliforniaSat, Jul 4, 2:24 PM PDT · 16525 days ago · 8 km deep · 83 km away
43. 2.140 km SW of Ferndale, CaliforniaSat, Jul 4, 9:16 PM PDT · 16524 days ago · 31 km deep · 56 km away
44. 1.816 km SW of Scotia, CaliforniaMon, Jul 6, 5:29 AM PDT · 16523 days ago · 29 km deep · 84 km away
45. 1.836 km SW of Ferndale, CaliforniaTue, Jul 7, 3:09 AM PDT · 16522 days ago · 22 km deep · 60 km away
46. 2.018 km SSW of Ferndale, CaliforniaTue, Jul 7, 5:10 PM PDT · 16521 days ago · 17 km deep · 77 km away
47. 2.121 km SW of Ferndale, CaliforniaThu, Jul 9, 11:59 PM PDT · 16519 days ago · 21 km deep · 71 km away
48. 3.883 km W of Ferndale, CaliforniaSat, Jul 11, 12:24 PM PDT · 16518 days ago · 5 km deep · 32 km away
49. 2.277 km W of Ferndale, CaliforniaSat, Jul 11, 1:20 PM PDT · 16518 days ago · 11 km deep · 34 km away
50. 2.7147 km W of Ferndale, CaliforniaSat, Jul 11, 7:54 PM PDT · 16517 days ago · 13 km deep · 65 km away
51. 2.242 km SW of Ferndale, CaliforniaSun, Jul 12, 4:55 PM PDT · 16516 days ago · 24 km deep · 52 km away
52. 1.916 km NW of Samoa, CaliforniaSun, Jul 12, 8:22 PM PDT · 16516 days ago · 0 km deep · 95 km away
53. 1.57 km WSW of Rio Dell, CaliforniaMon, Jul 13, 9:38 PM PDT · 16515 days ago · 17 km deep · 90 km away
54. 3.283 km WSW of Ferndale, CaliforniaTue, Jul 14, 9:42 AM PDT · 16515 days ago · 64 km deep · 4 km away
55. 2.438 km SW of Ferndale, CaliforniaTue, Jul 14, 7:11 PM PDT · 16514 days ago · 28 km deep · 56 km away
56. 1.72 km SSW of Loleta, CaliforniaWed, Jul 15, 12:15 PM PDT · 16514 days ago · 21 km deep · 89 km away
57. 2.345 km SW of Ferndale, CaliforniaWed, Jul 15, 10:22 PM PDT · 16513 days ago · 22 km deep · 48 km away
58. 2.144 km SW of Ferndale, CaliforniaThu, Jul 16, 12:39 AM PDT · 16513 days ago · 22 km deep · 50 km away
59. 1.749 km SW of Ferndale, CaliforniaThu, Jul 16, 3:58 AM PDT · 16513 days ago · 17 km deep · 44 km away
60. 1.738 km WSW of Ferndale, CaliforniaThu, Jul 16, 11:08 AM PDT · 16513 days ago · 27 km deep · 50 km away

The first 60 of 125.

Before

1. 2.726 km WNW of Samoa, CaliforniaThu, Jun 18, 9:12 PM PDT · 16540 days ago · 4 km deep · 90 km away
2. 2.932 km SW of Scotia, CaliforniaThu, Jun 18, 6:51 PM PDT · 16540 days ago · 25 km deep · 75 km away
3. 2.437 km SW of Ferndale, CaliforniaThu, Jun 18, 5:56 AM PDT · 16541 days ago · 25 km deep · 57 km away
4. 2.237 km SW of Ferndale, CaliforniaWed, Jun 17, 12:03 PM PDT · 16542 days ago · 35 km deep · 58 km away
5. 2.327 km SW of Scotia, CaliforniaTue, Jun 16, 10:03 AM PDT · 16543 days ago · 13 km deep · 82 km away
6. 2.537 km SW of Ferndale, CaliforniaTue, Jun 16, 1:39 AM PDT · 16543 days ago · 22 km deep · 58 km away
7. 2.739 km SW of Ferndale, CaliforniaMon, Jun 15, 11:08 PM PDT · 16543 days ago · 24 km deep · 56 km away
8. 3.039 km SW of Ferndale, CaliforniaMon, Jun 15, 8:27 PM PDT · 16543 days ago · 26 km deep · 55 km away
9. 1.95 km WNW of Fields Landing, CaliforniaMon, Jun 15, 2:39 PM PDT · 16544 days ago · 10 km deep · 91 km away
10. 1.835 km SW of Scotia, CaliforniaMon, Jun 15, 1:17 PM PDT · 16544 days ago · 18 km deep · 71 km away
11. 3.431 km WSW of Ferndale, CaliforniaMon, Jun 15, 7:53 AM PDT · 16544 days ago · 27 km deep · 56 km away
12. 2.537 km SW of Ferndale, CaliforniaSun, Jun 14, 9:36 PM PDT · 16544 days ago · 29 km deep · 58 km away
13. 2.638 km SW of Ferndale, CaliforniaSun, Jun 14, 9:04 PM PDT · 16544 days ago · 23 km deep · 56 km away
14. 2.141 km SW of Ferndale, CaliforniaSun, Jun 14, 7:50 PM PDT · 16544 days ago · 21 km deep · 54 km away
15. 2.338 km SW of Ferndale, CaliforniaSun, Jun 14, 5:44 PM PDT · 16544 days ago · 22 km deep · 56 km away
16. 1.639 km SW of Ferndale, CaliforniaSun, Jun 14, 5:23 PM PDT · 16544 days ago · 24 km deep · 55 km away
17. 4.3near the coast of Northern CaliforniaSun, Jun 14, 4:53 PM PDT · 16544 days ago · 27 km deep · 55 km away
18. 1.5near the coast of Northern CaliforniaSun, Jun 14, 11:19 AM PDT · 16545 days ago · 21 km deep · 82 km away
19. 2.217 km SSW of Ferndale, CaliforniaSun, Jun 14, 4:41 AM PDT · 16545 days ago · 19 km deep · 79 km away
20. 1.516 km SSW of Ferndale, CaliforniaSat, Jun 13, 10:57 PM PDT · 16545 days ago · 19 km deep · 79 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1064664. Read Thu, Oct 1, 2026, 9:57 AM UTC.