M2.5 earthquake 110 km W of Ferndale, California

Magnitude

2.5 (md), micro

Local time

Thu, Jan 1, 1981, 10:25 AM PST

UTC

1981-01-01 18:25:33 UTC

Depth

4.0 km (2.5 mi), shallow

Epicenter

40.605° N, 125.572° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 10.5 km horizontally, 14.5 km in depth

Depth from

From location

Station coverage gap

314°, poorly surrounded by stations

Stations used

7

• Ferndale, CaliforniaPopulation 1,369. Forecast111 kmW
• Fortuna, CaliforniaPopulation 12,000. Forecast119 kmW
• Chico, CaliforniaPopulation 121,345. Forecast332 kmWNW

After

1. 3.238 km SW of Ferndale, CaliforniaThu, Jan 1, 11:41 AM PST · 16700 days ago · 23 km deep · 93 km away
2. 1.638 km SW of Ferndale, CaliforniaThu, Jan 1, 12:18 PM PST · 16700 days ago · 24 km deep · 93 km away
3. 1.840 km SW of Ferndale, CaliforniaThu, Jan 1, 12:38 PM PST · 16700 days ago · 26 km deep · 87 km away
4. 1.645 km SW of Ferndale, CaliforniaFri, Jan 2, 2:11 PM PST · 16699 days ago · 24 km deep · 83 km away
5. 3.237 km SW of Ferndale, CaliforniaFri, Jan 2, 2:55 PM PST · 16699 days ago · 22 km deep · 94 km away
6. 2.092 km W of Ferndale, CaliforniaSat, Jan 3, 1:32 AM PST · 16698 days ago · 10 km deep · 19 km away
7. 3.738 km W of Trinidad, CaliforniaSun, Jan 4, 12:38 AM PST · 16697 days ago · 12 km deep · 98 km away
8. 3.599 km W of Big Lagoon, CaliforniaSun, Jan 4, 1:29 AM PST · 16697 days ago · 15 km deep · 80 km away
9. 3.338 km SW of Ferndale, CaliforniaMon, Jan 5, 12:37 AM PST · 16696 days ago · 25 km deep · 89 km away
10. 2.5128 km W of Ferndale, CaliforniaMon, Jan 5, 8:22 AM PST · 16696 days ago · 4 km deep · 20 km away
11. 2.543 km SW of Ferndale, CaliforniaTue, Jan 6, 12:01 AM PST · 16695 days ago · 23 km deep · 84 km away
12. 2.5112 km WSW of Ferndale, CaliforniaTue, Jan 6, 6:33 AM PST · 16695 days ago · 4 km deep · 27 km away
13. 2.538 km SW of Ferndale, CaliforniaTue, Jan 6, 4:46 PM PST · 16694 days ago · 21 km deep · 91 km away
14. 3.035 km SW of Ferndale, CaliforniaWed, Jan 7, 7:02 PM PST · 16693 days ago · 26 km deep · 94 km away
15. 1.551 km WNW of Indianola, CaliforniaThu, Jan 8, 2:29 AM PST · 16693 days ago · 4 km deep · 66 km away
16. 1.521 km SW of Ferndale, CaliforniaThu, Jan 8, 4:30 AM PST · 16693 days ago · 17 km deep · 96 km away
17. 1.649 km SW of Ferndale, CaliforniaFri, Jan 9, 4:54 AM PST · 16692 days ago · 11 km deep · 80 km away
18. 1.822 km SW of Ferndale, CaliforniaFri, Jan 9, 11:24 PM PST · 16691 days ago · 24 km deep · 97 km away
19. 2.222 km SW of Ferndale, CaliforniaFri, Jan 9, 11:28 PM PST · 16691 days ago · 27 km deep · 97 km away
20. 1.721 km SW of Ferndale, CaliforniaFri, Jan 9, 11:29 PM PST · 16691 days ago · 25 km deep · 97 km away
21. 2.748 km WSW of Ferndale, CaliforniaSun, Jan 11, 11:39 PM PST · 16689 days ago · 23 km deep · 72 km away
22. 2.564 km W of Ferndale, CaliforniaMon, Jan 12, 11:15 AM PST · 16689 days ago · 5 km deep · 49 km away
23. 2.442 km W of Indianola, CaliforniaMon, Jan 12, 4:52 PM PST · 16688 days ago · 1 km deep · 72 km away
24. 2.444 km W of Trinidad, CaliforniaTue, Jan 13, 10:20 AM PST · 16688 days ago · 10 km deep · 89 km away
25. 2.440 km SW of Ferndale, CaliforniaWed, Jan 14, 1:18 AM PST · 16687 days ago · 23 km deep · 88 km away
26. 2.4near the coast of Northern CaliforniaWed, Jan 14, 9:53 AM PST · 16687 days ago · 5 km deep · 49 km away
27. 2.326 km SW of Ferndale, CaliforniaWed, Jan 14, 10:17 PM PST · 16686 days ago · 18 km deep · 97 km away
28. 2.139 km SW of Ferndale, CaliforniaFri, Jan 16, 2:02 AM PST · 16685 days ago · 21 km deep · 87 km away
29. 2.160 km W of Ferndale, CaliforniaFri, Jan 16, 6:03 AM PST · 16685 days ago · 3 km deep · 52 km away
30. 1.545 km WSW of Ferndale, CaliforniaSat, Jan 17, 10:18 PM PST · 16683 days ago · 11 km deep · 76 km away
31. 2.370 km W of Indianola, CaliforniaSun, Jan 18, 7:19 AM PST · 16683 days ago · 4 km deep · 49 km away
32. 2.246 km WNW of Shelter Cove, CaliforniaMon, Jan 19, 9:35 AM PST · 16682 days ago · 5 km deep · 96 km away
33. 2.037 km WSW of Ferndale, CaliforniaWed, Jan 21, 11:21 AM PST · 16680 days ago · 11 km deep · 78 km away
34. 2.126 km SW of Ferndale, CaliforniaThu, Jan 22, 7:36 PM PST · 16678 days ago · 12 km deep · 99 km away
35. 2.887 km WSW of Ferndale, CaliforniaFri, Jan 23, 11:30 AM PST · 16678 days ago · 23 km deep · 34 km away
36. 2.232 km SW of Ferndale, CaliforniaFri, Jan 23, 1:45 PM PST · 16678 days ago · 15 km deep · 91 km away
37. 2.257 km W of Indianola, CaliforniaFri, Jan 23, 10:33 PM PST · 16677 days ago · 2 km deep · 59 km away
38. 2.937 km SW of Ferndale, CaliforniaSat, Jan 24, 4:46 PM PST · 16676 days ago · 40 km deep · 93 km away
39. 3.039 km SW of Ferndale, CaliforniaSun, Jan 25, 11:02 PM PST · 16675 days ago · 28 km deep · 88 km away
40. 2.250 km W of Ferndale, CaliforniaMon, Jan 26, 10:55 AM PST · 16675 days ago · 17 km deep · 62 km away
41. 2.625 km SW of Ferndale, CaliforniaTue, Jan 27, 6:26 AM PST · 16674 days ago · 22 km deep · 94 km away
42. 2.316 km WNW of Ferndale, CaliforniaThu, Jan 29, 2:56 AM PST · 16672 days ago · 22 km deep · 96 km away
43. 2.073 km W of Indianola, CaliforniaThu, Jan 29, 5:47 AM PST · 16672 days ago · 4 km deep · 46 km away
44. 1.826 km SW of Ferndale, CaliforniaFri, Jan 30, 10:12 PM PST · 16670 days ago · 18 km deep · 98 km away
45. 2.441 km WSW of Ferndale, CaliforniaSun, Feb 1, 12:19 AM PST · 16669 days ago · 34 km deep · 79 km away
46. 1.952 km W of Ferndale, CaliforniaSun, Feb 1, 1:18 AM PST · 16669 days ago · 13 km deep · 58 km away
47. 1.950 km WSW of Ferndale, CaliforniaSun, Feb 1, 2:43 AM PST · 16669 days ago · 15 km deep · 70 km away
48. 2.473 km WNW of Samoa, CaliforniaSun, Feb 1, 4:37 PM PST · 16668 days ago · 2 km deep · 61 km away
49. 2.7103 km WSW of Ferndale, CaliforniaSun, Feb 1, 5:55 PM PST · 16668 days ago · 4 km deep · 27 km away
50. 2.840 km SW of Ferndale, CaliforniaSun, Feb 1, 10:45 PM PST · 16668 days ago · 26 km deep · 87 km away
51. 2.637 km SW of Ferndale, CaliforniaMon, Feb 2, 3:42 AM PST · 16668 days ago · 27 km deep · 89 km away
52. 2.162 km WNW of Indianola, CaliforniaMon, Feb 2, 12:01 PM PST · 16668 days ago · 12 km deep · 56 km away
53. 3.573 km WSW of Ferndale, CaliforniaTue, Feb 3, 12:34 PM PST · 16667 days ago · 8 km deep · 45 km away
54. 2.457 km W of Indianola, CaliforniaTue, Feb 3, 2:36 PM PST · 16667 days ago · 12 km deep · 58 km away
55. 2.398 km WSW of Ferndale, CaliforniaWed, Feb 4, 8:55 AM PST · 16666 days ago · 4 km deep · 41 km away
56. 2.638 km SW of Ferndale, CaliforniaWed, Feb 4, 4:40 PM PST · 16665 days ago · 25 km deep · 89 km away
57. 2.282 km W of Ferndale, CaliforniaThu, Feb 5, 12:46 AM PST · 16665 days ago · 17 km deep · 29 km away
58. 2.935 km W of Trinidad, CaliforniaThu, Feb 5, 6:45 AM PST · 16665 days ago · 21 km deep · 100 km away
59. 2.041 km SW of Ferndale, CaliforniaFri, Feb 6, 1:41 AM PST · 16664 days ago · 13 km deep · 92 km away
60. 2.374 km W of Indianola, CaliforniaFri, Feb 6, 2:19 AM PST · 16664 days ago · 7 km deep · 45 km away

The first 60 of 83.

Before

1. 2.997 km W of Ferndale, CaliforniaThu, Jan 1, 3:09 AM PST · 16700 days ago · 18 km deep · 26 km away
2. 1.716 km WSW of Ferndale, CaliforniaThu, Jan 1, 2:14 AM PST · 16700 days ago · 16 km deep · 96 km away
3. 2.072 km W of Indianola, CaliforniaThu, Jan 1, 12:42 AM PST · 16700 days ago · 4 km deep · 48 km away
4. 1.524 km SW of Ferndale, CaliforniaWed, Dec 31, 10:09 PM PST · 16700 days ago · 26 km deep · 93 km away
5. 2.325 km SW of Ferndale, CaliforniaWed, Dec 31, 8:14 PM PST · 16700 days ago · 22 km deep · 91 km away
6. 2.229 km SW of Ferndale, CaliforniaWed, Dec 31, 6:18 PM PST · 16700 days ago · 33 km deep · 88 km away
7. 2.631 km WSW of Ferndale, CaliforniaWed, Dec 31, 2:42 PM PST · 16701 days ago · 36 km deep · 86 km away
8. 3.016 km WSW of Ferndale, CaliforniaWed, Dec 31, 3:36 AM PST · 16701 days ago · 17 km deep · 95 km away
9. 2.229 km SW of Ferndale, CaliforniaTue, Dec 30, 11:55 PM PST · 16701 days ago · 24 km deep · 90 km away
10. 2.897 km W of Ferndale, CaliforniaMon, Dec 29, 10:40 PM PST · 16702 days ago · 5 km deep · 16 km away
11. 2.7107 km WSW of Ferndale, CaliforniaMon, Dec 29, 12:29 PM PST · 16703 days ago · 4 km deep · 34 km away
12. 2.1near the coast of Northern CaliforniaSun, Dec 28, 5:24 AM PST · 16704 days ago · 26 km deep · 88 km away
13. 2.571 km WNW of Samoa, CaliforniaFri, Dec 26, 8:51 PM PST · 16705 days ago · 0 km deep · 63 km away
14. 2.0102 km WSW of Ferndale, CaliforniaFri, Dec 26, 3:47 PM PST · 16705 days ago · 4 km deep · 30 km away
15. 2.467 km W of Ferndale, CaliforniaThu, Dec 25, 11:03 PM PST · 16706 days ago · 5 km deep · 44 km away
16. 2.732 km WNW of Samoa, CaliforniaThu, Dec 25, 10:53 AM PST · 16707 days ago · 4 km deep · 98 km away
17. 1.659 km WNW of Indianola, CaliforniaWed, Dec 24, 9:56 PM PST · 16707 days ago · 25 km deep · 59 km away
18. 2.167 km WSW of Ferndale, CaliforniaWed, Dec 24, 4:43 PM PST · 16707 days ago · 28 km deep · 54 km away
19. 4.8107 km WNW of Samoa, CaliforniaTue, Dec 23, 3:10 PM PST · 16709 days ago · 5 km deep · 48 km away
20. 4.2138 km W of Big Lagoon, CaliforniaTue, Dec 23, 2:51 PM PST · 16709 days ago · 5 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1058782. Read Tue, Sep 22, 2026, 11:01 AM UTC.