M2.5 earthquake 128 km W of Ferndale, California

Magnitude

2.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Jan 5, 1981, 8:22 AM PST

UTC

1981-01-05 16:22:07 UTC

Depth

4.0 km (2.5 mi), shallow

Epicenter

40.702° N, 125.773° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 16.4 km horizontally, 20.4 km in depth

Depth from

From location

Station coverage gap

319°, poorly surrounded by stations

Stations used

7

• Ferndale, CaliforniaPopulation 1,369. Forecast128 kmW
• Eureka, CaliforniaPopulation 27,017. Forecast136 kmW
• Chico, CaliforniaPopulation 121,345. Forecast351 kmWNW

After

1. 2.5112 km WSW of Ferndale, CaliforniaTue, Jan 6, 6:33 AM PST · 16705 days ago · 4 km deep · 41 km away
2. 1.551 km WNW of Indianola, CaliforniaThu, Jan 8, 2:29 AM PST · 16703 days ago · 4 km deep · 80 km away
3. 1.649 km SW of Ferndale, CaliforniaFri, Jan 9, 4:54 AM PST · 16702 days ago · 11 km deep · 100 km away
4. 2.748 km WSW of Ferndale, CaliforniaSun, Jan 11, 11:39 PM PST · 16699 days ago · 23 km deep · 92 km away
5. 2.564 km W of Ferndale, CaliforniaMon, Jan 12, 11:15 AM PST · 16698 days ago · 5 km deep · 69 km away
6. 2.442 km W of Indianola, CaliforniaMon, Jan 12, 4:52 PM PST · 16698 days ago · 1 km deep · 87 km away
7. 2.444 km W of Trinidad, CaliforniaTue, Jan 13, 10:20 AM PST · 16697 days ago · 10 km deep · 100 km away
8. 2.4near the coast of Northern CaliforniaWed, Jan 14, 9:53 AM PST · 16696 days ago · 5 km deep · 67 km away
9. 2.160 km W of Ferndale, CaliforniaFri, Jan 16, 6:03 AM PST · 16695 days ago · 3 km deep · 71 km away
10. 1.545 km WSW of Ferndale, CaliforniaSat, Jan 17, 10:18 PM PST · 16693 days ago · 11 km deep · 96 km away
11. 2.370 km W of Indianola, CaliforniaSun, Jan 18, 7:19 AM PST · 16693 days ago · 4 km deep · 62 km away
12. 2.037 km WSW of Ferndale, CaliforniaWed, Jan 21, 11:21 AM PST · 16689 days ago · 11 km deep · 97 km away
13. 2.887 km WSW of Ferndale, CaliforniaFri, Jan 23, 11:30 AM PST · 16687 days ago · 23 km deep · 54 km away
14. 2.257 km W of Indianola, CaliforniaFri, Jan 23, 10:33 PM PST · 16687 days ago · 2 km deep · 74 km away
15. 2.250 km W of Ferndale, CaliforniaMon, Jan 26, 10:55 AM PST · 16684 days ago · 17 km deep · 81 km away
16. 2.073 km W of Indianola, CaliforniaThu, Jan 29, 5:47 AM PST · 16682 days ago · 4 km deep · 58 km away
17. 2.441 km WSW of Ferndale, CaliforniaSun, Feb 1, 12:19 AM PST · 16679 days ago · 34 km deep · 99 km away
18. 1.952 km W of Ferndale, CaliforniaSun, Feb 1, 1:18 AM PST · 16679 days ago · 13 km deep · 76 km away
19. 1.950 km WSW of Ferndale, CaliforniaSun, Feb 1, 2:43 AM PST · 16679 days ago · 15 km deep · 89 km away
20. 2.473 km WNW of Samoa, CaliforniaSun, Feb 1, 4:37 PM PST · 16678 days ago · 2 km deep · 69 km away
21. 2.7103 km WSW of Ferndale, CaliforniaSun, Feb 1, 5:55 PM PST · 16678 days ago · 4 km deep · 45 km away
22. 2.162 km WNW of Indianola, CaliforniaMon, Feb 2, 12:01 PM PST · 16677 days ago · 12 km deep · 69 km away
23. 3.573 km WSW of Ferndale, CaliforniaTue, Feb 3, 12:34 PM PST · 16676 days ago · 8 km deep · 65 km away
24. 2.457 km W of Indianola, CaliforniaTue, Feb 3, 2:36 PM PST · 16676 days ago · 12 km deep · 73 km away
25. 2.398 km WSW of Ferndale, CaliforniaWed, Feb 4, 8:55 AM PST · 16675 days ago · 4 km deep · 59 km away
26. 2.282 km W of Ferndale, CaliforniaThu, Feb 5, 12:46 AM PST · 16675 days ago · 17 km deep · 45 km away
27. 2.374 km W of Indianola, CaliforniaFri, Feb 6, 2:19 AM PST · 16674 days ago · 7 km deep · 57 km away
28. 2.7151 km W of Ferndale, CaliforniaSat, Feb 7, 2:02 AM PST · 16673 days ago · 5 km deep · 40 km away
29. 2.549 km SW of Ferndale, CaliforniaSat, Feb 7, 12:27 PM PST · 16672 days ago · 20 km deep · 99 km away
30. 3.153 km W of Ferndale, CaliforniaThu, Feb 12, 11:52 AM PST · 16667 days ago · 55 km deep · 78 km away
31. 2.568 km W of Indianola, CaliforniaTue, Feb 17, 12:59 PM PST · 16662 days ago · 20 km deep · 62 km away
32. 3.374 km W of Indianola, CaliforniaWed, Feb 18, 9:56 PM PST · 16661 days ago · 3 km deep · 57 km away
33. 2.454 km WNW of Ferndale, CaliforniaThu, Feb 19, 5:45 PM PST · 16660 days ago · 3 km deep · 74 km away
34. 2.144 km W of Trinidad, CaliforniaSun, Feb 22, 6:53 PM PST · 16657 days ago · 4 km deep · 98 km away
35. 2.161 km WNW of Indianola, CaliforniaMon, Feb 23, 10:35 AM PST · 16656 days ago · 11 km deep · 72 km away
36. 3.230 km W of Indianola, CaliforniaFri, Feb 27, 9:36 PM PST · 16652 days ago · 50 km deep · 100 km away
37. 2.363 km WSW of Ferndale, CaliforniaSun, Mar 1, 6:43 PM PST · 16650 days ago · 11 km deep · 74 km away
38. 3.6118 km W of Ferndale, CaliforniaMon, Mar 2, 9:09 AM PST · 16649 days ago · 5 km deep · 21 km away
39. 1.951 km W of Trinidad, CaliforniaTue, Mar 3, 10:19 PM PST · 16648 days ago · 2 km deep · 94 km away

Before

1. 3.599 km W of Big Lagoon, CaliforniaSun, Jan 4, 1:29 AM PST · 16707 days ago · 15 km deep · 77 km away
2. 2.092 km W of Ferndale, CaliforniaSat, Jan 3, 1:32 AM PST · 16708 days ago · 10 km deep · 39 km away
3. 2.5110 km W of Ferndale, CaliforniaThu, Jan 1, 10:25 AM PST · 16709 days ago · 4 km deep · 20 km away
4. 2.997 km W of Ferndale, CaliforniaThu, Jan 1, 3:09 AM PST · 16710 days ago · 18 km deep · 45 km away
5. 2.072 km W of Indianola, CaliforniaThu, Jan 1, 12:42 AM PST · 16710 days ago · 4 km deep · 60 km away
6. 2.897 km W of Ferndale, CaliforniaMon, Dec 29, 10:40 PM PST · 16712 days ago · 5 km deep · 31 km away
7. 2.7107 km WSW of Ferndale, CaliforniaMon, Dec 29, 12:29 PM PST · 16712 days ago · 4 km deep · 50 km away
8. 2.571 km WNW of Samoa, CaliforniaFri, Dec 26, 8:51 PM PST · 16715 days ago · 0 km deep · 72 km away
9. 2.0102 km WSW of Ferndale, CaliforniaFri, Dec 26, 3:47 PM PST · 16715 days ago · 4 km deep · 48 km away
10. 2.467 km W of Ferndale, CaliforniaThu, Dec 25, 11:03 PM PST · 16716 days ago · 5 km deep · 63 km away
11. 1.659 km WNW of Indianola, CaliforniaWed, Dec 24, 9:56 PM PST · 16717 days ago · 25 km deep · 72 km away
12. 2.167 km WSW of Ferndale, CaliforniaWed, Dec 24, 4:43 PM PST · 16717 days ago · 28 km deep · 74 km away
13. 4.8107 km WNW of Samoa, CaliforniaTue, Dec 23, 3:10 PM PST · 16718 days ago · 5 km deep · 45 km away
14. 4.2138 km W of Big Lagoon, CaliforniaTue, Dec 23, 2:51 PM PST · 16718 days ago · 5 km deep · 59 km away
15. 1.641 km WNW of Samoa, CaliforniaTue, Dec 23, 11:48 AM PST · 16718 days ago · 18 km deep · 99 km away
16. 2.5114 km W of Ferndale, CaliforniaTue, Dec 23, 10:05 AM PST · 16718 days ago · 5 km deep · 34 km away
17. 2.688 km WSW of Ferndale, CaliforniaMon, Dec 22, 10:50 PM PST · 16719 days ago · 4 km deep · 53 km away
18. 2.778 km W of Ferndale, CaliforniaMon, Dec 22, 6:30 PM PST · 16719 days ago · 4 km deep · 50 km away
19. 2.067 km WSW of Ferndale, CaliforniaSun, Dec 21, 8:30 AM PST · 16720 days ago · 5 km deep · 77 km away
20. 3.0112 km W of Ferndale, CaliforniaSun, Dec 21, 8:28 AM PST · 16720 days ago · 9 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1058893. Read Fri, Oct 2, 2026, 2:49 AM UTC.