M1.7 earthquake 9 km WSW of Ferndale, California

Magnitude

1.7 (md), micro

Local time

Sat, Jan 11, 1986, 12:44 PM PST

UTC

1986-01-11 20:44:38 UTC

Depth

16.9 km (10.5 mi), shallow

Epicenter

40.528° N, 124.363° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 16.0 km horizontally, 10.0 km in depth

Magnitude uncertainty

±0.08

Depth from

From location

Station coverage gap

220°, poorly surrounded by stations

Stations used

7

• Ferndale, CaliforniaPopulation 1,369. Forecast10 kmWSW
• Fortuna, CaliforniaPopulation 12,000. Forecast19 kmWSW
• Chico, CaliforniaPopulation 121,345. Forecast232 kmWNW

After

1. 2.07 km W of Rio Dell, CaliforniaSun, Jan 12, 3:28 AM PST · 14863 days ago · 20 km deep · 15 km away
2. 2.114 km WSW of Weott, CaliforniaSun, Jan 12, 9:20 PM PST · 14863 days ago · 8 km deep · 37 km away
3. 1.910 km NE of Redcrest, CaliforniaMon, Jan 13, 10:32 PM PST · 14862 days ago · 7 km deep · 44 km away
4. 2.74 km WNW of Redway, CaliforniaThu, Jan 16, 3:51 AM PST · 14859 days ago · 21 km deep · 61 km away
5. 3.035 km WSW of Ferndale, CaliforniaThu, Jan 16, 11:05 AM PST · 14859 days ago · 23 km deep · 26 km away
6. 2.217 km WSW of Leggett, CaliforniaThu, Jan 16, 4:12 PM PST · 14859 days ago · 2 km deep · 89 km away
7. 2.013 km NE of Willow Creek, CaliforniaFri, Jan 17, 10:14 PM PST · 14858 days ago · -1 km deep · 90 km away
8. 1.916 km NE of Miranda, CaliforniaSun, Jan 19, 1:34 PM PST · 14856 days ago · 4 km deep · 61 km away
9. 2.733 km SSW of Ferndale, CaliforniaTue, Jan 21, 2:56 AM PST · 14854 days ago · 11 km deep · 26 km away
10. 3.591 km W of Ferndale, CaliforniaTue, Jan 21, 3:57 AM PST · 14854 days ago · 2 km deep · 82 km away
11. 1.91 km SSW of Redway, CaliforniaSun, Jan 26, 3:56 PM PST · 14849 days ago · 18 km deep · 65 km away
12. 2.749 km WNW of Shelter Cove, CaliforniaThu, Jan 30, 2:40 AM PST · 14845 days ago · 4 km deep · 43 km away
13. 3.065 km WNW of Ferndale, CaliforniaThu, Jan 30, 11:14 PM PST · 14845 days ago · 0 km deep · 58 km away
14. 1.910 km E of Hydesville, CaliforniaFri, Jan 31, 11:11 PM PST · 14844 days ago · 4 km deep · 33 km away
15. 2.693 km W of Ferndale, CaliforniaSat, Feb 1, 9:02 AM PST · 14843 days ago · 13 km deep · 84 km away
16. 1.98 km NNW of Redcrest, CaliforniaSat, Feb 1, 10:39 AM PST · 14843 days ago · 25 km deep · 33 km away
17. 3.24 km ESE of Indianola, CaliforniaSun, Feb 2, 11:31 AM PST · 14842 days ago · 20 km deep · 41 km away
18. 3.537 km W of Ferndale, CaliforniaWed, Feb 5, 4:00 AM PST · 14839 days ago · 17 km deep · 30 km away
19. 1.87 km SSW of Scotia, CaliforniaWed, Feb 5, 5:38 AM PST · 14839 days ago · 5 km deep · 24 km away
20. 1.71 km S of Loleta, CaliforniaFri, Feb 7, 6:53 AM PST · 14837 days ago · 4 km deep · 16 km away
21. 2.439 km WSW of Ferndale, CaliforniaSat, Feb 8, 1:09 PM PST · 14836 days ago · 14 km deep · 30 km away
22. 4.046 km WNW of Ferndale, CaliforniaTue, Feb 18, 4:25 PM PST · 14826 days ago · 1 km deep · 41 km away
23. 1.68 km E of Rio Dell, CaliforniaSun, Feb 23, 4:57 PM PST · 14821 days ago · 19 km deep · 30 km away
24. 2.328 km SSW of Ferndale, CaliforniaSun, Feb 23, 8:22 PM PST · 14821 days ago · 20 km deep · 20 km away
25. 1.911 km NE of Trinity Village, CaliforniaWed, Feb 26, 5:51 AM PST · 14818 days ago · 12 km deep · 91 km away
26. 3.534 km W of Ferndale, CaliforniaFri, Feb 28, 2:31 AM PST · 14816 days ago · 12 km deep · 26 km away
27. 2.98 km WSW of Rio Dell, CaliforniaSat, Mar 1, 6:10 PM PST · 14815 days ago · 26 km deep · 15 km away
28. 2.59 km WSW of Rio Dell, CaliforniaSat, Mar 1, 6:11 PM PST · 14815 days ago · 26 km deep · 14 km away
29. 1.618 km WSW of Weott, CaliforniaSun, Mar 2, 5:55 AM PST · 14814 days ago · 3 km deep · 37 km away
30. 2.450 km WSW of Ferndale, CaliforniaMon, Mar 3, 6:58 AM PST · 14813 days ago · 5 km deep · 41 km away
31. 3.850 km SW of Ferndale, CaliforniaMon, Mar 3, 9:56 AM PST · 14813 days ago · 4 km deep · 41 km away
32. 2.192 km WSW of Ferndale, CaliforniaWed, Mar 5, 9:21 PM PST · 14811 days ago · 4 km deep · 83 km away
33. 3.836 km SSW of Ferndale, CaliforniaFri, Mar 7, 2:26 PM PST · 14809 days ago · -1 km deep · 28 km away
34. 3.057 km WSW of Ferndale, CaliforniaFri, Mar 7, 2:55 PM PST · 14809 days ago · 4 km deep · 47 km away
35. 3.337 km WSW of Ferndale, CaliforniaSat, Mar 8, 6:38 AM PST · 14808 days ago · 22 km deep · 28 km away
36. 2.339 km WSW of Ferndale, CaliforniaSat, Mar 8, 3:35 PM PST · 14808 days ago · 15 km deep · 30 km away
37. 3.6near the coast of Northern CaliforniaMon, Mar 10, 4:05 PM PST · 14806 days ago · 20 km deep · 29 km away
38. 3.1near the coast of Northern CaliforniaMon, Mar 10, 9:58 PM PST · 14806 days ago · 11 km deep · 21 km away
39. 3.995 km W of Ferndale, CaliforniaTue, Mar 11, 7:34 AM PST · 14805 days ago · 8 km deep · 86 km away

Before

1. 3.212 km WSW of Redcrest, CaliforniaFri, Jan 10, 11:53 AM PST · 14865 days ago · 1 km deep · 29 km away
2. 2.645 km WNW of Samoa, CaliforniaFri, Jan 10, 7:20 AM PST · 14865 days ago · 4 km deep · 54 km away
3. 2.15 km SSE of Ferndale, CaliforniaFri, Jan 10, 7:04 AM PST · 14865 days ago · 7 km deep · 10 km away
4. 2.831 km SW of Scotia, CaliforniaThu, Jan 9, 3:46 AM PST · 14866 days ago · 16 km deep · 25 km away
5. 2.918 km WNW of Junction City, CaliforniaThu, Jan 9, 1:39 AM PST · 14866 days ago · 28 km deep · 98 km away
6. 1.815 km NE of Miranda, CaliforniaWed, Jan 8, 4:54 PM PST · 14867 days ago · 19 km deep · 58 km away
7. 2.015 km SE of Orick, CaliforniaWed, Jan 8, 9:43 AM PST · 14867 days ago · -1 km deep · 84 km away
8. 1.629 km SW of Scotia, CaliforniaSun, Jan 5, 4:19 AM PST · 14870 days ago · 9 km deep · 25 km away
9. 2.228 km SW of Scotia, CaliforniaSat, Jan 4, 9:57 PM PST · 14871 days ago · 6 km deep · 22 km away
10. 2.629 km SW of Scotia, CaliforniaSat, Jan 4, 9:56 PM PST · 14871 days ago · 8 km deep · 23 km away
11. 2.614 km WSW of Scotia, CaliforniaSat, Jan 4, 8:00 PM PST · 14871 days ago · 25 km deep · 16 km away
12. 3.19 km NW of Ferndale, CaliforniaFri, Jan 3, 4:33 AM PST · 14872 days ago · 8 km deep · 11 km away
13. 2.610 km W of Indianola, CaliforniaWed, Jan 1, 2:34 AM PST · 14874 days ago · 0 km deep · 20 km away
14. 3.958 km W of Shelter Cove, CaliforniaSat, Dec 28, 4:38 PM PST · 14878 days ago · 4 km deep · 55 km away
15. 1.816 km WNW of Mad River, CaliforniaThu, Dec 26, 1:00 PM PST · 14880 days ago · 24 km deep · 56 km away
16. 1.610 km SSW of Ferndale, CaliforniaThu, Dec 26, 8:12 AM PST · 14880 days ago · 7 km deep · 6 km away
17. 2.033 km WSW of Ferndale, CaliforniaThu, Dec 26, 5:58 AM PST · 14880 days ago · 15 km deep · 23 km away
18. 2.121 km SE of Blue Lake, CaliforniaWed, Dec 25, 8:58 AM PST · 14881 days ago · 27 km deep · 53 km away
19. 2.17 km W of Rio Dell, CaliforniaTue, Dec 24, 12:44 AM PST · 14883 days ago · 21 km deep · 15 km away
20. 1.739 km SSW of Ferndale, CaliforniaMon, Dec 23, 10:58 PM PST · 14883 days ago · 4 km deep · 32 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc66152. Read Tue, Sep 22, 2026, 8:50 PM UTC.