M3.1 earthquake 50 km WNW of Ferndale, California

Magnitude

3.1 (Md, duration), minor

Magnitude from

Northern California Seismic System

Local time

Sat, Sep 8, 1990, 1:06 AM PDT

UTC

1990-09-08 08:06:47 UTC

Depth

45.2 km (28.1 mi), shallow

Epicenter

40.682° N, 124.849° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 20.2 km horizontally, 8.7 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

255°, poorly surrounded by stations

Stations used

15

• Ferndale, CaliforniaPopulation 1,369. Forecast51 kmWNW
• Fortuna, CaliforniaPopulation 12,000. Forecast59 kmW
• Chico, CaliforniaPopulation 121,345. Forecast277 kmWNW

After

1. 2.035 km WSW of Ferndale, CaliforniaSun, Sep 9, 12:26 AM PDT · 13175 days ago · 22 km deep · 27 km away
2. 1.92 km SSW of Ferndale, CaliforniaSun, Sep 9, 12:07 PM PDT · 13175 days ago · 4 km deep · 51 km away
3. 2.511 km NNE of Redcrest, CaliforniaSun, Sep 9, 8:02 PM PDT · 13174 days ago · 18 km deep · 83 km away
4. 2.685 km W of Ferndale, CaliforniaSun, Sep 9, 11:56 PM PDT · 13174 days ago · 5 km deep · 41 km away
5. 3.144 km SW of Ferndale, CaliforniaMon, Sep 10, 12:13 PM PDT · 13174 days ago · 14 km deep · 47 km away
6. 1.78 km NW of Ferndale, CaliforniaTue, Sep 11, 2:28 PM PDT · 13173 days ago · 12 km deep · 43 km away
7. 3.4141 km W of Ferndale, CaliforniaMon, Sep 17, 12:05 PM PDT · 13167 days ago · 5 km deep · 93 km away
8. 3.024 km SSW of Ferndale, CaliforniaFri, Sep 21, 11:25 AM PDT · 13163 days ago · 17 km deep · 48 km away
9. 2.011 km WNW of Indianola, CaliforniaSat, Sep 22, 7:14 PM PDT · 13161 days ago · 2 km deep · 41 km away
10. 4.11 km ENE of Humboldt Hill, CaliforniaMon, Sep 24, 2:47 AM PDT · 13160 days ago · 15 km deep · 57 km away
11. 4.7105 km W of Ferndale, CaliforniaTue, Sep 25, 9:14 PM PDT · 13158 days ago · 6 km deep · 62 km away
12. 3.798 km W of Ferndale, CaliforniaTue, Sep 25, 9:33 PM PDT · 13158 days ago · 9 km deep · 53 km away
13. 2.385 km WSW of Ferndale, CaliforniaTue, Sep 25, 11:22 PM PDT · 13158 days ago · 4 km deep · 46 km away
14. 2.53 km NE of Myers Flat, CaliforniaWed, Sep 26, 4:59 PM PDT · 13157 days ago · 28 km deep · 96 km away
15. 2.9141 km W of Ferndale, CaliforniaThu, Sep 27, 2:31 PM PDT · 13157 days ago · 5 km deep · 93 km away
16. 2.629 km SW of Ferndale, CaliforniaSat, Sep 29, 3:03 AM PDT · 13155 days ago · 18 km deep · 46 km away
17. 1.81 km SW of Ferndale, CaliforniaSat, Sep 29, 4:19 AM PDT · 13155 days ago · 4 km deep · 50 km away
18. 1.942 km SW of Ferndale, CaliforniaSun, Sep 30, 9:41 PM PDT · 13153 days ago · 14 km deep · 52 km away
19. 3.516 km WNW of Ferndale, CaliforniaMon, Oct 1, 5:36 AM PDT · 13153 days ago · 20 km deep · 34 km away
20. 4.4off the coast of Northern CaliforniaWed, Oct 3, 5:57 AM PDT · 13151 days ago · 4 km deep · 29 km away
21. 2.430 km SW of Ferndale, CaliforniaWed, Oct 3, 7:43 PM PDT · 13150 days ago · 18 km deep · 47 km away
22. 2.477 km W of Ferndale, CaliforniaFri, Oct 5, 1:43 PM PDT · 13149 days ago · 5 km deep · 27 km away
23. 3.7126 km W of Trinidad, CaliforniaTue, Oct 9, 10:37 PM PDT · 13144 days ago · 2 km deep · 85 km away
24. 2.340 km WSW of Ferndale, CaliforniaThu, Oct 11, 10:49 AM PDT · 13143 days ago · 22 km deep · 29 km away
25. 2.354 km W of Ferndale, CaliforniaSun, Oct 14, 1:15 AM PDT · 13140 days ago · -1 km deep · 15 km away
26. 2.535 km SW of Ferndale, CaliforniaTue, Oct 16, 9:46 AM PDT · 13138 days ago · 23 km deep · 48 km away
27. 1.9near the coast of Northern CaliforniaThu, Oct 18, 4:54 PM PDT · 13135 days ago · 10 km deep · 44 km away
28. 2.515 km SW of Scotia, CaliforniaFri, Oct 19, 12:30 PM PDT · 13135 days ago · 30 km deep · 65 km away
29. 2.940 km SSW of Ferndale, CaliforniaSat, Oct 20, 10:13 PM PDT · 13133 days ago · 4 km deep · 58 km away
30. 2.971 km WSW of Ferndale, CaliforniaSun, Oct 21, 10:13 AM PDT · 13133 days ago · 22 km deep · 39 km away
31. 2.474 km WNW of Ferndale, CaliforniaSun, Oct 21, 3:57 PM PDT · 13133 days ago · 5 km deep · 24 km away
32. 2.810 km SSW of Ferndale, CaliforniaMon, Oct 22, 8:34 AM PDT · 13132 days ago · 22 km deep · 52 km away
33. 3.240 km WNW of Ferndale, CaliforniaWed, Oct 24, 11:45 PM PDT · 13129 days ago · -1 km deep · 11 km away
34. 2.119 km NW of Shelter Cove, CaliforniaThu, Oct 25, 4:59 AM PDT · 13129 days ago · 8 km deep · 79 km away
35. 3.082 km W of Ferndale, CaliforniaFri, Oct 26, 2:23 PM PDT · 13128 days ago · 1 km deep · 41 km away
36. 1.936 km SSW of Ferndale, CaliforniaSun, Oct 28, 9:03 PM PST · 13125 days ago · 21 km deep · 52 km away
37. 3.528 km SSW of Ferndale, CaliforniaTue, Oct 30, 6:42 PM PST · 13123 days ago · 18 km deep · 51 km away
38. 3.1124 km W of Ferndale, CaliforniaWed, Oct 31, 12:22 AM PST · 13123 days ago · 6 km deep · 79 km away
39. 1.632 km SSW of Ferndale, CaliforniaThu, Nov 1, 8:14 AM PST · 13122 days ago · 5 km deep · 55 km away
40. 1.624 km SSW of Scotia, CaliforniaThu, Nov 1, 9:42 PM PST · 13121 days ago · 18 km deep · 67 km away
41. 2.424 km SSW of Ferndale, CaliforniaFri, Nov 2, 3:03 PM PST · 13121 days ago · 16 km deep · 54 km away
42. 4.468 km WNW of Indianola, CaliforniaSat, Nov 3, 5:47 AM PST · 13120 days ago · 9 km deep · 26 km away
43. 3.283 km W of Trinidad, CaliforniaSat, Nov 3, 9:20 PM PST · 13119 days ago · 2 km deep · 47 km away
44. 2.531 km SW of Ferndale, CaliforniaTue, Nov 6, 4:33 AM PST · 13117 days ago · 8 km deep · 40 km away

Before

1. 1.63 km SW of Ferndale, CaliforniaMon, Sep 3, 9:45 PM PDT · 13180 days ago · 12 km deep · 49 km away
2. 1.60 km NNE of Fortuna, CaliforniaMon, Sep 3, 5:17 PM PDT · 13180 days ago · -1 km deep · 59 km away
3. 3.019 km SW of Scotia, CaliforniaMon, Sep 3, 4:07 PM PDT · 13180 days ago · 29 km deep · 59 km away
4. 1.93 km ENE of Ferndale, CaliforniaSun, Sep 2, 3:25 PM PDT · 13182 days ago · 4 km deep · 53 km away
5. 2.16 km SE of Pine Hills, CaliforniaSun, Sep 2, 1:12 AM PDT · 13182 days ago · 14 km deep · 64 km away
6. 2.475 km WSW of Ferndale, CaliforniaSat, Sep 1, 1:18 AM PDT · 13183 days ago · 1 km deep · 37 km away
7. 4.0off the coast of Northern CaliforniaFri, Aug 31, 1:15 PM PDT · 13184 days ago · 2 km deep · 65 km away
8. 1.718 km WNW of Fields Landing, CaliforniaWed, Aug 29, 8:34 PM PDT · 13185 days ago · -1 km deep · 38 km away
9. 1.96 km WNW of Loleta, CaliforniaMon, Aug 27, 4:54 AM PDT · 13188 days ago · 4 km deep · 47 km away
10. 2.328 km W of Ferndale, CaliforniaThu, Aug 23, 11:37 PM PDT · 13191 days ago · 22 km deep · 24 km away
11. 1.819 km SSW of Ferndale, CaliforniaTue, Aug 21, 6:58 AM PDT · 13194 days ago · 15 km deep · 49 km away
12. 2.410 km W of Rio Dell, CaliforniaSun, Aug 19, 10:01 PM PDT · 13195 days ago · 19 km deep · 57 km away
13. 2.521 km WSW of Weott, CaliforniaSat, Aug 18, 8:57 PM PDT · 13196 days ago · 11 km deep · 73 km away
14. 3.577 km WSW of Ferndale, CaliforniaSat, Aug 18, 7:28 AM PDT · 13197 days ago · 22 km deep · 39 km away
15. 2.834 km SSW of Ferndale, CaliforniaFri, Aug 17, 6:33 AM PDT · 13198 days ago · 14 km deep · 51 km away
16. 1.93 km ESE of Ferndale, CaliforniaWed, Aug 15, 11:00 PM PDT · 13199 days ago · 11 km deep · 55 km away
17. 2.5near the coast of Northern CaliforniaMon, Aug 13, 4:08 AM PDT · 13202 days ago · 5 km deep · 69 km away
18. 2.13 km NE of Hydesville, CaliforniaSun, Aug 12, 11:38 AM PDT · 13203 days ago · 15 km deep · 68 km away
19. 1.626 km SW of Ferndale, CaliforniaSun, Aug 12, 2:17 AM PDT · 13203 days ago · 24 km deep · 39 km away
20. 2.740 km WNW of Fields Landing, CaliforniaFri, Aug 10, 4:14 PM PDT · 13204 days ago · 4 km deep · 24 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc20092865. Read Mon, Oct 5, 2026, 10:36 AM UTC.