M1.7 earthquake 31 km SW of Ferndale, California

Magnitude

1.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Sep 30, 1976, 11:49 PM PDT

UTC

1976-10-01 06:49:32 UTC

Depth

18.8 km (11.7 mi), shallow

Epicenter

40.357° N, 124.491° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.2 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

310°, poorly surrounded by stations

Stations used

6

• Ferndale, CaliforniaPopulation 1,369. Forecast31 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast39 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast236 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast893 kmNW

After

1. 1.622 km SW of Scotia, CaliforniaFri, Oct 1, 7:08 AM PDT · 18264 days ago · 11 km deep · 18 km away
2. 1.922 km SSW of Ferndale, CaliforniaFri, Oct 1, 1:22 PM PDT · 18263 days ago · 19 km deep · 12 km away
3. 2.010 km ENE of Hydesville, CaliforniaFri, Oct 1, 1:39 PM PDT · 18263 days ago · 22 km deep · 49 km away
4. 2.253 km W of Ferndale, CaliforniaSun, Oct 3, 2:02 PM PDT · 18261 days ago · 4 km deep · 41 km away
5. 1.615 km SW of Ferndale, CaliforniaSun, Oct 3, 10:50 PM PDT · 18261 days ago · 22 km deep · 15 km away
6. 2.452 km W of Ferndale, CaliforniaTue, Oct 5, 7:28 AM PDT · 18260 days ago · 5 km deep · 41 km away
7. 2.634 km WNW of Samoa, CaliforniaWed, Oct 6, 9:36 AM PDT · 18258 days ago · 23 km deep · 64 km away
8. 1.611 km SSW of Scotia, CaliforniaWed, Oct 6, 4:58 PM PDT · 18258 days ago · 25 km deep · 28 km away
9. 1.617 km SW of Trinity Village, CaliforniaWed, Oct 6, 7:59 PM PDT · 18258 days ago · 32 km deep · 83 km away
10. 1.616 km ENE of Weott, CaliforniaSun, Oct 10, 4:43 PM PDT · 18254 days ago · 29 km deep · 63 km away
11. 2.639 km W of Ferndale, CaliforniaSun, Oct 10, 6:06 PM PDT · 18254 days ago · 20 km deep · 31 km away
12. 2.532 km SSW of Ferndale, CaliforniaMon, Oct 11, 2:11 AM PDT · 18254 days ago · 16 km deep · 6 km away
13. 1.634 km SSW of Ferndale, CaliforniaMon, Oct 11, 9:08 AM PDT · 18253 days ago · 13 km deep · 8 km away
14. 3.268 km W of Ferndale, CaliforniaMon, Oct 11, 8:17 PM PDT · 18253 days ago · 7 km deep · 51 km away
15. 1.637 km SW of Ferndale, CaliforniaThu, Oct 14, 2:27 AM PDT · 18251 days ago · 20 km deep · 11 km away
16. 2.131 km W of Ferndale, CaliforniaThu, Oct 14, 3:56 AM PDT · 18251 days ago · 21 km deep · 28 km away
17. 1.536 km SSW of Ferndale, CaliforniaThu, Oct 14, 1:59 PM PDT · 18250 days ago · 20 km deep · 6 km away
18. 1.719 km SW of Ferndale, CaliforniaFri, Oct 15, 12:41 AM PDT · 18250 days ago · 24 km deep · 13 km away
19. 3.850 km WSW of Ferndale, CaliforniaFri, Oct 15, 1:40 AM PDT · 18250 days ago · 25 km deep · 30 km away
20. 2.528 km SW of Scotia, CaliforniaSat, Oct 16, 4:16 PM PDT · 18248 days ago · 18 km deep · 11 km away
21. 2.46 km ENE of Fieldbrook, CaliforniaSun, Oct 17, 1:44 AM PDT · 18248 days ago · 24 km deep · 83 km away
22. 2.566 km W of Ferndale, CaliforniaMon, Oct 18, 1:49 AM PDT · 18247 days ago · 4 km deep · 51 km away
23. 2.761 km W of Ferndale, CaliforniaMon, Oct 18, 2:49 AM PDT · 18247 days ago · 37 km deep · 49 km away
24. 4.092 km W of Ferndale, CaliforniaMon, Oct 18, 5:27 AM PDT · 18247 days ago · 5 km deep · 80 km away
25. 2.470 km W of Ferndale, CaliforniaTue, Oct 19, 11:27 PM PDT · 18245 days ago · 4 km deep · 53 km away
26. 1.731 km WSW of Ferndale, CaliforniaWed, Oct 20, 4:03 AM PDT · 18245 days ago · 23 km deep · 14 km away
27. 2.6near the coast of Northern CaliforniaWed, Oct 20, 9:58 AM PDT · 18244 days ago · 26 km deep · 55 km away
28. 2.114 km W of Mad River, CaliforniaWed, Oct 20, 8:02 PM PDT · 18244 days ago · 22 km deep · 70 km away
29. 2.729 km WSW of Ferndale, CaliforniaFri, Oct 22, 2:56 PM PDT · 18242 days ago · 22 km deep · 17 km away
30. 3.776 km W of Ferndale, CaliforniaFri, Oct 22, 7:16 PM PDT · 18242 days ago · 7 km deep · 58 km away
31. 1.79 km SE of Pine Hills, CaliforniaSat, Oct 23, 2:09 AM PDT · 18242 days ago · 22 km deep · 52 km away
32. 3.430 km SSW of Ferndale, CaliforniaTue, Oct 26, 4:23 PM PDT · 18238 days ago · 20 km deep · 7 km away
33. 1.921 km NE of Hydesville, CaliforniaWed, Oct 27, 2:03 AM PDT · 18238 days ago · 22 km deep · 61 km away
34. 3.137 km SW of Ferndale, CaliforniaThu, Oct 28, 3:48 PM PDT · 18236 days ago · 24 km deep · 6 km away
35. 2.611 km NNW of Leggett, CaliforniaThu, Oct 28, 11:47 PM PDT · 18236 days ago · 4 km deep · 76 km away
36. 2.239 km WNW of Samoa, CaliforniaFri, Oct 29, 3:52 AM PDT · 18236 days ago · 19 km deep · 66 km away
37. 2.62 km E of Indianola, CaliforniaFri, Oct 29, 1:47 PM PDT · 18235 days ago · 17 km deep · 44 km away
38. 3.11 km NNW of Humboldt Hill, CaliforniaFri, Oct 29, 4:30 PM PDT · 18235 days ago · 10 km deep · 49 km away
39. 1.62 km NNE of Fields Landing, CaliforniaFri, Oct 29, 7:35 PM PDT · 18235 days ago · 9 km deep · 49 km away
40. 2.30 km ENE of Garberville, CaliforniaSat, Oct 30, 11:25 AM PDT · 18234 days ago · 8 km deep · 66 km away
41. 2.721 km WNW of Ferndale, CaliforniaSat, Oct 30, 3:11 PM PDT · 18234 days ago · 23 km deep · 34 km away
42. 2.11 km NNW of Humboldt Hill, CaliforniaSat, Oct 30, 4:53 PM PDT · 18234 days ago · 10 km deep · 49 km away
43. 3.969 km W of Ferndale, CaliforniaSat, Oct 30, 10:18 PM PDT · 18234 days ago · 5 km deep · 54 km away
44. 1.931 km WSW of Ferndale, CaliforniaSun, Oct 31, 3:13 PM PST · 18233 days ago · 25 km deep · 19 km away
45. 1.920 km W of Hyampom, CaliforniaMon, Nov 1, 7:24 AM PST · 18233 days ago · 23 km deep · 74 km away
46. 1.627 km SW of Ferndale, CaliforniaWed, Nov 3, 2:18 AM PST · 18231 days ago · 33 km deep · 9 km away
47. 2.26 km ENE of Loleta, CaliforniaWed, Nov 3, 7:24 AM PST · 18231 days ago · 27 km deep · 45 km away
48. 2.338 km SW of Ferndale, CaliforniaFri, Nov 5, 1:38 AM PST · 18229 days ago · 19 km deep · 11 km away
49. 1.614 km SW of Ferndale, CaliforniaFri, Nov 5, 4:53 AM PST · 18229 days ago · 20 km deep · 17 km away
50. 2.235 km SW of Ferndale, CaliforniaFri, Nov 5, 9:55 AM PST · 18228 days ago · 26 km deep · 7 km away
51. 1.631 km SW of Ferndale, CaliforniaSat, Nov 6, 1:47 AM PST · 18228 days ago · 22 km deep · 2 km away
52. 2.77 km E of Redcrest, CaliforniaSat, Nov 6, 5:17 AM PST · 18228 days ago · 22 km deep · 54 km away
53. 1.62 km WNW of Bayview, CaliforniaMon, Nov 8, 11:41 AM PST · 18225 days ago · 25 km deep · 53 km away
54. 2.544 km SW of Ferndale, CaliforniaWed, Nov 10, 4:32 PM PST · 18223 days ago · 13 km deep · 17 km away
55. 3.116 km SW of Ferndale, CaliforniaWed, Nov 10, 7:28 PM PST · 18223 days ago · 24 km deep · 16 km away
56. 1.621 km ENE of Hydesville, CaliforniaThu, Nov 11, 3:13 AM PST · 18223 days ago · 26 km deep · 61 km away
57. 2.659 km WNW of Samoa, CaliforniaThu, Nov 11, 8:38 AM PST · 18222 days ago · 14 km deep · 77 km away
58. 1.757 km WNW of Samoa, CaliforniaThu, Nov 11, 8:41 AM PST · 18222 days ago · 7 km deep · 74 km away
59. 2.416 km WSW of Ferndale, CaliforniaThu, Nov 11, 10:55 AM PST · 18222 days ago · 24 km deep · 16 km away
60. 1.617 km WSW of Ferndale, CaliforniaThu, Nov 11, 11:03 AM PST · 18222 days ago · 23 km deep · 16 km away

The first 60 of 107.

Before

1. 2.533 km SW of Ferndale, CaliforniaThu, Sep 30, 4:26 PM PDT · 18264 days ago · 25 km deep · 2 km away
2. 1.817 km E of Redcrest, CaliforniaWed, Sep 29, 9:26 AM PDT · 18265 days ago · 22 km deep · 64 km away
3. 1.821 km NNW of Shelter Cove, CaliforniaWed, Sep 29, 7:23 AM PDT · 18266 days ago · 4 km deep · 32 km away
4. 1.730 km SW of Ferndale, CaliforniaTue, Sep 28, 11:08 AM PDT · 18266 days ago · 21 km deep · 1 km away
5. 1.523 km SSW of Ferndale, CaliforniaMon, Sep 27, 8:35 AM PDT · 18268 days ago · 22 km deep · 9 km away
6. 2.827 km WSW of Ferndale, CaliforniaMon, Sep 27, 1:05 AM PDT · 18268 days ago · 24 km deep · 11 km away
7. 2.75 km SSE of Leggett, CaliforniaSat, Sep 25, 11:20 AM PDT · 18269 days ago · 13 km deep · 90 km away
8. 3.033 km SW of Ferndale, CaliforniaFri, Sep 24, 7:26 PM PDT · 18270 days ago · 25 km deep · 4 km away
9. 1.58 km SSW of Ferndale, CaliforniaFri, Sep 24, 9:49 AM PDT · 18270 days ago · 21 km deep · 23 km away
10. 2.137 km SSW of Ferndale, CaliforniaThu, Sep 23, 3:41 PM PDT · 18271 days ago · 28 km deep · 8 km away
11. 1.727 km SW of Ferndale, CaliforniaThu, Sep 23, 1:18 AM PDT · 18272 days ago · 21 km deep · 5 km away
12. 3.239 km SW of Ferndale, CaliforniaThu, Sep 23, 12:28 AM PDT · 18272 days ago · 23 km deep · 9 km away
13. 1.78 km WSW of Rio Dell, CaliforniaWed, Sep 22, 6:56 PM PDT · 18272 days ago · 21 km deep · 28 km away
14. 1.91 km WNW of Humboldt Hill, CaliforniaMon, Sep 20, 3:43 PM PDT · 18274 days ago · 0 km deep · 48 km away
15. 3.00 km NNW of Humboldt Hill, CaliforniaMon, Sep 20, 3:23 PM PDT · 18274 days ago · 10 km deep · 49 km away
16. 3.00 km NW of Humboldt Hill, CaliforniaMon, Sep 20, 2:09 PM PDT · 18274 days ago · 10 km deep · 49 km away
17. 3.625 km W of Ferndale, CASun, Sep 19, 8:33 PM PDT · 18275 days ago · 22 km deep · 23 km away
18. 1.51 km NW of Humboldt Hill, CaliforniaSun, Sep 19, 2:45 PM PDT · 18275 days ago · 9 km deep · 49 km away
19. 2.478 km WSW of Ferndale, CaliforniaSun, Sep 19, 11:09 AM PDT · 18275 days ago · 4 km deep · 57 km away
20. 1.927 km W of Indianola, CaliforniaSun, Sep 19, 6:22 AM PDT · 18276 days ago · 21 km deep · 40 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1031749. Read Sat, Oct 3, 2026, 3:24 AM UTC.