M2.7 earthquake 21 km WNW of Ferndale, California

Magnitude

2.7 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Oct 30, 1976, 3:11 PM PDT

UTC

1976-10-30 22:11:01 UTC

Depth

23.5 km (14.6 mi), shallow

Epicenter

40.662° N, 124.489° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.7 km horizontally, 0.8 km in depth

Depth from

From location

Station coverage gap

252°, poorly surrounded by stations

Stations used

13

• Ferndale, CaliforniaPopulation 1,369. Forecast21 kmWNW
• Fortuna, CaliforniaPopulation 12,000. Forecast29 kmWNW
• Chico, CaliforniaPopulation 121,345. Forecast248 kmWNW

After

1. 2.11 km NNW of Humboldt Hill, CaliforniaSat, Oct 30, 4:53 PM PDT · 18233 days ago · 10 km deep · 26 km away
2. 3.969 km W of Ferndale, CaliforniaSat, Oct 30, 10:18 PM PDT · 18233 days ago · 5 km deep · 52 km away
3. 1.931 km WSW of Ferndale, CaliforniaSun, Oct 31, 3:13 PM PST · 18232 days ago · 25 km deep · 22 km away
4. 1.920 km W of Hyampom, CaliforniaMon, Nov 1, 7:24 AM PST · 18231 days ago · 23 km deep · 67 km away
5. 1.627 km SW of Ferndale, CaliforniaWed, Nov 3, 2:18 AM PST · 18230 days ago · 33 km deep · 26 km away
6. 2.26 km ENE of Loleta, CaliforniaWed, Nov 3, 7:24 AM PST · 18229 days ago · 27 km deep · 28 km away
7. 2.338 km SW of Ferndale, CaliforniaFri, Nov 5, 1:38 AM PST · 18228 days ago · 19 km deep · 35 km away
8. 1.614 km SW of Ferndale, CaliforniaFri, Nov 5, 4:53 AM PST · 18228 days ago · 20 km deep · 23 km away
9. 2.235 km SW of Ferndale, CaliforniaFri, Nov 5, 9:55 AM PST · 18227 days ago · 26 km deep · 34 km away
10. 1.631 km SW of Ferndale, CaliforniaSat, Nov 6, 1:47 AM PST · 18227 days ago · 22 km deep · 33 km away
11. 2.77 km E of Redcrest, CaliforniaSat, Nov 6, 5:17 AM PST · 18227 days ago · 22 km deep · 61 km away
12. 1.62 km WNW of Bayview, CaliforniaMon, Nov 8, 11:41 AM PST · 18224 days ago · 25 km deep · 27 km away
13. 2.544 km SW of Ferndale, CaliforniaWed, Nov 10, 4:32 PM PST · 18222 days ago · 13 km deep · 40 km away
14. 3.116 km SW of Ferndale, CaliforniaWed, Nov 10, 7:28 PM PST · 18222 days ago · 24 km deep · 20 km away
15. 1.621 km ENE of Hydesville, CaliforniaThu, Nov 11, 3:13 AM PST · 18222 days ago · 26 km deep · 52 km away
16. 2.659 km WNW of Samoa, CaliforniaThu, Nov 11, 8:38 AM PST · 18221 days ago · 14 km deep · 48 km away
17. 1.757 km WNW of Samoa, CaliforniaThu, Nov 11, 8:41 AM PST · 18221 days ago · 7 km deep · 45 km away
18. 2.416 km WSW of Ferndale, CaliforniaThu, Nov 11, 10:55 AM PST · 18221 days ago · 24 km deep · 19 km away
19. 1.617 km WSW of Ferndale, CaliforniaThu, Nov 11, 11:03 AM PST · 18221 days ago · 23 km deep · 19 km away
20. 1.52 km NE of Phillipsville, CaliforniaThu, Nov 11, 6:22 PM PST · 18221 days ago · 21 km deep · 78 km away
21. 1.6Northern CaliforniaThu, Nov 11, 6:24 PM PST · 18221 days ago · 21 km deep · 79 km away
22. 2.369 km WNW of Samoa, CaliforniaFri, Nov 12, 7:17 AM PST · 18220 days ago · 5 km deep · 55 km away
23. 1.628 km SSW of Ferndale, CaliforniaFri, Nov 12, 5:22 PM PST · 18220 days ago · 20 km deep · 33 km away
24. 1.526 km W of Indianola, CaliforniaMon, Nov 15, 3:31 AM PST · 18218 days ago · 22 km deep · 7 km away
25. 1.613 km SSW of Ferndale, CaliforniaMon, Nov 15, 4:40 AM PST · 18218 days ago · 25 km deep · 27 km away
26. 2.062 km WNW of Samoa, CaliforniaTue, Nov 16, 2:56 PM PST · 18216 days ago · 5 km deep · 50 km away
27. 3.326 km SW of Ferndale, CaliforniaWed, Nov 17, 3:25 AM PST · 18216 days ago · 26 km deep · 30 km away
28. 2.425 km SW of Ferndale, CaliforniaWed, Nov 17, 6:01 AM PST · 18215 days ago · 21 km deep · 30 km away
29. 1.823 km SSW of Ferndale, CaliforniaWed, Nov 17, 7:31 AM PST · 18215 days ago · 20 km deep · 30 km away
30. 1.513 km SW of Ferndale, CaliforniaWed, Nov 17, 3:22 PM PST · 18215 days ago · 20 km deep · 24 km away
31. 1.725 km WSW of Ferndale, CaliforniaFri, Nov 19, 3:51 PM PST · 18213 days ago · 23 km deep · 22 km away
32. 2.320 km SW of Ferndale, CaliforniaFri, Nov 19, 6:21 PM PST · 18213 days ago · 21 km deep · 21 km away
33. 2.016 km SW of Mad River, CaliforniaSat, Nov 20, 12:10 AM PST · 18213 days ago · 17 km deep · 79 km away
34. 2.517 km ESE of Pine Hills, CaliforniaSat, Nov 20, 4:25 AM PST · 18213 days ago · 22 km deep · 44 km away
35. 2.64 km W of Samoa, CaliforniaSat, Nov 20, 10:57 AM PST · 18212 days ago · 23 km deep · 27 km away
36. 3.229 km WSW of Ferndale, CaliforniaSat, Nov 20, 9:24 PM PST · 18212 days ago · 23 km deep · 22 km away
37. 1.624 km SSW of Ferndale, CaliforniaSun, Nov 21, 7:19 AM PST · 18211 days ago · 19 km deep · 31 km away
38. 2.526 km SSW of Ferndale, CaliforniaTue, Nov 23, 8:00 AM PST · 18209 days ago · 19 km deep · 33 km away
39. 2.027 km WNW of Ferndale, CaliforniaThu, Nov 25, 4:42 AM PST · 18208 days ago · 22 km deep · 8 km away
40. 6.367 km W of Trinidad, CaliforniaFri, Nov 26, 3:19 AM PST · 18207 days ago · 42 km deep · 57 km away
41. 3.839 km W of Samoa, CaliforniaFri, Nov 26, 3:37 AM PST · 18207 days ago · 24 km deep · 27 km away
42. 2.266 km WNW of Samoa, CaliforniaFri, Nov 26, 3:40 AM PST · 18207 days ago · 30 km deep · 52 km away
43. 4.062 km W of Big Lagoon, CaliforniaFri, Nov 26, 3:42 AM PST · 18207 days ago · 33 km deep · 68 km away
44. 2.791 km W of Trinidad, CaliforniaFri, Nov 26, 3:49 AM PST · 18207 days ago · 5 km deep · 81 km away
45. 2.594 km W of Samoa, CaliforniaFri, Nov 26, 4:03 AM PST · 18207 days ago · 5 km deep · 76 km away
46. 2.498 km W of Big Lagoon, CaliforniaFri, Nov 26, 4:09 AM PST · 18207 days ago · 5 km deep · 90 km away
47. 2.3off the coast of Northern CaliforniaFri, Nov 26, 4:12 AM PST · 18207 days ago · 5 km deep · 85 km away
48. 1.919 km WNW of Fields Landing, CaliforniaFri, Nov 26, 4:27 AM PST · 18207 days ago · 25 km deep · 16 km away
49. 3.815 km WNW of Fields Landing, CaliforniaFri, Nov 26, 4:27 AM PST · 18207 days ago · 23 km deep · 16 km away
50. 3.327 km WNW of Fields Landing, CaliforniaFri, Nov 26, 4:28 AM PST · 18207 days ago · 25 km deep · 17 km away
51. 3.091 km W of Trinidad, CaliforniaFri, Nov 26, 4:34 AM PST · 18207 days ago · 5 km deep · 83 km away
52. 2.099 km W of Trinidad, CaliforniaFri, Nov 26, 5:22 AM PST · 18207 days ago · 5 km deep · 88 km away
53. 1.855 km W of Trinidad, CaliforniaFri, Nov 26, 6:08 AM PST · 18206 days ago · 5 km deep · 53 km away
54. 2.434 km W of Big Lagoon, CaliforniaFri, Nov 26, 6:17 AM PST · 18206 days ago · 5 km deep · 61 km away
55. 2.111 km ESE of Pine Hills, CaliforniaFri, Nov 26, 6:19 AM PST · 18206 days ago · 2 km deep · 39 km away
56. 2.081 km W of Trinidad, CaliforniaFri, Nov 26, 6:23 AM PST · 18206 days ago · 5 km deep · 75 km away
57. 2.4102 km W of Trinidad, CaliforniaFri, Nov 26, 6:28 AM PST · 18206 days ago · 5 km deep · 89 km away
58. 2.492 km W of Big Lagoon, CaliforniaFri, Nov 26, 6:49 AM PST · 18206 days ago · 5 km deep · 87 km away
59. 3.689 km W of Trinidad, CaliforniaFri, Nov 26, 6:50 AM PST · 18206 days ago · 32 km deep · 76 km away
60. 2.0109 km WNW of Samoa, CaliforniaFri, Nov 26, 7:43 AM PST · 18206 days ago · 5 km deep · 92 km away

The first 60 of 140.

Before

1. 2.30 km ENE of Garberville, CaliforniaSat, Oct 30, 11:25 AM PDT · 18233 days ago · 8 km deep · 86 km away
2. 1.62 km NNE of Fields Landing, CaliforniaFri, Oct 29, 7:35 PM PDT · 18234 days ago · 9 km deep · 25 km away
3. 3.11 km NNW of Humboldt Hill, CaliforniaFri, Oct 29, 4:30 PM PDT · 18234 days ago · 10 km deep · 26 km away
4. 2.62 km E of Indianola, CaliforniaFri, Oct 29, 1:47 PM PDT · 18234 days ago · 17 km deep · 24 km away
5. 2.239 km WNW of Samoa, CaliforniaFri, Oct 29, 3:52 AM PDT · 18235 days ago · 19 km deep · 33 km away
6. 2.611 km NNW of Leggett, CaliforniaThu, Oct 28, 11:47 PM PDT · 18235 days ago · 4 km deep · 100 km away
7. 3.137 km SW of Ferndale, CaliforniaThu, Oct 28, 3:48 PM PDT · 18235 days ago · 24 km deep · 39 km away
8. 1.921 km NE of Hydesville, CaliforniaWed, Oct 27, 2:03 AM PDT · 18237 days ago · 22 km deep · 51 km away
9. 3.430 km SSW of Ferndale, CaliforniaTue, Oct 26, 4:23 PM PDT · 18237 days ago · 20 km deep · 37 km away
10. 1.79 km SE of Pine Hills, CaliforniaSat, Oct 23, 2:09 AM PDT · 18241 days ago · 22 km deep · 36 km away
11. 3.776 km W of Ferndale, CaliforniaFri, Oct 22, 7:16 PM PDT · 18241 days ago · 7 km deep · 61 km away
12. 2.729 km WSW of Ferndale, CaliforniaFri, Oct 22, 2:56 PM PDT · 18241 days ago · 22 km deep · 21 km away
13. 2.114 km W of Mad River, CaliforniaWed, Oct 20, 8:02 PM PDT · 18243 days ago · 22 km deep · 73 km away
14. 2.6near the coast of Northern CaliforniaWed, Oct 20, 9:58 AM PDT · 18243 days ago · 26 km deep · 21 km away
15. 1.731 km WSW of Ferndale, CaliforniaWed, Oct 20, 4:03 AM PDT · 18244 days ago · 23 km deep · 25 km away
16. 2.470 km W of Ferndale, CaliforniaTue, Oct 19, 11:27 PM PDT · 18244 days ago · 4 km deep · 54 km away
17. 4.092 km W of Ferndale, CaliforniaMon, Oct 18, 5:27 AM PDT · 18246 days ago · 5 km deep · 73 km away
18. 2.761 km W of Ferndale, CaliforniaMon, Oct 18, 2:49 AM PDT · 18246 days ago · 37 km deep · 43 km away
19. 2.566 km W of Ferndale, CaliforniaMon, Oct 18, 1:49 AM PDT · 18246 days ago · 4 km deep · 49 km away
20. 2.46 km ENE of Fieldbrook, CaliforniaSun, Oct 17, 1:44 AM PDT · 18247 days ago · 24 km deep · 57 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1032113. Read Fri, Oct 2, 2026, 1:19 AM UTC.