M2.0 earthquake 29 km WNW of Samoa, California

Magnitude

2.0 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Sep 4, 1976, 10:33 PM PDT

UTC

1976-09-05 05:33:50 UTC

Depth

25.9 km (16.1 mi), shallow

Epicenter

40.961° N, 124.480° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.6 km horizontally, 3.3 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

277°, poorly surrounded by stations

Stations used

13

• Manila, CaliforniaPopulation 784. Forecast29 kmWNW
• McKinleyville, CaliforniaPopulation 15,177. Forecast32 kmW
• Chico, CaliforniaPopulation 121,345. Forecast263 kmWNW

After

1. 2.478 km W of Ferndale, CaliforniaMon, Sep 6, 10:23 AM PDT · 18290 days ago · 5 km deep · 69 km away
2. 1.71 km NW of Humboldt Hill, CaliforniaMon, Sep 6, 4:13 PM PDT · 18290 days ago · 10 km deep · 34 km away
3. 1.61 km NE of Fields Landing, CaliforniaMon, Sep 6, 4:34 PM PDT · 18290 days ago · 12 km deep · 35 km away
4. 1.91 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 3:19 AM PDT · 18290 days ago · 10 km deep · 35 km away
5. 1.71 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 8:18 AM PDT · 18289 days ago · 10 km deep · 35 km away
6. 1.71 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 3:27 PM PDT · 18289 days ago · 9 km deep · 35 km away
7. 1.80 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 3:58 PM PDT · 18289 days ago · 10 km deep · 35 km away
8. 2.247 km W of Ferndale, CaliforniaTue, Sep 7, 9:13 PM PDT · 18289 days ago · 18 km deep · 50 km away
9. 3.214 km ESE of Big Lagoon, CaliforniaWed, Sep 8, 1:22 AM PDT · 18289 days ago · 22 km deep · 47 km away
10. 1.520 km SW of Ferndale, CaliforniaThu, Sep 9, 12:03 AM PDT · 18288 days ago · 22 km deep · 59 km away
11. 2.513 km WSW of Ferndale, CaliforniaThu, Sep 9, 3:59 AM PDT · 18288 days ago · 22 km deep · 48 km away
12. 2.116 km SW of Mad River, CaliforniaThu, Sep 9, 8:44 AM PDT · 18287 days ago · 25 km deep · 100 km away
13. 1.656 km WNW of Samoa, CaliforniaThu, Sep 9, 7:29 PM PDT · 18287 days ago · 4 km deep · 30 km away
14. 1.613 km WSW of Scotia, CaliforniaThu, Sep 9, 10:21 PM PDT · 18287 days ago · 25 km deep · 61 km away
15. 2.36 km SSE of Pine Hills, CaliforniaFri, Sep 10, 12:19 PM PDT · 18286 days ago · 19 km deep · 43 km away
16. 2.133 km SSW of Ferndale, CaliforniaSat, Sep 11, 9:39 AM PDT · 18285 days ago · 23 km deep · 71 km away
17. 2.654 km W of Ferndale, CaliforniaSat, Sep 11, 10:02 AM PDT · 18285 days ago · 6 km deep · 59 km away
18. 3.548 km WSW of Ferndale, CaliforniaSat, Sep 11, 10:11 AM PDT · 18285 days ago · 25 km deep · 62 km away
19. 1.612 km ENE of Hydesville, CaliforniaSun, Sep 12, 3:09 AM PDT · 18285 days ago · 20 km deep · 59 km away
20. 1.60 km W of Fortuna, CaliforniaSun, Sep 12, 5:07 AM PDT · 18284 days ago · 19 km deep · 48 km away
21. 2.846 km WSW of Ferndale, CaliforniaMon, Sep 13, 2:15 AM PDT · 18284 days ago · 23 km deep · 63 km away
22. 1.545 km WSW of Ferndale, CaliforniaMon, Sep 13, 2:25 AM PDT · 18284 days ago · 19 km deep · 60 km away
23. 1.828 km WSW of Ferndale, CaliforniaMon, Sep 13, 6:55 AM PDT · 18283 days ago · 23 km deep · 56 km away
24. 4.844 km SSW of Ferndale, CaliforniaMon, Sep 13, 9:08 AM PDT · 18283 days ago · 33 km deep · 81 km away
25. 4.035 km SW of Ferndale, CaliforniaMon, Sep 13, 9:09 AM PDT · 18283 days ago · 27 km deep · 72 km away
26. 2.528 km SSW of Ferndale, CaliforniaMon, Sep 13, 9:27 AM PDT · 18283 days ago · 23 km deep · 69 km away
27. 2.919 km SSW of Ferndale, CaliforniaMon, Sep 13, 9:55 AM PDT · 18283 days ago · 23 km deep · 61 km away
28. 1.629 km SW of Ferndale, CaliforniaMon, Sep 13, 9:59 AM PDT · 18283 days ago · 21 km deep · 65 km away
29. 1.525 km SSW of Ferndale, CaliforniaMon, Sep 13, 10:35 AM PDT · 18283 days ago · 23 km deep · 66 km away
30. 3.236 km SW of Ferndale, CaliforniaMon, Sep 13, 12:32 PM PDT · 18283 days ago · 28 km deep · 73 km away
31. 1.611 km S of Ferndale, CaliforniaMon, Sep 13, 1:37 PM PDT · 18283 days ago · 4 km deep · 57 km away
32. 1.735 km WSW of Ferndale, CaliforniaMon, Sep 13, 1:58 PM PDT · 18283 days ago · 28 km deep · 59 km away
33. 2.034 km SW of Ferndale, CaliforniaTue, Sep 14, 5:30 AM PDT · 18282 days ago · 21 km deep · 70 km away
34. 1.933 km SSW of Ferndale, CaliforniaTue, Sep 14, 6:18 AM PDT · 18282 days ago · 23 km deep · 72 km away
35. 1.667 km WNW of Indianola, CaliforniaTue, Sep 14, 8:59 AM PDT · 18282 days ago · 5 km deep · 47 km away
36. 2.858 km W of Ferndale, CaliforniaWed, Sep 15, 2:42 AM PDT · 18282 days ago · 44 km deep · 57 km away
37. 2.932 km SSW of Ferndale, CaliforniaWed, Sep 15, 8:36 AM PDT · 18281 days ago · 20 km deep · 72 km away
38. 3.432 km SW of Ferndale, CaliforniaWed, Sep 15, 4:52 PM PDT · 18281 days ago · 25 km deep · 69 km away
39. 1.724 km WSW of Scotia, CaliforniaWed, Sep 15, 5:17 PM PDT · 18281 days ago · 16 km deep · 68 km away
40. 1.732 km SW of Ferndale, CaliforniaThu, Sep 16, 2:43 AM PDT · 18281 days ago · 21 km deep · 68 km away
41. 2.476 km W of Ferndale, CaliforniaThu, Sep 16, 11:48 PM PDT · 18280 days ago · 3 km deep · 79 km away
42. 2.89 km WSW of Rio Dell, CaliforniaSat, Sep 18, 3:57 PM PDT · 18278 days ago · 24 km deep · 58 km away
43. 1.91 km NW of Humboldt Hill, CaliforniaSat, Sep 18, 11:53 PM PDT · 18278 days ago · 9 km deep · 34 km away
44. 1.927 km W of Indianola, CaliforniaSun, Sep 19, 6:22 AM PDT · 18277 days ago · 21 km deep · 28 km away
45. 2.478 km WSW of Ferndale, CaliforniaSun, Sep 19, 11:09 AM PDT · 18277 days ago · 4 km deep · 84 km away
46. 1.51 km NW of Humboldt Hill, CaliforniaSun, Sep 19, 2:45 PM PDT · 18277 days ago · 9 km deep · 34 km away
47. 3.625 km W of Ferndale, CASun, Sep 19, 8:33 PM PDT · 18277 days ago · 22 km deep · 46 km away
48. 3.00 km NW of Humboldt Hill, CaliforniaMon, Sep 20, 2:09 PM PDT · 18276 days ago · 10 km deep · 35 km away
49. 3.00 km NNW of Humboldt Hill, CaliforniaMon, Sep 20, 3:23 PM PDT · 18276 days ago · 10 km deep · 35 km away
50. 1.91 km WNW of Humboldt Hill, CaliforniaMon, Sep 20, 3:43 PM PDT · 18276 days ago · 0 km deep · 35 km away
51. 1.78 km WSW of Rio Dell, CaliforniaWed, Sep 22, 6:56 PM PDT · 18274 days ago · 21 km deep · 58 km away
52. 3.239 km SW of Ferndale, CaliforniaThu, Sep 23, 12:28 AM PDT · 18274 days ago · 23 km deep · 72 km away
53. 1.727 km SW of Ferndale, CaliforniaThu, Sep 23, 1:18 AM PDT · 18274 days ago · 21 km deep · 63 km away
54. 2.137 km SSW of Ferndale, CaliforniaThu, Sep 23, 3:41 PM PDT · 18273 days ago · 28 km deep · 75 km away
55. 1.58 km SSW of Ferndale, CaliforniaFri, Sep 24, 9:49 AM PDT · 18272 days ago · 21 km deep · 54 km away
56. 3.033 km SW of Ferndale, CaliforniaFri, Sep 24, 7:26 PM PDT · 18272 days ago · 25 km deep · 67 km away
57. 2.827 km WSW of Ferndale, CaliforniaMon, Sep 27, 1:05 AM PDT · 18270 days ago · 24 km deep · 57 km away
58. 1.523 km SSW of Ferndale, CaliforniaMon, Sep 27, 8:35 AM PDT · 18269 days ago · 22 km deep · 63 km away
59. 1.730 km SW of Ferndale, CaliforniaTue, Sep 28, 11:08 AM PDT · 18268 days ago · 21 km deep · 66 km away
60. 1.821 km NNW of Shelter Cove, CaliforniaWed, Sep 29, 7:23 AM PDT · 18267 days ago · 4 km deep · 88 km away

The first 60 of 108.

Before

1. 1.812 km ENE of Hydesville, CaliforniaWed, Sep 1, 2:04 AM PDT · 18296 days ago · 21 km deep · 59 km away
2. 2.548 km W of Ferndale, CaliforniaMon, Aug 30, 7:31 AM PDT · 18297 days ago · 0 km deep · 47 km away
3. 3.528 km SW of Ferndale, CaliforniaSun, Aug 29, 3:04 PM PDT · 18298 days ago · 28 km deep · 63 km away
4. 2.828 km W of Indianola, CaliforniaFri, Aug 27, 6:42 PM PDT · 18300 days ago · 23 km deep · 32 km away
5. 3.156 km W of Indianola, CaliforniaFri, Aug 27, 5:33 PM PDT · 18300 days ago · 25 km deep · 42 km away
6. 1.610 km WNW of Ferndale, CaliforniaThu, Aug 26, 12:09 AM PDT · 18302 days ago · 4 km deep · 40 km away
7. 1.729 km SW of Scotia, CaliforniaWed, Aug 25, 9:33 AM PDT · 18302 days ago · 22 km deep · 74 km away
8. 1.62 km N of Miranda, CaliforniaSun, Aug 22, 9:07 PM PDT · 18305 days ago · 11 km deep · 96 km away
9. 2.342 km SW of Ferndale, CaliforniaSat, Aug 21, 3:30 PM PDT · 18306 days ago · 20 km deep · 75 km away
10. 2.880 km W of Ferndale, CaliforniaSat, Aug 21, 10:49 AM PDT · 18306 days ago · 5 km deep · 73 km away
11. 2.227 km SW of Ferndale, CaliforniaFri, Aug 20, 8:07 PM PDT · 18307 days ago · 25 km deep · 60 km away
12. 1.927 km WSW of Ferndale, CaliforniaWed, Aug 18, 1:21 AM PDT · 18310 days ago · 23 km deep · 58 km away
13. 1.727 km WSW of Ferndale, CaliforniaWed, Aug 18, 1:07 AM PDT · 18310 days ago · 23 km deep · 58 km away
14. 1.70 km SE of Miranda, CaliforniaTue, Aug 17, 2:54 AM PDT · 18311 days ago · 15 km deep · 99 km away
15. 2.110 km WSW of Burnt Ranch, CaliforniaTue, Aug 17, 2:21 AM PDT · 18311 days ago · 23 km deep · 79 km away
16. 3.440 km SW of Ferndale, CaliforniaMon, Aug 16, 3:31 PM PDT · 18311 days ago · 21 km deep · 74 km away
17. 2.310 km S of Ferndale, CaliforniaSun, Aug 15, 12:43 PM PDT · 18312 days ago · 6 km deep · 56 km away
18. 2.410 km S of Ferndale, CaliforniaSun, Aug 15, 10:49 AM PDT · 18312 days ago · 5 km deep · 56 km away
19. 2.636 km WSW of Ferndale, CaliforniaSat, Aug 14, 8:47 PM PDT · 18313 days ago · 24 km deep · 60 km away
20. 2.645 km W of Indianola, CaliforniaSat, Aug 14, 4:21 AM PDT · 18314 days ago · 21 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1031360. Read Sun, Oct 4, 2026, 11:32 PM UTC.