M1.6 earthquake 56 km WNW of Samoa, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Sep 9, 1976, 7:29 PM PDT

UTC

1976-09-10 02:29:01 UTC

Depth

4.3 km (2.7 mi), shallow

Epicenter

40.943° N, 124.842° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 7.8 km horizontally, 8.9 km in depth

Depth from

From location

Station coverage gap

306°, poorly surrounded by stations

Stations used

4

• Manila, CaliforniaPopulation 784. Forecast58 kmW
• Eureka, CaliforniaPopulation 27,017. Forecast59 kmWNW
• Chico, CaliforniaPopulation 121,345. Forecast288 kmWNW

After

1. 1.613 km WSW of Scotia, CaliforniaThu, Sep 9, 10:21 PM PDT · 18287 days ago · 25 km deep · 75 km away
2. 2.36 km SSE of Pine Hills, CaliforniaFri, Sep 10, 12:19 PM PDT · 18286 days ago · 19 km deep · 67 km away
3. 2.133 km SSW of Ferndale, CaliforniaSat, Sep 11, 9:39 AM PDT · 18285 days ago · 23 km deep · 75 km away
4. 2.654 km W of Ferndale, CaliforniaSat, Sep 11, 10:02 AM PDT · 18285 days ago · 6 km deep · 44 km away
5. 3.548 km WSW of Ferndale, CaliforniaSat, Sep 11, 10:11 AM PDT · 18285 days ago · 25 km deep · 52 km away
6. 1.612 km ENE of Hydesville, CaliforniaSun, Sep 12, 3:09 AM PDT · 18285 days ago · 20 km deep · 83 km away
7. 1.60 km W of Fortuna, CaliforniaSun, Sep 12, 5:07 AM PDT · 18285 days ago · 19 km deep · 69 km away
8. 2.846 km WSW of Ferndale, CaliforniaMon, Sep 13, 2:15 AM PDT · 18284 days ago · 23 km deep · 56 km away
9. 1.545 km WSW of Ferndale, CaliforniaMon, Sep 13, 2:25 AM PDT · 18284 days ago · 19 km deep · 52 km away
10. 1.828 km WSW of Ferndale, CaliforniaMon, Sep 13, 6:55 AM PDT · 18284 days ago · 23 km deep · 58 km away
11. 4.844 km SSW of Ferndale, CaliforniaMon, Sep 13, 9:08 AM PDT · 18283 days ago · 33 km deep · 84 km away
12. 4.035 km SW of Ferndale, CaliforniaMon, Sep 13, 9:09 AM PDT · 18283 days ago · 27 km deep · 76 km away
13. 2.528 km SSW of Ferndale, CaliforniaMon, Sep 13, 9:27 AM PDT · 18283 days ago · 23 km deep · 75 km away
14. 2.919 km SSW of Ferndale, CaliforniaMon, Sep 13, 9:55 AM PDT · 18283 days ago · 23 km deep · 71 km away
15. 1.629 km SW of Ferndale, CaliforniaMon, Sep 13, 9:59 AM PDT · 18283 days ago · 21 km deep · 69 km away
16. 1.525 km SSW of Ferndale, CaliforniaMon, Sep 13, 10:35 AM PDT · 18283 days ago · 23 km deep · 74 km away
17. 3.236 km SW of Ferndale, CaliforniaMon, Sep 13, 12:32 PM PDT · 18283 days ago · 28 km deep · 76 km away
18. 1.611 km S of Ferndale, CaliforniaMon, Sep 13, 1:37 PM PDT · 18283 days ago · 4 km deep · 72 km away
19. 1.735 km WSW of Ferndale, CaliforniaMon, Sep 13, 1:58 PM PDT · 18283 days ago · 28 km deep · 57 km away
20. 2.034 km SW of Ferndale, CaliforniaTue, Sep 14, 5:30 AM PDT · 18283 days ago · 21 km deep · 74 km away
21. 1.933 km SSW of Ferndale, CaliforniaTue, Sep 14, 6:18 AM PDT · 18283 days ago · 23 km deep · 76 km away
22. 1.667 km WNW of Indianola, CaliforniaTue, Sep 14, 8:59 AM PDT · 18282 days ago · 5 km deep · 19 km away
23. 2.858 km W of Ferndale, CaliforniaWed, Sep 15, 2:42 AM PDT · 18282 days ago · 44 km deep · 39 km away
24. 2.932 km SSW of Ferndale, CaliforniaWed, Sep 15, 8:36 AM PDT · 18281 days ago · 20 km deep · 77 km away
25. 3.432 km SW of Ferndale, CaliforniaWed, Sep 15, 4:52 PM PDT · 18281 days ago · 25 km deep · 74 km away
26. 1.724 km WSW of Scotia, CaliforniaWed, Sep 15, 5:17 PM PDT · 18281 days ago · 16 km deep · 77 km away
27. 1.732 km SW of Ferndale, CaliforniaThu, Sep 16, 2:43 AM PDT · 18281 days ago · 21 km deep · 71 km away
28. 2.476 km W of Ferndale, CaliforniaThu, Sep 16, 11:48 PM PDT · 18280 days ago · 3 km deep · 58 km away
29. 2.89 km WSW of Rio Dell, CaliforniaSat, Sep 18, 3:57 PM PDT · 18278 days ago · 24 km deep · 74 km away
30. 1.91 km NW of Humboldt Hill, CaliforniaSat, Sep 18, 11:53 PM PDT · 18278 days ago · 9 km deep · 59 km away
31. 1.927 km W of Indianola, CaliforniaSun, Sep 19, 6:22 AM PDT · 18278 days ago · 21 km deep · 35 km away
32. 2.478 km WSW of Ferndale, CaliforniaSun, Sep 19, 11:09 AM PDT · 18277 days ago · 4 km deep · 65 km away
33. 1.51 km NW of Humboldt Hill, CaliforniaSun, Sep 19, 2:45 PM PDT · 18277 days ago · 9 km deep · 58 km away
34. 3.625 km W of Ferndale, CASun, Sep 19, 8:33 PM PDT · 18277 days ago · 22 km deep · 49 km away
35. 3.00 km NW of Humboldt Hill, CaliforniaMon, Sep 20, 2:09 PM PDT · 18276 days ago · 10 km deep · 59 km away
36. 3.00 km NNW of Humboldt Hill, CaliforniaMon, Sep 20, 3:23 PM PDT · 18276 days ago · 10 km deep · 59 km away
37. 1.91 km WNW of Humboldt Hill, CaliforniaMon, Sep 20, 3:43 PM PDT · 18276 days ago · 0 km deep · 59 km away
38. 1.78 km WSW of Rio Dell, CaliforniaWed, Sep 22, 6:56 PM PDT · 18274 days ago · 21 km deep · 74 km away
39. 3.239 km SW of Ferndale, CaliforniaThu, Sep 23, 12:28 AM PDT · 18274 days ago · 23 km deep · 72 km away
40. 1.727 km SW of Ferndale, CaliforniaThu, Sep 23, 1:18 AM PDT · 18274 days ago · 21 km deep · 68 km away
41. 2.137 km SSW of Ferndale, CaliforniaThu, Sep 23, 3:41 PM PDT · 18273 days ago · 28 km deep · 78 km away
42. 1.58 km SSW of Ferndale, CaliforniaFri, Sep 24, 9:49 AM PDT · 18272 days ago · 21 km deep · 68 km away
43. 3.033 km SW of Ferndale, CaliforniaFri, Sep 24, 7:26 PM PDT · 18272 days ago · 25 km deep · 70 km away
44. 2.827 km WSW of Ferndale, CaliforniaMon, Sep 27, 1:05 AM PDT · 18270 days ago · 24 km deep · 61 km away
45. 1.523 km SSW of Ferndale, CaliforniaMon, Sep 27, 8:35 AM PDT · 18269 days ago · 22 km deep · 71 km away
46. 1.730 km SW of Ferndale, CaliforniaTue, Sep 28, 11:08 AM PDT · 18268 days ago · 21 km deep · 70 km away
47. 1.821 km NNW of Shelter Cove, CaliforniaWed, Sep 29, 7:23 AM PDT · 18268 days ago · 4 km deep · 100 km away
48. 2.533 km SW of Ferndale, CaliforniaThu, Sep 30, 4:26 PM PDT · 18266 days ago · 25 km deep · 73 km away
49. 1.731 km SW of Ferndale, CaliforniaThu, Sep 30, 11:49 PM PDT · 18266 days ago · 19 km deep · 72 km away
50. 1.622 km SW of Scotia, CaliforniaFri, Oct 1, 7:08 AM PDT · 18266 days ago · 11 km deep · 83 km away
51. 1.922 km SSW of Ferndale, CaliforniaFri, Oct 1, 1:22 PM PDT · 18265 days ago · 19 km deep · 75 km away
52. 2.010 km ENE of Hydesville, CaliforniaFri, Oct 1, 1:39 PM PDT · 18265 days ago · 22 km deep · 82 km away
53. 2.253 km W of Ferndale, CaliforniaSun, Oct 3, 2:02 PM PDT · 18263 days ago · 4 km deep · 43 km away
54. 1.615 km SW of Ferndale, CaliforniaSun, Oct 3, 10:50 PM PDT · 18263 days ago · 22 km deep · 67 km away
55. 2.452 km W of Ferndale, CaliforniaTue, Oct 5, 7:28 AM PDT · 18262 days ago · 5 km deep · 41 km away
56. 2.634 km WNW of Samoa, CaliforniaWed, Oct 6, 9:36 AM PDT · 18260 days ago · 23 km deep · 23 km away
57. 1.611 km SSW of Scotia, CaliforniaWed, Oct 6, 4:58 PM PDT · 18260 days ago · 25 km deep · 84 km away
58. 2.639 km W of Ferndale, CaliforniaSun, Oct 10, 6:06 PM PDT · 18256 days ago · 20 km deep · 42 km away
59. 2.532 km SSW of Ferndale, CaliforniaMon, Oct 11, 2:11 AM PDT · 18256 days ago · 16 km deep · 77 km away
60. 1.634 km SSW of Ferndale, CaliforniaMon, Oct 11, 9:08 AM PDT · 18255 days ago · 13 km deep · 79 km away

The first 60 of 95.

Before

1. 2.513 km WSW of Ferndale, CaliforniaThu, Sep 9, 3:59 AM PDT · 18288 days ago · 22 km deep · 58 km away
2. 1.520 km SW of Ferndale, CaliforniaThu, Sep 9, 12:03 AM PDT · 18288 days ago · 22 km deep · 66 km away
3. 3.214 km ESE of Big Lagoon, CaliforniaWed, Sep 8, 1:22 AM PDT · 18289 days ago · 22 km deep · 77 km away
4. 2.247 km W of Ferndale, CaliforniaTue, Sep 7, 9:13 PM PDT · 18289 days ago · 18 km deep · 39 km away
5. 1.80 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 3:58 PM PDT · 18289 days ago · 10 km deep · 59 km away
6. 1.71 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 3:27 PM PDT · 18289 days ago · 9 km deep · 59 km away
7. 1.71 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 8:18 AM PDT · 18289 days ago · 10 km deep · 59 km away
8. 1.91 km NNW of Humboldt Hill, CaliforniaTue, Sep 7, 3:19 AM PDT · 18290 days ago · 10 km deep · 59 km away
9. 1.61 km NE of Fields Landing, CaliforniaMon, Sep 6, 4:34 PM PDT · 18290 days ago · 12 km deep · 59 km away
10. 1.71 km NW of Humboldt Hill, CaliforniaMon, Sep 6, 4:13 PM PDT · 18290 days ago · 10 km deep · 59 km away
11. 2.478 km W of Ferndale, CaliforniaMon, Sep 6, 10:23 AM PDT · 18290 days ago · 5 km deep · 44 km away
12. 2.029 km WNW of Samoa, CaliforniaSat, Sep 4, 10:33 PM PDT · 18292 days ago · 26 km deep · 30 km away
13. 1.812 km ENE of Hydesville, CaliforniaWed, Sep 1, 2:04 AM PDT · 18296 days ago · 21 km deep · 83 km away
14. 2.548 km W of Ferndale, CaliforniaMon, Aug 30, 7:31 AM PDT · 18298 days ago · 0 km deep · 35 km away
15. 3.528 km SW of Ferndale, CaliforniaSun, Aug 29, 3:04 PM PDT · 18298 days ago · 28 km deep · 67 km away
16. 2.828 km W of Indianola, CaliforniaFri, Aug 27, 6:42 PM PDT · 18300 days ago · 23 km deep · 37 km away
17. 3.156 km W of Indianola, CaliforniaFri, Aug 27, 5:33 PM PDT · 18300 days ago · 25 km deep · 21 km away
18. 1.610 km WNW of Ferndale, CaliforniaThu, Aug 26, 12:09 AM PDT · 18302 days ago · 4 km deep · 54 km away
19. 1.729 km SW of Scotia, CaliforniaWed, Aug 25, 9:33 AM PDT · 18302 days ago · 22 km deep · 82 km away
20. 2.342 km SW of Ferndale, CaliforniaSat, Aug 21, 3:30 PM PDT · 18306 days ago · 20 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1031448. Read Mon, Oct 5, 2026, 2:30 AM UTC.