M2.3 earthquake 9 km SW of Ferndale, California

Magnitude

2.3 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Thu, Sep 8, 1983, 10:03 AM PDT

UTC

1983-09-08 17:03:49 UTC

Depth

13.8 km (8.6 mi), shallow

Epicenter

40.505° N, 124.331° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 6.8 km horizontally, 4.4 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

210°, poorly surrounded by stations

Stations used

5

• Ferndale, CaliforniaPopulation 1,369. Forecast10 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast18 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast229 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast897 kmNW

After

1. 2.934 km SW of Scotia, CaliforniaFri, Sep 9, 11:40 AM PDT · 15729 days ago · 22 km deep · 25 km away
2. 2.016 km SSW of Ferndale, CaliforniaFri, Sep 9, 3:10 PM PDT · 15729 days ago · 18 km deep · 7 km away
3. 2.17 km WNW of Hyampom, CaliforniaSat, Sep 10, 2:52 AM PDT · 15729 days ago · 26 km deep · 69 km away
4. 1.936 km SSW of Ferndale, CaliforniaSat, Sep 10, 9:39 AM PDT · 15729 days ago · 22 km deep · 26 km away
5. 3.14 km NE of Miranda, CaliforniaSat, Sep 10, 8:57 PM PDT · 15728 days ago · 27 km deep · 53 km away
6. 2.531 km WSW of Ferndale, CaliforniaSat, Sep 10, 11:23 PM PDT · 15728 days ago · 33 km deep · 23 km away
7. 3.334 km SSW of Ferndale, CaliforniaSun, Sep 11, 7:33 AM PDT · 15728 days ago · 23 km deep · 25 km away
8. 1.620 km SW of Ferndale, CaliforniaSun, Sep 11, 10:30 AM PDT · 15728 days ago · 25 km deep · 11 km away
9. 1.75 km NNE of Mad River, CaliforniaSun, Sep 11, 11:03 AM PDT · 15728 days ago · 4 km deep · 71 km away
10. 2.618 km SSW of Ferndale, CaliforniaSun, Sep 11, 1:07 PM PDT · 15727 days ago · 21 km deep · 9 km away
11. 3.466 km W of Ferndale, CaliforniaMon, Sep 12, 7:28 AM PDT · 15727 days ago · 27 km deep · 61 km away
12. 2.215 km NE of Redcrest, CaliforniaMon, Sep 12, 7:18 PM PDT · 15726 days ago · 24 km deep · 41 km away
13. 1.617 km WNW of Hyampom, CaliforniaMon, Sep 12, 7:33 PM PDT · 15726 days ago · 21 km deep · 63 km away
14. 1.726 km SW of Scotia, CaliforniaTue, Sep 13, 2:00 AM PDT · 15726 days ago · 6 km deep · 24 km away
15. 2.211 km SSW of Ferndale, CaliforniaTue, Sep 13, 7:53 PM PDT · 15725 days ago · 26 km deep · 4 km away
16. 1.942 km SW of Ferndale, CaliforniaWed, Sep 14, 2:22 PM PDT · 15724 days ago · 11 km deep · 33 km away
17. 2.618 km NE of Willow Creek, CaliforniaWed, Sep 14, 2:34 PM PDT · 15724 days ago · 34 km deep · 95 km away
18. 3.298 km W of Ferndale, CaliforniaWed, Sep 14, 10:40 PM PDT · 15724 days ago · 19 km deep · 92 km away
19. 1.722 km WSW of Weott, CaliforniaThu, Sep 15, 1:29 AM PDT · 15724 days ago · 8 km deep · 32 km away
20. 2.14 km E of Indianola, CaliforniaThu, Sep 15, 8:38 PM PDT · 15723 days ago · 22 km deep · 23 km away
21. 2.51 km S of Mad River, CaliforniaThu, Sep 15, 10:44 PM PDT · 15723 days ago · 0 km deep · 70 km away
22. 2.335 km SW of Ferndale, CaliforniaFri, Sep 16, 9:32 AM PDT · 15723 days ago · 23 km deep · 26 km away
23. 2.644 km SW of Ferndale, CaliforniaFri, Sep 16, 6:21 PM PDT · 15722 days ago · 23 km deep · 35 km away
24. 2.659 km WSW of Ferndale, CaliforniaFri, Sep 16, 7:51 PM PDT · 15722 days ago · 7 km deep · 51 km away
25. 2.821 km SW of Scotia, CaliforniaSat, Sep 17, 2:18 AM PDT · 15722 days ago · 33 km deep · 17 km away
26. 2.539 km SW of Ferndale, CaliforniaTue, Sep 20, 3:53 PM PDT · 15718 days ago · 22 km deep · 30 km away
27. 2.737 km SW of Ferndale, CaliforniaWed, Sep 21, 3:15 AM PDT · 15718 days ago · 19 km deep · 28 km away
28. 2.542 km SW of Ferndale, CaliforniaWed, Sep 21, 10:28 PM PDT · 15717 days ago · 19 km deep · 34 km away
29. 2.922 km SW of Ferndale, CaliforniaThu, Sep 22, 2:01 AM PDT · 15717 days ago · 21 km deep · 13 km away
30. 2.487 km W of Ferndale, CaliforniaThu, Sep 22, 7:34 PM PDT · 15716 days ago · 1 km deep · 81 km away
31. 2.08 km NE of Phillipsville, CaliforniaFri, Sep 23, 3:34 PM PDT · 15715 days ago · 25 km deep · 57 km away
32. 1.836 km SW of Ferndale, CaliforniaFri, Sep 23, 4:36 PM PDT · 15715 days ago · 26 km deep · 27 km away
33. 2.03 km SW of Loleta, CaliforniaSat, Sep 24, 6:30 PM PDT · 15714 days ago · 18 km deep · 15 km away
34. 1.95 km WSW of Indianola, CaliforniaSun, Sep 25, 2:51 AM PDT · 15714 days ago · 5 km deep · 19 km away
35. 2.833 km WSW of Ferndale, CaliforniaSun, Sep 25, 6:02 PM PDT · 15713 days ago · 29 km deep · 26 km away
36. 1.817 km ENE of Hydesville, CaliforniaSun, Sep 25, 6:11 PM PDT · 15713 days ago · 23 km deep · 38 km away
37. 2.847 km WSW of Ferndale, CaliforniaSun, Sep 25, 6:57 PM PDT · 15713 days ago · 21 km deep · 39 km away
38. 2.050 km WSW of Ferndale, CaliforniaSun, Sep 25, 10:23 PM PDT · 15713 days ago · 18 km deep · 42 km away
39. 2.65 km ENE of Rio Dell, CaliforniaMon, Sep 26, 12:07 AM PDT · 15713 days ago · 20 km deep · 25 km away
40. 2.36 km SE of Hydesville, CaliforniaMon, Sep 26, 12:17 AM PDT · 15713 days ago · 19 km deep · 25 km away
41. 2.06 km ENE of Rio Dell, CaliforniaMon, Sep 26, 2:04 AM PDT · 15713 days ago · 20 km deep · 25 km away
42. 1.96 km ENE of Rio Dell, CaliforniaMon, Sep 26, 2:30 AM PDT · 15713 days ago · 19 km deep · 25 km away
43. 2.85 km ENE of Rio Dell, CaliforniaMon, Sep 26, 4:29 AM PDT · 15713 days ago · 20 km deep · 25 km away
44. 2.06 km ESE of Hydesville, CaliforniaMon, Sep 26, 4:37 AM PDT · 15713 days ago · 19 km deep · 25 km away
45. 1.85 km W of Scotia, CaliforniaMon, Sep 26, 6:59 AM PDT · 15713 days ago · 8 km deep · 15 km away
46. 1.925 km W of Ferndale, CaliforniaMon, Sep 26, 9:09 AM PDT · 15713 days ago · 23 km deep · 20 km away
47. 1.641 km SW of Ferndale, CaliforniaMon, Sep 26, 9:28 PM PDT · 15712 days ago · 25 km deep · 32 km away
48. 3.539 km SW of Ferndale, CaliforniaMon, Sep 26, 9:28 PM PDT · 15712 days ago · 26 km deep · 30 km away
49. 3.641 km SW of Ferndale, CaliforniaMon, Sep 26, 9:30 PM PDT · 15712 days ago · 22 km deep · 31 km away
50. 1.613 km ENE of Redcrest, CaliforniaTue, Sep 27, 2:40 AM PDT · 15712 days ago · 21 km deep · 45 km away
51. 2.08 km NE of Trinity Village, CaliforniaTue, Sep 27, 2:52 PM PDT · 15711 days ago · 19 km deep · 88 km away
52. 1.9near the coast of Northern CaliforniaTue, Sep 27, 4:34 PM PDT · 15711 days ago · 13 km deep · 37 km away
53. 1.639 km SW of Ferndale, CaliforniaTue, Sep 27, 6:35 PM PDT · 15711 days ago · 12 km deep · 29 km away
54. 2.51 km SW of Mad River, CaliforniaWed, Sep 28, 2:06 PM PDT · 15710 days ago · -1 km deep · 69 km away
55. 2.617 km SW of Scotia, CaliforniaWed, Sep 28, 5:26 PM PDT · 15710 days ago · 29 km deep · 14 km away
56. 3.091 km WSW of Ferndale, CaliforniaWed, Sep 28, 11:30 PM PDT · 15710 days ago · 22 km deep · 85 km away
57. 3.552 km W of Indianola, CaliforniaThu, Sep 29, 4:58 AM PDT · 15710 days ago · 15 km deep · 51 km away
58. 2.030 km WSW of Ferndale, CaliforniaFri, Sep 30, 1:04 AM PDT · 15709 days ago · 22 km deep · 23 km away
59. 2.521 km WSW of Weott, CaliforniaFri, Sep 30, 4:12 PM PDT · 15708 days ago · 8 km deep · 32 km away
60. 2.61 km SW of Fortuna, CaliforniaSat, Oct 1, 9:11 AM PDT · 15708 days ago · 6 km deep · 16 km away

The first 60 of 114.

Before

1. 2.733 km SW of Scotia, CaliforniaTue, Sep 6, 12:29 AM PDT · 15733 days ago · 23 km deep · 25 km away
2. 2.364 km WSW of Ferndale, CaliforniaMon, Sep 5, 2:24 PM PDT · 15733 days ago · 59 km deep · 57 km away
3. 2.145 km SW of Ferndale, CaliforniaSun, Sep 4, 3:56 AM PDT · 15735 days ago · 24 km deep · 36 km away
4. 1.56 km S of Ferndale, CaliforniaSun, Sep 4, 1:07 AM PDT · 15735 days ago · 9 km deep · 5 km away
5. 2.339 km SW of Ferndale, CaliforniaSun, Sep 4, 12:26 AM PDT · 15735 days ago · 21 km deep · 30 km away
6. 1.84 km WSW of Scotia, CaliforniaSat, Sep 3, 6:54 AM PDT · 15736 days ago · 9 km deep · 16 km away
7. 1.816 km SW of Mad River, CaliforniaSat, Sep 3, 12:24 AM PDT · 15736 days ago · 21 km deep · 59 km away
8. 1.932 km SW of Scotia, CaliforniaFri, Sep 2, 8:34 PM PDT · 15736 days ago · 22 km deep · 24 km away
9. 2.873 km WSW of Ferndale, CaliforniaFri, Sep 2, 12:20 PM PDT · 15736 days ago · 42 km deep · 66 km away
10. 2.365 km WSW of Ferndale, CaliforniaThu, Sep 1, 10:05 PM PDT · 15737 days ago · 37 km deep · 57 km away
11. 1.732 km SW of Ferndale, CaliforniaThu, Sep 1, 6:58 PM PDT · 15737 days ago · 21 km deep · 23 km away
12. 2.742 km SW of Ferndale, CaliforniaWed, Aug 31, 10:01 PM PDT · 15738 days ago · 23 km deep · 33 km away
13. 1.833 km SW of Ferndale, CaliforniaWed, Aug 31, 7:40 PM PDT · 15738 days ago · 17 km deep · 24 km away
14. 2.141 km SW of Ferndale, CaliforniaWed, Aug 31, 1:47 PM PDT · 15738 days ago · 10 km deep · 32 km away
15. 1.543 km SW of Ferndale, CaliforniaWed, Aug 31, 11:43 AM PDT · 15738 days ago · 26 km deep · 34 km away
16. 2.435 km SSW of Ferndale, CaliforniaWed, Aug 31, 8:38 AM PDT · 15739 days ago · 18 km deep · 26 km away
17. 3.044 km SW of Ferndale, CaliforniaWed, Aug 31, 3:34 AM PDT · 15739 days ago · 21 km deep · 35 km away
18. 2.736 km SSW of Ferndale, CaliforniaWed, Aug 31, 1:26 AM PDT · 15739 days ago · 20 km deep · 27 km away
19. 2.033 km SW of Scotia, CaliforniaTue, Aug 30, 3:37 PM PDT · 15739 days ago · 17 km deep · 25 km away
20. 3.643 km SW of Ferndale, CaliforniaTue, Aug 30, 3:13 AM PDT · 15740 days ago · 20 km deep · 35 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1102178. Read Sat, Oct 3, 2026, 6:06 AM UTC.