M2.5 earthquake 24 km SW of Ferndale, California

Magnitude

2.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Wed, Aug 24, 1983, 10:37 AM PDT

UTC

1983-08-24 17:37:22 UTC

Depth

20.7 km (12.9 mi), shallow

Epicenter

40.425° N, 124.475° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.7 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

297°, poorly surrounded by stations

Stations used

6

• Ferndale, CaliforniaPopulation 1,369. Forecast24 kmSW
• Fortuna, CaliforniaPopulation 12,000. Forecast33 kmSW
• Chico, CaliforniaPopulation 121,345. Forecast237 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast897 kmNW

After

1. 2.836 km SW of Ferndale, CaliforniaWed, Aug 24, 10:46 AM PDT · 15744 days ago · 20 km deep · 13 km away
2. 1.5near the coast of Northern CaliforniaWed, Aug 24, 10:56 AM PDT · 15744 days ago · 4 km deep · 21 km away
3. 2.333 km SSW of Ferndale, CaliforniaWed, Aug 24, 11:25 AM PDT · 15744 days ago · 21 km deep · 15 km away
4. 2.640 km SW of Ferndale, CaliforniaWed, Aug 24, 12:18 PM PDT · 15744 days ago · 21 km deep · 16 km away
5. 1.911 km WSW of Scotia, CaliforniaWed, Aug 24, 12:43 PM PDT · 15744 days ago · 27 km deep · 21 km away
6. 1.941 km SW of Ferndale, CaliforniaWed, Aug 24, 12:58 PM PDT · 15744 days ago · 25 km deep · 17 km away
7. 1.713 km SSW of Scotia, CaliforniaWed, Aug 24, 1:03 PM PDT · 15744 days ago · 33 km deep · 26 km away
8. 2.737 km SW of Ferndale, CaliforniaWed, Aug 24, 1:11 PM PDT · 15744 days ago · 22 km deep · 14 km away
9. 1.627 km WSW of Ferndale, CaliforniaWed, Aug 24, 1:22 PM PDT · 15744 days ago · 23 km deep · 6 km away
10. 3.026 km WSW of Ferndale, CaliforniaWed, Aug 24, 1:38 PM PDT · 15744 days ago · 21 km deep · 7 km away
11. 1.929 km SW of Scotia, CaliforniaWed, Aug 24, 1:45 PM PDT · 15744 days ago · 16 km deep · 20 km away
12. 1.9near the coast of Northern CaliforniaWed, Aug 24, 2:00 PM PDT · 15744 days ago · 5 km deep · 7 km away
13. 1.936 km SW of Ferndale, CaliforniaWed, Aug 24, 2:06 PM PDT · 15744 days ago · 4 km deep · 13 km away
14. 2.027 km SW of Ferndale, CaliforniaWed, Aug 24, 2:28 PM PDT · 15744 days ago · 25 km deep · 4 km away
15. 2.015 km SSW of Scotia, CaliforniaWed, Aug 24, 4:16 PM PDT · 15744 days ago · 34 km deep · 29 km away
16. 1.935 km SW of Scotia, CaliforniaWed, Aug 24, 4:35 PM PDT · 15744 days ago · 20 km deep · 17 km away
17. 2.233 km SSW of Ferndale, CaliforniaWed, Aug 24, 4:38 PM PDT · 15744 days ago · 18 km deep · 14 km away
18. 3.040 km SW of Ferndale, CaliforniaWed, Aug 24, 4:42 PM PDT · 15744 days ago · 21 km deep · 16 km away
19. 3.012 km SW of Scotia, CaliforniaWed, Aug 24, 5:26 PM PDT · 15744 days ago · 27 km deep · 22 km away
20. 2.752 km WSW of Ferndale, CaliforniaWed, Aug 24, 5:31 PM PDT · 15744 days ago · 20 km deep · 29 km away
21. 2.116 km WSW of Scotia, CaliforniaWed, Aug 24, 5:36 PM PDT · 15744 days ago · 29 km deep · 16 km away
22. 1.68 km SSE of Ferndale, CaliforniaWed, Aug 24, 5:39 PM PDT · 15744 days ago · 19 km deep · 24 km away
23. 2.816 km WSW of Scotia, CaliforniaWed, Aug 24, 5:43 PM PDT · 15744 days ago · 29 km deep · 17 km away
24. 2.017 km S of Ferndale, CaliforniaWed, Aug 24, 5:49 PM PDT · 15744 days ago · 28 km deep · 15 km away
25. 1.841 km SW of Ferndale, CaliforniaWed, Aug 24, 6:00 PM PDT · 15744 days ago · 27 km deep · 17 km away
26. 2.844 km SW of Ferndale, CaliforniaWed, Aug 24, 7:32 PM PDT · 15744 days ago · 26 km deep · 20 km away
27. 2.110 km S of Ferndale, CaliforniaWed, Aug 24, 7:34 PM PDT · 15744 days ago · -1 km deep · 21 km away
28. 1.834 km SW of Ferndale, CaliforniaWed, Aug 24, 7:38 PM PDT · 15744 days ago · 17 km deep · 11 km away
29. 1.911 km WSW of Scotia, CaliforniaWed, Aug 24, 7:48 PM PDT · 15744 days ago · 8 km deep · 21 km away
30. 1.834 km SW of Ferndale, CaliforniaWed, Aug 24, 9:16 PM PDT · 15744 days ago · 39 km deep · 10 km away
31. 1.731 km SSW of Ferndale, CaliforniaWed, Aug 24, 10:12 PM PDT · 15744 days ago · 28 km deep · 13 km away
32. 2.16 km S of Ferndale, CaliforniaWed, Aug 24, 11:18 PM PDT · 15744 days ago · 23 km deep · 21 km away
33. 1.513 km SW of Scotia, CaliforniaThu, Aug 25, 12:36 AM PDT · 15744 days ago · 28 km deep · 21 km away
34. 2.411 km SSE of Ferndale, CaliforniaThu, Aug 25, 1:15 AM PDT · 15744 days ago · 0 km deep · 21 km away
35. 2.749 km SW of Ferndale, CaliforniaThu, Aug 25, 2:42 AM PDT · 15744 days ago · 16 km deep · 26 km away
36. 2.940 km SW of Ferndale, CaliforniaThu, Aug 25, 4:16 AM PDT · 15743 days ago · 22 km deep · 16 km away
37. 1.56 km WSW of Scotia, CaliforniaThu, Aug 25, 4:25 AM PDT · 15743 days ago · 28 km deep · 26 km away
38. 1.735 km SSW of Ferndale, CaliforniaThu, Aug 25, 6:53 AM PDT · 15743 days ago · 22 km deep · 16 km away
39. 3.037 km SW of Ferndale, CaliforniaThu, Aug 25, 8:38 AM PDT · 15743 days ago · 22 km deep · 13 km away
40. 3.131 km SW of Ferndale, CaliforniaThu, Aug 25, 8:45 AM PDT · 15743 days ago · 22 km deep · 9 km away
41. 1.612 km N of Shelter Cove, CaliforniaThu, Aug 25, 11:19 AM PDT · 15743 days ago · 22 km deep · 47 km away
42. 2.031 km SW of Ferndale, CaliforniaThu, Aug 25, 12:50 PM PDT · 15743 days ago · 22 km deep · 7 km away
43. 1.653 km WSW of Ferndale, CaliforniaThu, Aug 25, 3:02 PM PDT · 15743 days ago · 5 km deep · 32 km away
44. 2.660 km WSW of Ferndale, CaliforniaThu, Aug 25, 3:47 PM PDT · 15743 days ago · 15 km deep · 38 km away
45. 2.231 km SW of Scotia, CaliforniaThu, Aug 25, 3:50 PM PDT · 15743 days ago · 21 km deep · 15 km away
46. 2.739 km SW of Ferndale, CaliforniaThu, Aug 25, 6:14 PM PDT · 15743 days ago · 21 km deep · 15 km away
47. 2.642 km SW of Ferndale, CaliforniaThu, Aug 25, 6:32 PM PDT · 15743 days ago · 18 km deep · 18 km away
48. 1.747 km SW of Ferndale, CaliforniaThu, Aug 25, 10:28 PM PDT · 15743 days ago · 7 km deep · 23 km away
49. 1.623 km SW of Ferndale, CaliforniaThu, Aug 25, 11:09 PM PDT · 15743 days ago · 24 km deep · 3 km away
50. 1.6near the coast of Northern CaliforniaFri, Aug 26, 12:10 AM PDT · 15743 days ago · 19 km deep · 19 km away
51. 3.641 km SW of Ferndale, CaliforniaFri, Aug 26, 1:13 AM PDT · 15743 days ago · 21 km deep · 17 km away
52. 3.944 km SW of Ferndale, CaliforniaFri, Aug 26, 1:49 AM PDT · 15743 days ago · 16 km deep · 20 km away
53. 1.731 km SW of Ferndale, CaliforniaFri, Aug 26, 3:04 AM PDT · 15743 days ago · 27 km deep · 7 km away
54. 1.644 km WNW of Shelter Cove, CaliforniaFri, Aug 26, 3:24 AM PDT · 15743 days ago · 23 km deep · 24 km away
55. 1.637 km SW of Ferndale, CaliforniaFri, Aug 26, 3:27 AM PDT · 15743 days ago · 21 km deep · 14 km away
56. 1.935 km SW of Ferndale, CaliforniaFri, Aug 26, 4:54 AM PDT · 15742 days ago · 20 km deep · 12 km away
57. 1.512 km N of Shelter Cove, CaliforniaFri, Aug 26, 8:04 AM PDT · 15742 days ago · 17 km deep · 48 km away
58. 1.99 km W of Mad River, CaliforniaFri, Aug 26, 11:10 AM PDT · 15742 days ago · -1 km deep · 72 km away
59. 2.643 km SW of Ferndale, CaliforniaFri, Aug 26, 12:03 PM PDT · 15742 days ago · 21 km deep · 19 km away
60. 2.736 km SW of Ferndale, CaliforniaFri, Aug 26, 2:23 PM PDT · 15742 days ago · 19 km deep · 13 km away

The first 60 of 189.

Before

1. 2.343 km SW of Ferndale, CaliforniaWed, Aug 24, 10:31 AM PDT · 15744 days ago · 21 km deep · 20 km away
2. 1.845 km SW of Ferndale, CaliforniaWed, Aug 24, 9:59 AM PDT · 15744 days ago · 20 km deep · 22 km away
3. 3.538 km SW of Ferndale, CaliforniaWed, Aug 24, 9:53 AM PDT · 15744 days ago · 21 km deep · 14 km away
4. 2.341 km SW of Ferndale, CaliforniaWed, Aug 24, 9:41 AM PDT · 15744 days ago · 25 km deep · 17 km away
5. 1.95 km NNW of Redway, CaliforniaWed, Aug 24, 9:40 AM PDT · 15744 days ago · 20 km deep · 61 km away
6. 2.336 km SW of Ferndale, CaliforniaWed, Aug 24, 9:27 AM PDT · 15744 days ago · 24 km deep · 13 km away
7. 1.628 km WSW of Ferndale, CaliforniaWed, Aug 24, 9:17 AM PDT · 15744 days ago · 23 km deep · 8 km away
8. 2.743 km SW of Ferndale, CaliforniaWed, Aug 24, 8:53 AM PDT · 15744 days ago · 20 km deep · 19 km away
9. 2.134 km SSW of Ferndale, CaliforniaWed, Aug 24, 8:51 AM PDT · 15744 days ago · 23 km deep · 15 km away
10. 2.530 km SW of Scotia, CaliforniaWed, Aug 24, 8:29 AM PDT · 15744 days ago · 17 km deep · 18 km away
11. 2.115 km SSW of Scotia, CaliforniaWed, Aug 24, 8:24 AM PDT · 15744 days ago · 30 km deep · 27 km away
12. 2.226 km W of Ferndale, CaliforniaWed, Aug 24, 8:20 AM PDT · 15744 days ago · 37 km deep · 23 km away
13. 2.445 km SW of Ferndale, CaliforniaWed, Aug 24, 8:10 AM PDT · 15744 days ago · 24 km deep · 21 km away
14. 3.228 km SW of Ferndale, CaliforniaWed, Aug 24, 8:04 AM PDT · 15744 days ago · 26 km deep · 5 km away
15. 2.539 km SW of Ferndale, CaliforniaWed, Aug 24, 8:03 AM PDT · 15744 days ago · 20 km deep · 15 km away
16. 1.941 km SW of Ferndale, CaliforniaWed, Aug 24, 7:58 AM PDT · 15744 days ago · 18 km deep · 17 km away
17. 2.732 km SW of Scotia, CaliforniaWed, Aug 24, 7:54 AM PDT · 15744 days ago · 25 km deep · 17 km away
18. 3.146 km WSW of Ferndale, CaliforniaWed, Aug 24, 7:52 AM PDT · 15744 days ago · 22 km deep · 23 km away
19. 2.032 km SW of Ferndale, CaliforniaWed, Aug 24, 7:47 AM PDT · 15744 days ago · 25 km deep · 8 km away
20. 2.463 km WSW of Ferndale, CaliforniaWed, Aug 24, 7:32 AM PDT · 15744 days ago · 31 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1101034. Read Thu, Oct 1, 2026, 10:17 PM UTC.