M1.6 earthquake 6 km WNW of Redcrest, California

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Oct 31, 1983, 7:58 PM PST

UTC

1983-11-01 03:58:34 UTC

Depth

24.1 km (15.0 mi), shallow

Epicenter

40.429° N, 124.022° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

65°

Stations used

16

• Scotia, CaliforniaPopulation 850. Forecast9 kmSE
• Fortuna, CaliforniaPopulation 12,000. Forecast22 kmSSE
• Chico, CaliforniaPopulation 121,345. Forecast202 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast874 kmNW

After

1. 2.9near the coast of Northern CaliforniaTue, Nov 1, 10:45 AM PST · 15675 days ago · 27 km deep · 25 km away
2. 1.98 km NE of Trinity Village, CaliforniaWed, Nov 2, 2:27 AM PST · 15675 days ago · 20 km deep · 73 km away
3. 1.93 km NNE of Redway, CaliforniaWed, Nov 2, 2:50 AM PST · 15675 days ago · 21 km deep · 37 km away
4. 2.846 km WSW of Ferndale, CaliforniaWed, Nov 2, 2:36 PM PST · 15674 days ago · 25 km deep · 61 km away
5. 3.275 km WSW of Ferndale, CaliforniaWed, Nov 2, 5:49 PM PST · 15674 days ago · 4 km deep · 94 km away
6. 1.712 km SSW of Scotia, CaliforniaFri, Nov 4, 8:56 AM PST · 15673 days ago · 30 km deep · 12 km away
7. 1.616 km SSW of Ferndale, CaliforniaFri, Nov 4, 11:06 AM PST · 15672 days ago · 25 km deep · 28 km away
8. 3.236 km SW of Ferndale, CaliforniaSat, Nov 5, 6:07 PM PST · 15671 days ago · 21 km deep · 44 km away
9. 1.810 km E of Laytonville, CaliforniaMon, Nov 7, 2:13 AM PST · 15670 days ago · 4 km deep · 98 km away
10. 1.632 km WNW of Ferndale, CaliforniaMon, Nov 7, 5:00 AM PST · 15670 days ago · 19 km deep · 57 km away
11. 1.731 km SSW of Ferndale, CaliforniaMon, Nov 7, 5:55 AM PST · 15670 days ago · 21 km deep · 36 km away
12. 4.11 km NE of Ferndale, CaliforniaTue, Nov 8, 4:32 AM PST · 15669 days ago · 4 km deep · 26 km away
13. 2.722 km SSE of Hayfork, CaliforniaTue, Nov 8, 2:36 PM PST · 15668 days ago · 28 km deep · 82 km away
14. 2.016 km WSW of Ferndale, CaliforniaFri, Nov 11, 7:01 AM PST · 15666 days ago · 30 km deep · 35 km away
15. 2.64 km ENE of Garberville, CaliforniaSat, Nov 12, 10:08 PM PST · 15664 days ago · 18 km deep · 42 km away
16. 1.512 km SW of Ferndale, CaliforniaSun, Nov 13, 10:31 PM PST · 15663 days ago · 27 km deep · 31 km away
17. 2.011 km E of Hydesville, CaliforniaMon, Nov 14, 9:50 PM PST · 15662 days ago · 22 km deep · 15 km away
18. 1.911 km E of Hydesville, CaliforniaTue, Nov 15, 12:10 PM PST · 15661 days ago · 23 km deep · 16 km away
19. 3.09 km NNW of Laytonville, CaliforniaTue, Nov 15, 4:40 PM PST · 15661 days ago · -1 km deep · 85 km away
20. 2.010 km NW of Laytonville, CaliforniaTue, Nov 15, 6:14 PM PST · 15661 days ago · 13 km deep · 85 km away
21. 2.27 km S of Blue Lake, CaliforniaTue, Nov 15, 9:35 PM PST · 15661 days ago · 22 km deep · 43 km away
22. 2.336 km SW of Ferndale, CaliforniaThu, Nov 17, 10:18 AM PST · 15660 days ago · 22 km deep · 43 km away
23. 3.737 km SSW of Ferndale, CaliforniaSat, Nov 19, 9:44 AM PST · 15658 days ago · 20 km deep · 44 km away
24. 3.347 km W of Ferndale, CaliforniaSun, Nov 20, 8:09 AM PST · 15657 days ago · 14 km deep · 70 km away
25. 1.638 km W of Ferndale, CaliforniaSun, Nov 20, 8:11 AM PST · 15657 days ago · 16 km deep · 61 km away
26. 1.821 km SW of Ferndale, CaliforniaSun, Nov 20, 5:14 PM PST · 15656 days ago · 22 km deep · 36 km away
27. 1.737 km SW of Ferndale, CaliforniaMon, Nov 21, 11:00 AM PST · 15655 days ago · 17 km deep · 46 km away
28. 3.071 km WSW of Ferndale, CaliforniaMon, Nov 21, 3:21 PM PST · 15655 days ago · 3 km deep · 90 km away
29. 2.760 km W of Indianola, CaliforniaMon, Nov 21, 4:56 PM PST · 15655 days ago · 16 km deep · 87 km away
30. 2.161 km SW of Ferndale, CaliforniaWed, Nov 23, 3:57 AM PST · 15654 days ago · 0 km deep · 74 km away
31. 3.336 km SSW of Ferndale, CaliforniaWed, Nov 23, 6:51 AM PST · 15654 days ago · 20 km deep · 42 km away
32. 2.74 km SSW of Laytonville, CaliforniaWed, Nov 23, 1:41 PM PST · 15653 days ago · 0 km deep · 98 km away
33. 2.16 km SSW of Laytonville, CaliforniaWed, Nov 23, 2:38 PM PST · 15653 days ago · 7 km deep · 98 km away
34. 2.311 km NE of Miranda, CaliforniaThu, Nov 24, 10:18 PM PST · 15652 days ago · 27 km deep · 28 km away
35. 1.715 km E of Burnt Ranch, CaliforniaFri, Nov 25, 7:47 PM PST · 15651 days ago · 31 km deep · 74 km away
36. 1.730 km SW of Ferndale, CaliforniaSat, Nov 26, 12:10 AM PST · 15651 days ago · 16 km deep · 40 km away
37. 1.736 km SSW of Ferndale, CaliforniaSat, Nov 26, 7:22 AM PST · 15651 days ago · 21 km deep · 42 km away
38. 3.133 km SW of Ferndale, CaliforniaSun, Nov 27, 5:28 AM PST · 15650 days ago · 27 km deep · 41 km away
39. 1.518 km WSW of Ferndale, CaliforniaMon, Nov 28, 7:14 PM PST · 15648 days ago · 22 km deep · 37 km away
40. 2.337 km SW of Ferndale, CaliforniaMon, Nov 28, 10:55 PM PST · 15648 days ago · 19 km deep · 46 km away
41. 2.317 km SE of Hayfork, CaliforniaTue, Nov 29, 5:17 AM PST · 15648 days ago · 40 km deep · 84 km away
42. 2.122 km WSW of Ferndale, CaliforniaTue, Nov 29, 6:52 AM PST · 15648 days ago · 22 km deep · 41 km away
43. 1.639 km WSW of Ferndale, CaliforniaTue, Nov 29, 8:33 AM PST · 15648 days ago · 23 km deep · 57 km away
44. 1.88 km WSW of Ferndale, CaliforniaTue, Nov 29, 5:37 PM PST · 15647 days ago · 21 km deep · 32 km away
45. 2.15 km SSW of Laytonville, CaliforniaTue, Nov 29, 6:35 PM PST · 15647 days ago · 4 km deep · 98 km away
46. 1.98 km SE of Blue Lake, CaliforniaWed, Nov 30, 2:07 PM PST · 15646 days ago · -1 km deep · 47 km away
47. 2.939 km SW of Ferndale, CaliforniaWed, Nov 30, 2:17 PM PST · 15646 days ago · 21 km deep · 48 km away
48. 3.027 km SW of Scotia, CaliforniaWed, Nov 30, 5:20 PM PST · 15646 days ago · 10 km deep · 29 km away
49. 2.013 km ENE of Fortuna, CaliforniaThu, Dec 1, 6:18 AM PST · 15646 days ago · 20 km deep · 25 km away
50. 1.834 km SW of Ferndale, CaliforniaThu, Dec 1, 9:41 AM PST · 15646 days ago · 28 km deep · 47 km away
51. 2.24 km SSW of Laytonville, CaliforniaFri, Dec 2, 12:38 AM PST · 15645 days ago · 5 km deep · 98 km away
52. 1.7near the coast of Northern CaliforniaFri, Dec 2, 12:53 AM PST · 15645 days ago · 3 km deep · 97 km away
53. 2.05 km SSW of Laytonville, CaliforniaFri, Dec 2, 10:17 AM PST · 15645 days ago · 3 km deep · 97 km away
54. 2.017 km N of Shelter Cove, CaliforniaSun, Dec 4, 11:22 PM PST · 15642 days ago · 19 km deep · 27 km away
55. 2.768 km W of Ferndale, CaliforniaTue, Dec 6, 8:51 PM PST · 15640 days ago · 5 km deep · 91 km away
56. 3.217 km ENE of Redcrest, CaliforniaSun, Dec 11, 10:14 AM PST · 15636 days ago · 23 km deep · 23 km away
57. 2.69 km N of Covelo, CaliforniaTue, Dec 13, 12:02 AM PST · 15634 days ago · -1 km deep · 91 km away
58. 1.95 km NNE of Burnt Ranch, CaliforniaWed, Dec 14, 5:07 PM PST · 15632 days ago · 17 km deep · 68 km away
59. 2.837 km SW of Ferndale, CaliforniaFri, Dec 16, 1:27 PM PST · 15630 days ago · 21 km deep · 45 km away
60. 1.910 km NNE of Laytonville, CaliforniaFri, Dec 16, 2:26 PM PST · 15630 days ago · 6 km deep · 87 km away

The first 60 of 82.

Before

1. 2.17 km N of Mad River, CaliforniaMon, Oct 31, 6:12 PM PST · 15676 days ago · 0 km deep · 45 km away
2. 1.67 km SSW of Ferndale, CaliforniaMon, Oct 31, 5:33 PM PST · 15676 days ago · 28 km deep · 25 km away
3. 2.621 km ENE of Burnt Ranch, CaliforniaSun, Oct 30, 10:08 AM PST · 15678 days ago · 4 km deep · 84 km away
4. 2.037 km SW of Ferndale, CaliforniaSat, Oct 29, 10:45 PM PDT · 15678 days ago · 24 km deep · 46 km away
5. 2.538 km WSW of Ferndale, CaliforniaSat, Oct 29, 6:48 PM PDT · 15678 days ago · 25 km deep · 53 km away
6. 1.99 km SSW of Ferndale, CaliforniaThu, Oct 27, 11:00 AM PDT · 15681 days ago · 3 km deep · 24 km away
7. 1.59 km S of Ferndale, CaliforniaThu, Oct 27, 10:29 AM PDT · 15681 days ago · 2 km deep · 23 km away
8. 2.212 km W of Ferndale, CaliforniaThu, Oct 27, 5:15 AM PDT · 15681 days ago · 22 km deep · 37 km away
9. 1.668 km W of Ferndale, CaliforniaTue, Oct 25, 6:44 AM PDT · 15683 days ago · 34 km deep · 90 km away
10. 1.814 km ESE of Burnt Ranch, CaliforniaMon, Oct 24, 10:32 PM PDT · 15683 days ago · 16 km deep · 71 km away
11. 1.814 km NE of Redcrest, CaliforniaMon, Oct 24, 10:03 PM PDT · 15683 days ago · 73 km deep · 18 km away
12. 1.58 km SSW of Ferndale, CaliforniaSun, Oct 23, 12:08 PM PDT · 15684 days ago · 20 km deep · 25 km away
13. 1.73 km SW of Scotia, CaliforniaSat, Oct 22, 2:56 AM PDT · 15686 days ago · 9 km deep · 10 km away
14. 1.829 km SW of Ferndale, CaliforniaThu, Oct 20, 5:45 PM PDT · 15687 days ago · 17 km deep · 41 km away
15. 1.958 km WSW of Ferndale, CaliforniaThu, Oct 20, 12:47 PM PDT · 15687 days ago · 20 km deep · 74 km away
16. 2.1off the coast of Northern CaliforniaThu, Oct 20, 5:31 AM PDT · 15688 days ago · 4 km deep · 100 km away
17. 1.526 km WSW of Ferndale, CaliforniaThu, Oct 20, 2:25 AM PDT · 15688 days ago · 17 km deep · 43 km away
18. 2.635 km SW of Ferndale, CaliforniaWed, Oct 19, 3:10 PM PDT · 15688 days ago · 17 km deep · 42 km away
19. 1.532 km SW of Scotia, CaliforniaTue, Oct 18, 7:37 PM PDT · 15689 days ago · 23 km deep · 34 km away
20. 2.072 km SW of Ferndale, CaliforniaTue, Oct 18, 4:46 PM PDT · 15689 days ago · 10 km deep · 84 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1106019. Read Fri, Oct 2, 2026, 5:58 AM UTC.