M1.5 earthquake 18 km WSW of Weott, California

Magnitude

1.5 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Oct 17, 1983, 7:07 AM PDT

UTC

1983-10-17 14:07:15 UTC

Depth

21.0 km (13.0 mi), shallow

Epicenter

40.249° N, 124.121° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.05

Depth from

From location

Station coverage gap

169°

Stations used

12

• Shelter Cove, CaliforniaPopulation 693. Forecast25 kmN
• Fortuna, CaliforniaPopulation 12,000. Forecast39 kmS
• Chico, CaliforniaPopulation 121,345. Forecast203 kmWNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast863 kmNW

After

1. 1.730 km SW of Scotia, CaliforniaMon, Oct 17, 3:55 PM PDT · 15692 days ago · 22 km deep · 19 km away
2. 1.711 km SSW of Willow Creek, CaliforniaTue, Oct 18, 2:51 PM PDT · 15691 days ago · 28 km deep · 76 km away
3. 1.628 km SW of Scotia, CaliforniaTue, Oct 18, 3:53 PM PDT · 15691 days ago · 7 km deep · 18 km away
4. 2.072 km SW of Ferndale, CaliforniaTue, Oct 18, 4:46 PM PDT · 15691 days ago · 10 km deep · 73 km away
5. 1.532 km SW of Scotia, CaliforniaTue, Oct 18, 7:37 PM PDT · 15691 days ago · 23 km deep · 24 km away
6. 2.635 km SW of Ferndale, CaliforniaWed, Oct 19, 3:10 PM PDT · 15690 days ago · 17 km deep · 33 km away
7. 1.526 km WSW of Ferndale, CaliforniaThu, Oct 20, 2:25 AM PDT · 15689 days ago · 17 km deep · 41 km away
8. 2.1off the coast of Northern CaliforniaThu, Oct 20, 5:31 AM PDT · 15689 days ago · 4 km deep · 95 km away
9. 1.958 km WSW of Ferndale, CaliforniaThu, Oct 20, 12:47 PM PDT · 15689 days ago · 20 km deep · 67 km away
10. 1.829 km SW of Ferndale, CaliforniaThu, Oct 20, 5:45 PM PDT · 15689 days ago · 17 km deep · 35 km away
11. 1.73 km SW of Scotia, CaliforniaSat, Oct 22, 2:56 AM PDT · 15687 days ago · 9 km deep · 24 km away
12. 3.315 km SE of Laytonville, CaliforniaSun, Oct 23, 2:37 AM PDT · 15686 days ago · 3 km deep · 98 km away
13. 1.58 km SSW of Ferndale, CaliforniaSun, Oct 23, 12:08 PM PDT · 15686 days ago · 20 km deep · 32 km away
14. 1.814 km NE of Redcrest, CaliforniaMon, Oct 24, 10:03 PM PDT · 15685 days ago · 73 km deep · 37 km away
15. 1.814 km ESE of Burnt Ranch, CaliforniaMon, Oct 24, 10:32 PM PDT · 15685 days ago · 16 km deep · 90 km away
16. 1.668 km W of Ferndale, CaliforniaTue, Oct 25, 6:44 AM PDT · 15684 days ago · 34 km deep · 88 km away
17. 1.815 km SE of Laytonville, CaliforniaWed, Oct 26, 12:27 AM PDT · 15683 days ago · -1 km deep · 98 km away
18. 1.515 km N of Brooktrails, CaliforniaWed, Oct 26, 12:27 AM PDT · 15683 days ago · 0 km deep · 98 km away
19. 1.715 km N of Brooktrails, CaliforniaWed, Oct 26, 5:24 PM PDT · 15683 days ago · -1 km deep · 99 km away
20. 2.212 km W of Ferndale, CaliforniaThu, Oct 27, 5:15 AM PDT · 15682 days ago · 22 km deep · 44 km away
21. 1.59 km S of Ferndale, CaliforniaThu, Oct 27, 10:29 AM PDT · 15682 days ago · 2 km deep · 30 km away
22. 1.99 km SSW of Ferndale, CaliforniaThu, Oct 27, 11:00 AM PDT · 15682 days ago · 3 km deep · 31 km away
23. 3.115 km SE of Laytonville, CaliforniaFri, Oct 28, 10:19 AM PDT · 15681 days ago · 2 km deep · 98 km away
24. 2.538 km WSW of Ferndale, CaliforniaSat, Oct 29, 6:48 PM PDT · 15680 days ago · 25 km deep · 48 km away
25. 2.214 km SE of Laytonville, CaliforniaSat, Oct 29, 10:40 PM PDT · 15680 days ago · -1 km deep · 97 km away
26. 2.037 km SW of Ferndale, CaliforniaSat, Oct 29, 10:45 PM PDT · 15680 days ago · 24 km deep · 37 km away
27. 1.67 km SSW of Ferndale, CaliforniaMon, Oct 31, 5:33 PM PST · 15678 days ago · 28 km deep · 33 km away
28. 2.17 km N of Mad River, CaliforniaMon, Oct 31, 6:12 PM PST · 15678 days ago · 0 km deep · 61 km away
29. 1.66 km WNW of Redcrest, CaliforniaMon, Oct 31, 7:58 PM PST · 15678 days ago · 24 km deep · 22 km away
30. 2.9near the coast of Northern CaliforniaTue, Nov 1, 10:45 AM PST · 15677 days ago · 27 km deep · 24 km away
31. 3.115 km N of Brooktrails, CaliforniaTue, Nov 1, 11:47 AM PST · 15677 days ago · -1 km deep · 98 km away
32. 2.015 km N of Brooktrails, CaliforniaTue, Nov 1, 12:12 PM PST · 15677 days ago · -1 km deep · 99 km away
33. 2.415 km SE of Laytonville, CaliforniaTue, Nov 1, 12:24 PM PST · 15677 days ago · -1 km deep · 98 km away
34. 1.815 km N of Brooktrails, CaliforniaTue, Nov 1, 12:25 PM PST · 15677 days ago · -1 km deep · 98 km away
35. 1.615 km SE of Laytonville, CaliforniaTue, Nov 1, 6:34 PM PST · 15677 days ago · 1 km deep · 98 km away
36. 1.98 km NE of Trinity Village, CaliforniaWed, Nov 2, 2:27 AM PST · 15676 days ago · 20 km deep · 94 km away
37. 1.93 km NNE of Redway, CaliforniaWed, Nov 2, 2:50 AM PST · 15676 days ago · 21 km deep · 29 km away
38. 2.846 km WSW of Ferndale, CaliforniaWed, Nov 2, 2:36 PM PST · 15676 days ago · 25 km deep · 53 km away
39. 3.275 km WSW of Ferndale, CaliforniaWed, Nov 2, 5:49 PM PST · 15676 days ago · 4 km deep · 87 km away
40. 1.712 km SSW of Scotia, CaliforniaFri, Nov 4, 8:56 AM PST · 15674 days ago · 30 km deep · 14 km away
41. 1.616 km SSW of Ferndale, CaliforniaFri, Nov 4, 11:06 AM PST · 15674 days ago · 25 km deep · 30 km away
42. 3.5near the coast of Northern CaliforniaSat, Nov 5, 4:45 AM PST · 15673 days ago · 2 km deep · 99 km away
43. 3.236 km SW of Ferndale, CaliforniaSat, Nov 5, 6:07 PM PST · 15673 days ago · 21 km deep · 34 km away
44. 1.810 km E of Laytonville, CaliforniaMon, Nov 7, 2:13 AM PST · 15671 days ago · 4 km deep · 88 km away
45. 1.632 km WNW of Ferndale, CaliforniaMon, Nov 7, 5:00 AM PST · 15671 days ago · 19 km deep · 61 km away
46. 1.731 km SSW of Ferndale, CaliforniaMon, Nov 7, 5:55 AM PST · 15671 days ago · 21 km deep · 26 km away
47. 4.11 km NE of Ferndale, CaliforniaTue, Nov 8, 4:32 AM PST · 15670 days ago · 4 km deep · 39 km away
48. 2.722 km SSE of Hayfork, CaliforniaTue, Nov 8, 2:36 PM PST · 15670 days ago · 28 km deep · 92 km away
49. 2.016 km WSW of Ferndale, CaliforniaFri, Nov 11, 7:01 AM PST · 15667 days ago · 30 km deep · 38 km away
50. 2.111 km SE of Laytonville, CaliforniaFri, Nov 11, 8:53 PM PST · 15667 days ago · 0 km deep · 94 km away
51. 2.64 km ENE of Garberville, CaliforniaSat, Nov 12, 10:08 PM PST · 15666 days ago · 18 km deep · 35 km away
52. 1.512 km SW of Ferndale, CaliforniaSun, Nov 13, 10:31 PM PST · 15665 days ago · 27 km deep · 36 km away
53. 2.011 km E of Hydesville, CaliforniaMon, Nov 14, 9:50 PM PST · 15664 days ago · 22 km deep · 37 km away
54. 1.911 km E of Hydesville, CaliforniaTue, Nov 15, 12:10 PM PST · 15663 days ago · 23 km deep · 37 km away
55. 3.09 km NNW of Laytonville, CaliforniaTue, Nov 15, 4:40 PM PST · 15663 days ago · -1 km deep · 74 km away
56. 2.010 km NW of Laytonville, CaliforniaTue, Nov 15, 6:14 PM PST · 15663 days ago · 13 km deep · 73 km away
57. 2.27 km S of Blue Lake, CaliforniaTue, Nov 15, 9:35 PM PST · 15663 days ago · 22 km deep · 64 km away
58. 2.810 km SE of Covelo, CaliforniaWed, Nov 16, 8:50 PM PST · 15662 days ago · 1 km deep · 100 km away
59. 2.336 km SW of Ferndale, CaliforniaThu, Nov 17, 10:18 AM PST · 15661 days ago · 22 km deep · 34 km away
60. 3.737 km SSW of Ferndale, CaliforniaSat, Nov 19, 9:44 AM PST · 15659 days ago · 20 km deep · 33 km away

The first 60 of 100.

Before

1. 1.639 km SW of Ferndale, CaliforniaSun, Oct 16, 11:37 PM PDT · 15693 days ago · 18 km deep · 38 km away
2. 1.748 km SW of Ferndale, CaliforniaSun, Oct 16, 6:10 AM PDT · 15693 days ago · 31 km deep · 52 km away
3. 1.625 km W of Ferndale, CaliforniaSat, Oct 15, 7:57 PM PDT · 15694 days ago · 18 km deep · 51 km away
4. 1.612 km NNW of Laytonville, CaliforniaSat, Oct 15, 1:09 PM PDT · 15694 days ago · 9 km deep · 71 km away
5. 2.238 km SW of Ferndale, CaliforniaFri, Oct 14, 5:56 PM PDT · 15695 days ago · 19 km deep · 35 km away
6. 1.939 km SW of Ferndale, CaliforniaWed, Oct 12, 11:24 AM PDT · 15697 days ago · 18 km deep · 39 km away
7. 2.121 km SSW of Ferndale, CaliforniaTue, Oct 11, 8:14 PM PDT · 15698 days ago · 28 km deep · 26 km away
8. 1.613 km WNW of Covelo, CaliforniaTue, Oct 11, 12:14 AM PDT · 15698 days ago · 5 km deep · 77 km away
9. 1.513 km WNW of Covelo, CaliforniaMon, Oct 10, 10:09 PM PDT · 15699 days ago · 6 km deep · 77 km away
10. 1.812 km SSW of Scotia, CaliforniaMon, Oct 10, 4:40 PM PDT · 15699 days ago · 30 km deep · 14 km away
11. 3.04 km SE of Ferndale, CaliforniaMon, Oct 10, 8:48 AM PDT · 15699 days ago · 26 km deep · 34 km away
12. 3.784 km WSW of Ferndale, CaliforniaMon, Oct 10, 6:55 AM PDT · 15699 days ago · 1 km deep · 97 km away
13. 3.861 km WNW of Ferndale, CaliforniaMon, Oct 10, 5:43 AM PDT · 15699 days ago · 5 km deep · 88 km away
14. 3.045 km SW of Ferndale, CaliforniaSun, Oct 9, 9:40 PM PDT · 15700 days ago · 19 km deep · 45 km away
15. 1.912 km W of Junction City, CaliforniaSat, Oct 8, 6:05 PM PDT · 15701 days ago · 12 km deep · 95 km away
16. 1.539 km SW of Ferndale, CaliforniaFri, Oct 7, 10:29 AM PDT · 15702 days ago · 20 km deep · 38 km away
17. 1.916 km NE of Myers Flat, CaliforniaThu, Oct 6, 10:42 PM PDT · 15703 days ago · 4 km deep · 35 km away
18. 1.610 km N of Covelo, CaliforniaThu, Oct 6, 2:39 AM PDT · 15703 days ago · 6 km deep · 85 km away
19. 2.879 km WSW of Ferndale, CaliforniaTue, Oct 4, 5:17 PM PDT · 15705 days ago · 39 km deep · 93 km away
20. 1.815 km WSW of Laytonville, CaliforniaTue, Oct 4, 10:07 AM PDT · 15705 days ago · 1 km deep · 78 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1105088. Read Sat, Oct 3, 2026, 6:31 PM UTC.