M2.4 earthquake 5 km E of Willits, California

Magnitude

2.4 (md), micro

Local time

Sun, Dec 4, 1983, 4:19 PM PST

UTC

1983-12-05 00:19:48 UTC

Depth

4.3 km (2.7 mi), shallow

Epicenter

39.419° N, 123.294° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.1 km horizontally, 4.0 km in depth

Magnitude uncertainty

±0.02

Depth from

From location

Station coverage gap

192°, poorly surrounded by stations

Stations used

5

• Willits, CaliforniaPopulation 4,861. Forecast5 kmE
• Ukiah, CaliforniaPopulation 15,917. Forecast31 kmNNW
• Santa Rosa, CaliforniaPopulation 178,127. Forecast120 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast747 kmNW

After

1. 2.45 km ENE of Willits, CaliforniaSun, Dec 4, 11:03 PM PST · 15632 days ago · 2 km deep · 0 km away
2. 1.56 km W of Cobb, CaliforniaMon, Dec 5, 2:55 AM PST · 15632 days ago · 3 km deep · 79 km away
3. 1.76 km W of Cobb, CaliforniaMon, Dec 5, 5:00 AM PST · 15632 days ago · 3 km deep · 79 km away
4. 1.77 km WSW of Cobb, CaliforniaMon, Dec 5, 10:28 AM PST · 15632 days ago · 1 km deep · 80 km away
5. 1.67 km W of Cobb, CaliforniaTue, Dec 6, 7:24 AM PST · 15631 days ago · 3 km deep · 79 km away
6. 1.57 km E of Willits, CaliforniaTue, Dec 6, 12:09 PM PST · 15631 days ago · 9 km deep · 3 km away
7. 1.57 km W of Cobb, CaliforniaTue, Dec 6, 6:36 PM PST · 15630 days ago · 3 km deep · 80 km away
8. 1.76 km W of Cobb, CaliforniaTue, Dec 6, 6:55 PM PST · 15630 days ago · 3 km deep · 79 km away
9. 1.68 km W of Cobb, CaliforniaWed, Dec 7, 3:44 AM PST · 15630 days ago · 0 km deep · 79 km away
10. 2.76 km WSW of Cobb, CaliforniaWed, Dec 7, 8:10 AM PST · 15630 days ago · 0 km deep · 81 km away
11. 1.6Northern CaliforniaWed, Dec 7, 9:43 AM PST · 15630 days ago · 1 km deep · 76 km away
12. 1.77 km WSW of Cobb, CaliforniaThu, Dec 8, 12:52 AM PST · 15629 days ago · 0 km deep · 80 km away
13. 1.87 km WSW of Cobb, CaliforniaThu, Dec 8, 1:11 AM PST · 15629 days ago · -1 km deep · 81 km away
14. 1.918 km E of Potter Valley, CaliforniaThu, Dec 8, 3:53 AM PST · 15629 days ago · 8 km deep · 35 km away
15. 2.47 km WSW of Cobb, CaliforniaThu, Dec 8, 9:03 PM PST · 15628 days ago · 0 km deep · 80 km away
16. 2.28 km WSW of Cobb, CaliforniaFri, Dec 9, 5:59 AM PST · 15628 days ago · 3 km deep · 81 km away
17. 1.77 km WSW of Cobb, CaliforniaFri, Dec 9, 9:16 AM PST · 15628 days ago · 0 km deep · 80 km away
18. 2.67 km WSW of Cobb, CaliforniaFri, Dec 9, 9:32 AM PST · 15628 days ago · 1 km deep · 80 km away
19. 1.77 km WSW of Cobb, CaliforniaFri, Dec 9, 2:15 PM PST · 15627 days ago · 1 km deep · 81 km away
20. 1.85 km SSW of Cobb, CaliforniaFri, Dec 9, 3:31 PM PST · 15627 days ago · -1 km deep · 86 km away
21. 2.86 km W of Cobb, CaliforniaFri, Dec 9, 9:50 PM PST · 15627 days ago · 3 km deep · 79 km away
22. 2.16 km W of Cobb, CaliforniaSat, Dec 10, 7:45 AM PST · 15627 days ago · 3 km deep · 80 km away
23. 1.94 km W of Cobb, CaliforniaSat, Dec 10, 1:43 PM PST · 15626 days ago · 0 km deep · 80 km away
24. 1.69 km W of Cobb, CaliforniaSat, Dec 10, 8:36 PM PST · 15626 days ago · 1 km deep · 79 km away
25. 2.610 km WSW of Hopland, CaliforniaSun, Dec 11, 12:55 AM PST · 15626 days ago · 2 km deep · 54 km away
26. 3.414 km N of Brooktrails, CaliforniaSun, Dec 11, 1:01 PM PST · 15625 days ago · 6 km deep · 18 km away
27. 2.010 km WSW of Hopland, CaliforniaSun, Dec 11, 5:53 PM PST · 15625 days ago · 2 km deep · 54 km away
28. 2.311 km ESE of Potter Valley, CaliforniaMon, Dec 12, 8:10 AM PST · 15625 days ago · 6 km deep · 31 km away
29. 1.87 km WSW of Cobb, CaliforniaMon, Dec 12, 5:20 PM PST · 15624 days ago · 1 km deep · 81 km away
30. 1.88 km NE of Willits, CaliforniaMon, Dec 12, 9:19 PM PST · 15624 days ago · 7 km deep · 5 km away
31. 2.69 km N of Covelo, CaliforniaTue, Dec 13, 12:02 AM PST · 15624 days ago · -1 km deep · 51 km away
32. 3.17 km W of Cobb, CaliforniaTue, Dec 13, 12:39 AM PST · 15624 days ago · 0 km deep · 79 km away
33. 2.07 km WSW of Cobb, CaliforniaTue, Dec 13, 11:42 AM PST · 15624 days ago · 0 km deep · 80 km away
34. 1.56 km W of Cobb, CaliforniaWed, Dec 14, 6:51 AM PST · 15623 days ago · 3 km deep · 79 km away
35. 2.08 km WSW of Cobb, CaliforniaWed, Dec 14, 5:52 PM PST · 15622 days ago · 1 km deep · 80 km away
36. 1.55 km WSW of Cobb, CaliforniaWed, Dec 14, 10:09 PM PST · 15622 days ago · 1 km deep · 81 km away
37. 2.42 km SE of Clear Lake Riviera, CaliforniaThu, Dec 15, 2:47 AM PST · 15622 days ago · 1 km deep · 74 km away
38. 2.13 km SE of Clear Lake Riviera, CaliforniaThu, Dec 15, 4:07 AM PST · 15622 days ago · 2 km deep · 75 km away
39. 1.714 km SE of Laytonville, CaliforniaThu, Dec 15, 10:43 AM PST · 15622 days ago · 3 km deep · 20 km away
40. 1.910 km NNE of Laytonville, CaliforniaFri, Dec 16, 2:26 PM PST · 15620 days ago · 6 km deep · 42 km away
41. 1.65 km SW of Cobb, CaliforniaFri, Dec 16, 3:01 PM PST · 15620 days ago · 0 km deep · 83 km away
42. 1.827 km W of Paskenta, CaliforniaFri, Dec 16, 7:52 PM PST · 15620 days ago · 11 km deep · 67 km away
43. 1.77 km WSW of Cobb, CaliforniaFri, Dec 16, 9:03 PM PST · 15620 days ago · 1 km deep · 80 km away
44. 1.99 km WSW of Cobb, CaliforniaSat, Dec 17, 6:02 AM PST · 15620 days ago · 1 km deep · 80 km away
45. 1.511 km N of Laytonville, CaliforniaSat, Dec 17, 7:27 AM PST · 15620 days ago · 9 km deep · 43 km away
46. 2.06 km WSW of Cobb, CaliforniaSun, Dec 18, 3:58 PM PST · 15618 days ago · 2 km deep · 80 km away
47. 1.87 km WSW of Cobb, CaliforniaMon, Dec 19, 1:09 AM PST · 15618 days ago · 0 km deep · 80 km away
48. 1.76 km WSW of Cobb, CaliforniaMon, Dec 19, 5:11 AM PST · 15618 days ago · 3 km deep · 80 km away
49. 1.823 km ENE of Potter Valley, CaliforniaMon, Dec 19, 7:58 AM PST · 15618 days ago · 14 km deep · 37 km away
50. 1.611 km N of Covelo, CaliforniaMon, Dec 19, 2:11 PM PST · 15617 days ago · 7 km deep · 53 km away
51. 1.59 km WSW of Cobb, CaliforniaTue, Dec 20, 7:04 AM PST · 15617 days ago · 1 km deep · 80 km away
52. 3.17 km W of Cobb, CaliforniaTue, Dec 20, 11:37 AM PST · 15617 days ago · 1 km deep · 80 km away
53. 1.76 km W of Cobb, CaliforniaTue, Dec 20, 5:56 PM PST · 15616 days ago · 3 km deep · 80 km away
54. 2.928 km WNW of Stonyford, CaliforniaWed, Dec 21, 4:16 AM PST · 15616 days ago · 4 km deep · 39 km away
55. 1.625 km NNE of Potter Valley, CaliforniaWed, Dec 21, 4:25 AM PST · 15616 days ago · 5 km deep · 29 km away
56. 1.66 km W of Cobb, CaliforniaWed, Dec 21, 4:34 AM PST · 15616 days ago · 3 km deep · 79 km away
57. 1.54 km NW of Redwood Valley, CaliforniaThu, Dec 22, 3:52 PM PST · 15614 days ago · 7 km deep · 14 km away
58. 1.84 km S of Cobb, CaliforniaThu, Dec 22, 7:28 PM PST · 15614 days ago · 1 km deep · 86 km away
59. 1.711 km NE of Healdsburg, CaliforniaFri, Dec 23, 1:31 AM PST · 15614 days ago · 5 km deep · 95 km away
60. 1.56 km W of Cobb, CaliforniaFri, Dec 23, 5:54 AM PST · 15614 days ago · 3 km deep · 80 km away

The first 60 of 186.

Before

1. 1.66 km W of Cobb, CaliforniaSun, Dec 4, 12:43 PM PST · 15632 days ago · 3 km deep · 80 km away
2. 1.76 km W of Cobb, CaliforniaSat, Dec 3, 9:05 PM PST · 15633 days ago · 2 km deep · 78 km away
3. 1.94 km W of Cobb, CaliforniaSat, Dec 3, 6:39 PM PST · 15633 days ago · -1 km deep · 80 km away
4. 1.77 km W of Cobb, CaliforniaSat, Dec 3, 6:33 PM PST · 15633 days ago · 2 km deep · 79 km away
5. 2.05 km WSW of Cobb, CaliforniaSat, Dec 3, 1:52 AM PST · 15634 days ago · 0 km deep · 82 km away
6. 2.04 km SW of Cobb, CaliforniaSat, Dec 3, 1:47 AM PST · 15634 days ago · 1 km deep · 83 km away
7. 1.95 km WSW of Cobb, CaliforniaSat, Dec 3, 1:27 AM PST · 15634 days ago · -1 km deep · 82 km away
8. 1.817 km E of Lower Lake, CaliforniaFri, Dec 2, 4:54 PM PST · 15634 days ago · 3 km deep · 93 km away
9. 2.05 km SSW of Laytonville, CaliforniaFri, Dec 2, 10:17 AM PST · 15635 days ago · 3 km deep · 32 km away
10. 1.620 km NE of Potter Valley, CaliforniaFri, Dec 2, 1:33 AM PST · 15635 days ago · 10 km deep · 30 km away
11. 1.7near the coast of Northern CaliforniaFri, Dec 2, 12:53 AM PST · 15635 days ago · 3 km deep · 32 km away
12. 2.24 km SSW of Laytonville, CaliforniaFri, Dec 2, 12:38 AM PST · 15635 days ago · 5 km deep · 31 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1107983. Read Tue, Sep 22, 2026, 8:03 AM UTC.