M2.1 earthquake 11 km ESE of Willits, California

Magnitude

2.1 (md), micro

Local time

Sat, Apr 12, 1986, 11:18 PM PST

UTC

1986-04-13 07:18:15 UTC

Depth

6.6 km (4.1 mi), shallow

Epicenter

39.366° N, 123.240° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.3 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

97°

Stations used

9

• Willits, CaliforniaPopulation 4,861. Forecast11 kmESE
• Ukiah, CaliforniaPopulation 15,917. Forecast24 kmN
• Santa Rosa, CaliforniaPopulation 178,127. Forecast112 kmNNW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast740 kmNW

After

1. 1.77 km WSW of Cobb, CaliforniaSun, Apr 13, 2:02 AM PST · 14779 days ago · 4 km deep · 73 km away
2. 1.66 km WSW of Cobb, CaliforniaSun, Apr 13, 4:21 AM PST · 14779 days ago · 0 km deep · 74 km away
3. 1.65 km WSW of Cobb, CaliforniaSun, Apr 13, 4:29 AM PST · 14779 days ago · -1 km deep · 74 km away
4. 1.73 km NNW of Clear Lake Riviera, CaliforniaSun, Apr 13, 5:52 PM PST · 14778 days ago · -1 km deep · 61 km away
5. 1.97 km W of Cobb, CaliforniaTue, Apr 15, 5:00 AM PST · 14777 days ago · 3 km deep · 72 km away
6. 2.910 km NW of Philo, CaliforniaWed, Apr 16, 8:37 AM PST · 14776 days ago · 5 km deep · 34 km away
7. 1.57 km W of Cobb, CaliforniaWed, Apr 16, 4:34 PM PST · 14775 days ago · 4 km deep · 71 km away
8. 1.94 km W of Cobb, CaliforniaWed, Apr 16, 8:11 PM PST · 14775 days ago · 1 km deep · 73 km away
9. 1.77 km W of Cobb, CaliforniaWed, Apr 16, 8:58 PM PST · 14775 days ago · 3 km deep · 72 km away
10. 1.710 km SW of Boonville, CaliforniaThu, Apr 17, 12:14 PM PST · 14775 days ago · 1 km deep · 50 km away
11. 1.513 km SE of Laytonville, CaliforniaFri, Apr 18, 1:59 PM PST · 14773 days ago · 5 km deep · 28 km away
12. 1.710 km NNW of Redwood Valley, CaliforniaFri, Apr 18, 6:19 PM PST · 14773 days ago · 7 km deep · 2 km away
13. 2.46 km W of Cobb, CaliforniaSat, Apr 19, 2:24 AM PST · 14773 days ago · 4 km deep · 72 km away
14. 1.87 km W of Cobb, CaliforniaSat, Apr 19, 10:16 AM PST · 14773 days ago · 3 km deep · 72 km away
15. 1.66 km W of Cobb, CaliforniaSat, Apr 19, 10:26 AM PST · 14773 days ago · 3 km deep · 71 km away
16. 1.610 km WNW of Potter Valley, CaliforniaSat, Apr 19, 11:34 AM PST · 14773 days ago · 7 km deep · 2 km away
17. 2.58 km WSW of Cobb, CaliforniaSat, Apr 19, 3:13 PM PST · 14772 days ago · 3 km deep · 73 km away
18. 1.76 km SW of Cobb, CaliforniaSat, Apr 19, 4:02 PM PST · 14772 days ago · 0 km deep · 76 km away
19. 2.122 km NW of Paskenta, CaliforniaSat, Apr 19, 7:30 PM PST · 14772 days ago · 9 km deep · 83 km away
20. 1.67 km WSW of Cobb, CaliforniaSun, Apr 20, 10:47 AM PST · 14772 days ago · 3 km deep · 73 km away
21. 2.35 km WSW of Cobb, CaliforniaSun, Apr 20, 5:22 PM PST · 14771 days ago · 0 km deep · 75 km away
22. 1.85 km WSW of Cobb, CaliforniaSun, Apr 20, 5:22 PM PST · 14771 days ago · 0 km deep · 75 km away
23. 2.211 km NE of Healdsburg, CaliforniaMon, Apr 21, 12:33 AM PST · 14771 days ago · 3 km deep · 86 km away
24. 1.94 km SSW of Cobb, CaliforniaMon, Apr 21, 1:48 PM PST · 14770 days ago · 2 km deep · 77 km away
25. 1.86 km WSW of Cobb, CaliforniaMon, Apr 21, 7:35 PM PST · 14770 days ago · 2 km deep · 75 km away
26. 1.78 km WSW of Cobb, CaliforniaMon, Apr 21, 8:47 PM PST · 14770 days ago · 2 km deep · 74 km away
27. 1.65 km W of Cobb, CaliforniaTue, Apr 22, 4:41 AM PST · 14770 days ago · 0 km deep · 72 km away
28. 1.65 km W of Cobb, CaliforniaTue, Apr 22, 4:41 AM PST · 14770 days ago · 0 km deep · 72 km away
29. 1.84 km W of Cobb, CaliforniaTue, Apr 22, 4:42 AM PST · 14770 days ago · -1 km deep · 73 km away
30. 1.76 km SW of Cobb, CaliforniaTue, Apr 22, 8:36 AM PST · 14770 days ago · -1 km deep · 76 km away
31. 2.24 km WNW of Cobb, CaliforniaTue, Apr 22, 10:50 AM PST · 14770 days ago · 2 km deep · 71 km away
32. 1.77 km W of Cobb, CaliforniaTue, Apr 22, 12:16 PM PST · 14770 days ago · 2 km deep · 72 km away
33. 1.93 km SW of Cobb, CaliforniaTue, Apr 22, 2:53 PM PST · 14769 days ago · 1 km deep · 76 km away
34. 1.82 km NNE of Talmage, CaliforniaThu, Apr 24, 3:24 AM PST · 14768 days ago · 4 km deep · 24 km away
35. 1.629 km NE of Potter Valley, CaliforniaFri, Apr 25, 4:16 AM PST · 14767 days ago · 4 km deep · 34 km away
36. 1.610 km NE of Talmage, CaliforniaFri, Apr 25, 11:31 AM PST · 14767 days ago · 3 km deep · 23 km away
37. 1.78 km WNW of Cloverdale, CaliforniaFri, Apr 25, 4:38 PM PST · 14766 days ago · 2 km deep · 60 km away
38. 1.95 km WNW of Cobb, CaliforniaFri, Apr 25, 10:33 PM PST · 14766 days ago · 2 km deep · 71 km away
39. 1.65 km WSW of Cobb, CaliforniaSat, Apr 26, 12:37 PM PST · 14766 days ago · 1 km deep · 74 km away
40. 1.87 km W of Cobb, CaliforniaSun, Apr 27, 9:54 AM PDT · 14765 days ago · 3 km deep · 71 km away
41. 1.629 km NE of Potter Valley, CaliforniaSun, Apr 27, 11:42 AM PDT · 14765 days ago · 4 km deep · 34 km away
42. 1.829 km NE of Potter Valley, CaliforniaSun, Apr 27, 12:46 PM PDT · 14765 days ago · 4 km deep · 35 km away
43. 1.738 km ESE of Ruth, CaliforniaMon, Apr 28, 5:34 AM PDT · 14764 days ago · 12 km deep · 85 km away
44. 1.86 km WSW of Cobb, CaliforniaMon, Apr 28, 2:53 PM PDT · 14763 days ago · 1 km deep · 73 km away
45. 2.23 km W of Cobb, CaliforniaTue, Apr 29, 1:58 AM PDT · 14763 days ago · 1 km deep · 73 km away
46. 1.97 km W of Cobb, CaliforniaTue, Apr 29, 8:30 PM PDT · 14762 days ago · 3 km deep · 72 km away
47. 2.18 km WSW of Cobb, CaliforniaWed, Apr 30, 3:14 AM PDT · 14762 days ago · 4 km deep · 73 km away
48. 2.37 km W of Cobb, CaliforniaWed, Apr 30, 4:52 AM PDT · 14762 days ago · 3 km deep · 72 km away
49. 1.86 km W of Cobb, CaliforniaWed, Apr 30, 11:28 AM PDT · 14762 days ago · 3 km deep · 71 km away
50. 1.66 km WSW of Cobb, CaliforniaWed, Apr 30, 11:03 PM PDT · 14761 days ago · 3 km deep · 73 km away
51. 1.76 km W of Cobb, CaliforniaWed, Apr 30, 11:44 PM PDT · 14761 days ago · 4 km deep · 71 km away
52. 1.97 km WSW of Cobb, CaliforniaThu, May 1, 6:39 AM PDT · 14761 days ago · 0 km deep · 74 km away
53. 1.87 km W of Cobb, CaliforniaThu, May 1, 6:55 AM PDT · 14761 days ago · 3 km deep · 71 km away
54. 1.97 km WSW of Cobb, CaliforniaFri, May 2, 5:39 AM PDT · 14760 days ago · 2 km deep · 74 km away
55. 2.06 km SW of Cobb, CaliforniaFri, May 2, 9:36 AM PDT · 14760 days ago · 1 km deep · 75 km away
56. 1.65 km SW of Cobb, CaliforniaFri, May 2, 4:55 PM PDT · 14759 days ago · 2 km deep · 75 km away
57. 1.58 km WSW of Cobb, CaliforniaFri, May 2, 6:44 PM PDT · 14759 days ago · 4 km deep · 74 km away
58. 1.76 km WSW of Cobb, CaliforniaSat, May 3, 12:41 PM PDT · 14759 days ago · 9 km deep · 73 km away
59. 1.713 km SE of Hidden Valley Lake, CaliforniaSat, May 3, 3:44 PM PDT · 14758 days ago · -1 km deep · 99 km away
60. 2.53 km SW of Cobb, CaliforniaSun, May 4, 1:24 AM PDT · 14758 days ago · 1 km deep · 76 km away

The first 60 of 157.

Before

1. 1.96 km W of Cobb, CaliforniaSat, Apr 12, 3:52 AM PST · 14780 days ago · 2 km deep · 72 km away
2. 1.84 km WSW of Cobb, CaliforniaFri, Apr 11, 6:43 PM PST · 14780 days ago · 1 km deep · 73 km away
3. 1.96 km SW of Cobb, CaliforniaFri, Apr 11, 6:42 PM PST · 14780 days ago · 1 km deep · 76 km away
4. 1.78 km W of Cobb, CaliforniaFri, Apr 11, 4:44 PM PST · 14780 days ago · 2 km deep · 70 km away
5. 2.18 km WSW of Cobb, CaliforniaThu, Apr 10, 11:27 PM PST · 14781 days ago · -1 km deep · 72 km away
6. 1.55 km W of Cobb, CaliforniaThu, Apr 10, 10:09 PM PST · 14781 days ago · 0 km deep · 72 km away
7. 2.415 km W of Guinda, CaliforniaThu, Apr 10, 2:58 PM PST · 14781 days ago · 13 km deep · 96 km away
8. 2.06 km W of Cobb, CaliforniaThu, Apr 10, 5:28 AM PST · 14782 days ago · 2 km deep · 72 km away
9. 1.56 km W of Cobb, CaliforniaWed, Apr 9, 10:06 PM PST · 14782 days ago · 2 km deep · 72 km away
10. 1.75 km S of Cobb, CaliforniaMon, Apr 7, 6:33 AM PST · 14785 days ago · 2 km deep · 80 km away
11. 1.97 km WSW of Cobb, CaliforniaSun, Apr 6, 7:19 PM PST · 14785 days ago · 1 km deep · 73 km away
12. 1.77 km WSW of Cobb, CaliforniaSun, Apr 6, 6:00 AM PST · 14786 days ago · 4 km deep · 74 km away
13. 1.77 km WSW of Cobb, CaliforniaSat, Apr 5, 9:42 PM PST · 14786 days ago · 0 km deep · 73 km away
14. 1.76 km W of Cobb, CaliforniaSat, Apr 5, 12:35 PM PST · 14787 days ago · 2 km deep · 72 km away
15. 1.614 km SE of Laytonville, CaliforniaSat, Apr 5, 12:30 AM PST · 14787 days ago · 7 km deep · 28 km away
16. 2.57 km WSW of Cobb, CaliforniaFri, Apr 4, 10:43 PM PST · 14787 days ago · 0 km deep · 73 km away
17. 1.76 km WSW of Cobb, CaliforniaFri, Apr 4, 10:31 PM PST · 14787 days ago · 1 km deep · 73 km away
18. 2.17 km WSW of Cobb, CaliforniaFri, Apr 4, 8:14 PM PST · 14787 days ago · 1 km deep · 73 km away
19. 2.04 km WSW of Cobb, CaliforniaFri, Apr 4, 8:10 PM PST · 14787 days ago · 1 km deep · 75 km away
20. 1.77 km W of Cobb, CaliforniaFri, Apr 4, 10:30 AM PST · 14788 days ago · 3 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc1137503. Read Tue, Sep 29, 2026, 8:48 AM UTC.