M2.2 earthquake 6 km SW of Cobb, California

Magnitude

2.2 (md), micro

Local time

Tue, Aug 26, 1986, 5:15 AM PDT

UTC

1986-08-26 12:15:47 UTC

Depth

0.5 km (0.3 mi), shallow

Epicenter

38.779° N, 122.766° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

39°

Stations used

16

• Cobb, CaliforniaPopulation 1,778. Forecast6 kmSW
• Healdsburg, CaliforniaPopulation 11,742. Forecast21 kmNNE
• Santa Rosa, CaliforniaPopulation 178,127. Forecast38 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast663 kmNW

After

1. 3.66 km E of Talmage, CaliforniaTue, Aug 26, 8:27 AM PDT · 14645 days ago · 4 km deep · 48 km away
2. 1.75 km W of Middletown, CaliforniaTue, Aug 26, 12:24 PM PDT · 14644 days ago · 7 km deep · 8 km away
3. 2.412 km NNE of Moskowite Corner, CaliforniaTue, Aug 26, 4:45 PM PDT · 14644 days ago · 14 km deep · 62 km away
4. 1.97 km NNE of Madison, CaliforniaTue, Aug 26, 4:55 PM PDT · 14644 days ago · 9 km deep · 71 km away
5. 1.70 km WNW of Redwood Valley, CaliforniaTue, Aug 26, 6:17 PM PDT · 14644 days ago · 6 km deep · 67 km away
6. 1.64 km W of Cobb, CaliforniaWed, Aug 27, 12:57 AM PDT · 14644 days ago · 1 km deep · 5 km away
7. 2.5Northern CaliforniaWed, Aug 27, 8:44 AM PDT · 14644 days ago · 12 km deep · 71 km away
8. 2.07 km W of Cobb, CaliforniaWed, Aug 27, 6:23 PM PDT · 14643 days ago · 1 km deep · 5 km away
9. 1.67 km W of Cobb, CaliforniaWed, Aug 27, 8:30 PM PDT · 14643 days ago · 3 km deep · 6 km away
10. 1.64 km W of Cobb, CaliforniaWed, Aug 27, 10:58 PM PDT · 14643 days ago · 1 km deep · 5 km away
11. 2.05 km WSW of Cobb, CaliforniaThu, Aug 28, 12:51 PM PDT · 14642 days ago · -1 km deep · 4 km away
12. 1.64 km SW of Cobb, CaliforniaThu, Aug 28, 3:13 PM PDT · 14642 days ago · -1 km deep · 1 km away
13. 1.76 km SW of Cobb, CaliforniaThu, Aug 28, 6:21 PM PDT · 14642 days ago · 0 km deep · 1 km away
14. 1.96 km W of Cobb, CaliforniaThu, Aug 28, 8:25 PM PDT · 14642 days ago · 1 km deep · 6 km away
15. 1.84 km SW of Glen Ellen, CaliforniaFri, Aug 29, 12:46 AM PDT · 14642 days ago · 5 km deep · 53 km away
16. 1.97 km NNW of Redwood Valley, CaliforniaFri, Aug 29, 4:57 AM PDT · 14642 days ago · 2 km deep · 73 km away
17. 2.12 km NNW of Larkfield-Wikiup, CaliforniaFri, Aug 29, 1:49 PM PDT · 14641 days ago · 8 km deep · 27 km away
18. 1.79 km NNE of Larkfield-Wikiup, CaliforniaFri, Aug 29, 1:52 PM PDT · 14641 days ago · 4 km deep · 21 km away
19. 2.08 km ESE of Hopland, CaliforniaFri, Aug 29, 1:54 PM PDT · 14641 days ago · 3 km deep · 29 km away
20. 1.88 km W of Cobb, CaliforniaFri, Aug 29, 4:52 PM PDT · 14641 days ago · 2 km deep · 6 km away
21. 1.710 km W of Cobb, CaliforniaFri, Aug 29, 4:52 PM PDT · 14641 days ago · -1 km deep · 8 km away
22. 2.05 km WSW of Cobb, CaliforniaFri, Aug 29, 4:53 PM PDT · 14641 days ago · 0 km deep · 3 km away
23. 1.75 km WSW of Cobb, CaliforniaFri, Aug 29, 4:57 PM PDT · 14641 days ago · 0 km deep · 3 km away
24. 1.66 km WSW of Cobb, CaliforniaSat, Aug 30, 7:49 AM PDT · 14641 days ago · 1 km deep · 4 km away
25. 2.56 km W of Cobb, CaliforniaSat, Aug 30, 4:08 PM PDT · 14640 days ago · 3 km deep · 6 km away
26. 1.96 km WSW of Cobb, CaliforniaSun, Aug 31, 6:03 AM PDT · 14640 days ago · 0 km deep · 4 km away
27. 1.55 km SW of Cobb, CaliforniaSun, Aug 31, 12:08 PM PDT · 14639 days ago · 0 km deep · 1 km away
28. 2.115 km NNE of Angwin, CaliforniaMon, Sep 1, 3:34 PM PDT · 14638 days ago · 4 km deep · 33 km away
29. 2.63 km WNW of Cobb, CaliforniaTue, Sep 2, 6:11 AM PDT · 14638 days ago · 0 km deep · 6 km away
30. 2.13 km WNW of Cobb, CaliforniaTue, Sep 2, 6:17 AM PDT · 14638 days ago · 0 km deep · 6 km away
31. 2.73 km WNW of Cobb, CaliforniaTue, Sep 2, 8:26 AM PDT · 14638 days ago · 0 km deep · 6 km away
32. 1.75 km SW of Cobb, CaliforniaTue, Sep 2, 9:58 AM PDT · 14638 days ago · 0 km deep · 1 km away
33. 1.86 km W of Cobb, CaliforniaTue, Sep 2, 4:59 PM PDT · 14637 days ago · 3 km deep · 5 km away
34. 3.122 km W of Elk Creek, CaliforniaTue, Sep 2, 5:16 PM PDT · 14637 days ago · 30 km deep · 89 km away
35. 2.35 km WSW of Cobb, CaliforniaTue, Sep 2, 8:42 PM PDT · 14637 days ago · -1 km deep · 2 km away
36. 1.96 km WSW of Cobb, CaliforniaTue, Sep 2, 8:42 PM PDT · 14637 days ago · 0 km deep · 2 km away
37. 1.66 km ENE of Larkfield-Wikiup, CaliforniaTue, Sep 2, 9:51 PM PDT · 14637 days ago · 4 km deep · 29 km away
38. 1.55 km WSW of Cobb, CaliforniaWed, Sep 3, 4:38 AM PDT · 14637 days ago · 1 km deep · 3 km away
39. 2.85 km SW of Cobb, CaliforniaWed, Sep 3, 5:10 AM PDT · 14637 days ago · 0 km deep · 1 km away
40. 2.32 km WNW of Cobb, CaliforniaWed, Sep 3, 11:47 AM PDT · 14636 days ago · -1 km deep · 6 km away
41. 1.75 km SW of Cobb, CaliforniaWed, Sep 3, 5:25 PM PDT · 14636 days ago · 2 km deep · 2 km away
42. 1.913 km SE of Hidden Valley Lake, CaliforniaWed, Sep 3, 10:10 PM PDT · 14636 days ago · 5 km deep · 30 km away
43. 1.66 km W of Cobb, CaliforniaWed, Sep 3, 10:31 PM PDT · 14636 days ago · 3 km deep · 5 km away
44. 2.55 km SW of Cobb, CaliforniaThu, Sep 4, 7:27 AM PDT · 14636 days ago · 0 km deep · 1 km away
45. 1.74 km W of Cobb, CaliforniaThu, Sep 4, 8:40 PM PDT · 14635 days ago · 1 km deep · 5 km away
46. 2.37 km W of Cobb, CaliforniaFri, Sep 5, 7:12 AM PDT · 14635 days ago · 0 km deep · 6 km away
47. 2.94 km S of Cobb, CaliforniaFri, Sep 5, 7:37 AM PDT · 14635 days ago · 1 km deep · 4 km away
48. 1.83 km S of Cobb, CaliforniaFri, Sep 5, 7:47 AM PDT · 14635 days ago · 1 km deep · 4 km away
49. 3.46 km W of Cobb, CaliforniaFri, Sep 5, 11:13 AM PDT · 14634 days ago · 1 km deep · 5 km away
50. 3.46 km W of Cobb, CaliforniaFri, Sep 5, 11:13 AM PDT · 14634 days ago · -1 km deep · 6 km away
51. 1.76 km W of Cobb, CaliforniaFri, Sep 5, 11:44 AM PDT · 14634 days ago · 3 km deep · 5 km away
52. 1.52 km NW of Larkfield-Wikiup, CaliforniaSat, Sep 6, 10:06 PM PDT · 14633 days ago · 3 km deep · 27 km away
53. 1.84 km W of Cobb, CaliforniaSat, Sep 6, 10:50 PM PDT · 14633 days ago · 0 km deep · 5 km away
54. 1.95 km SW of Cobb, CaliforniaSun, Sep 7, 6:54 AM PDT · 14633 days ago · 2 km deep · 2 km away
55. 1.922 km NNE of Upper Lake, CaliforniaSun, Sep 7, 7:03 AM PDT · 14633 days ago · 13 km deep · 64 km away
56. 2.03 km WNW of Cobb, CaliforniaMon, Sep 8, 2:51 PM PDT · 14631 days ago · 0 km deep · 6 km away
57. 1.710 km E of Calpella, CaliforniaMon, Sep 8, 3:21 PM PDT · 14631 days ago · 2 km deep · 56 km away
58. 2.03 km W of Forestville, CaliforniaMon, Sep 8, 4:00 PM PDT · 14631 days ago · 0 km deep · 37 km away
59. 1.75 km WNW of Cobb, CaliforniaTue, Sep 9, 6:36 AM PDT · 14631 days ago · 1 km deep · 6 km away
60. 1.64 km W of Brooktrails, CaliforniaTue, Sep 9, 8:51 AM PDT · 14631 days ago · 4 km deep · 95 km away

The first 60 of 166.

Before

1. 2.05 km W of Cobb, CaliforniaTue, Aug 26, 2:52 AM PDT · 14645 days ago · 0 km deep · 4 km away
2. 1.76 km W of Cobb, CaliforniaTue, Aug 26, 2:44 AM PDT · 14645 days ago · 1 km deep · 6 km away
3. 2.88 km ESE of Point Arena, CaliforniaTue, Aug 26, 12:24 AM PDT · 14645 days ago · -1 km deep · 74 km away
4. 1.84 km SW of Cobb, CaliforniaMon, Aug 25, 7:49 AM PDT · 14646 days ago · 0 km deep · 2 km away
5. 2.17 km W of Cobb, CaliforniaMon, Aug 25, 2:59 AM PDT · 14646 days ago · 1 km deep · 6 km away
6. 2.57 km W of Cobb, CaliforniaMon, Aug 25, 12:35 AM PDT · 14646 days ago · 0 km deep · 6 km away
7. 1.87 km W of Cobb, CaliforniaMon, Aug 25, 12:34 AM PDT · 14646 days ago · 1 km deep · 6 km away
8. 1.76 km W of Cobb, CaliforniaSun, Aug 24, 10:17 PM PDT · 14646 days ago · 3 km deep · 5 km away
9. 2.03 km W of Cobb, CaliforniaSun, Aug 24, 5:14 PM PDT · 14646 days ago · 0 km deep · 5 km away
10. 1.64 km W of Cobb, CaliforniaSun, Aug 24, 3:30 PM PDT · 14646 days ago · 2 km deep · 6 km away
11. 2.33 km WNW of Cobb, CaliforniaSun, Aug 24, 3:24 PM PDT · 14646 days ago · 0 km deep · 6 km away
12. 1.85 km W of Cobb, CaliforniaSun, Aug 24, 11:25 AM PDT · 14646 days ago · 0 km deep · 4 km away
13. 3.07 km NNW of Geyserville, CaliforniaSat, Aug 23, 9:42 PM PDT · 14647 days ago · 30 km deep · 15 km away
14. 2.08 km W of Cobb, CaliforniaSat, Aug 23, 12:57 PM PDT · 14647 days ago · 1 km deep · 7 km away
15. 1.77 km W of Cobb, CaliforniaSat, Aug 23, 10:14 AM PDT · 14647 days ago · -1 km deep · 6 km away
16. 2.67 km NE of Cloverdale, CaliforniaFri, Aug 22, 12:39 PM PDT · 14648 days ago · 43 km deep · 19 km away
17. 2.67 km WSW of Cobb, CaliforniaFri, Aug 22, 2:08 AM PDT · 14649 days ago · 1 km deep · 5 km away
18. 2.96 km W of Cobb, CaliforniaWed, Aug 20, 6:01 PM PDT · 14650 days ago · 3 km deep · 6 km away
19. 2.25 km SW of Cobb, CaliforniaWed, Aug 20, 1:14 PM PDT · 14650 days ago · 1 km deep · 1 km away
20. 2.05 km SW of Cobb, CaliforniaTue, Aug 19, 7:41 PM PDT · 14651 days ago · 1 km deep · 1 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc80247. Read Wed, Sep 30, 2026, 4:42 AM UTC.