California earthquakes

M3.6 earthquake 6 km E of Talmage, California

A magnitude 3.6 earthquake struck 6 km E of Talmage, California on Tue, Aug 26, 1986, 8:27 AM PDT (15:27 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.5 26 km NE of Potter Valley, California. This one was a foreshock.

Talmage forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.6 (md), minor
Local time
UTC
1986-08-26 15:27:29 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
39.128° N, 123.087° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.5 km horizontally, 17.8 km in depth
Magnitude uncertainty
±0.70
Depth from
From location
Station coverage gap
153°
Stations used
4

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 95 in the 30 days before it.

After

  1. 1.75 km W of Middletown, California · 14641 days ago · 7 km deep · 54 km away
  2. 1.70 km WNW of Redwood Valley, California · 14641 days ago · 6 km deep · 19 km away
  3. 1.64 km W of Cobb, California · 14641 days ago · 1 km deep · 43 km away
  4. 4.015 km W of Albion, California · 14640 days ago · 4 km deep · 74 km away
  5. 2.07 km W of Cobb, California · 14640 days ago · 1 km deep · 43 km away
  6. 1.67 km W of Cobb, California · 14640 days ago · 3 km deep · 42 km away
  7. 1.64 km W of Cobb, California · 14640 days ago · 1 km deep · 43 km away
  8. 2.05 km WSW of Cobb, California · 14639 days ago · -1 km deep · 44 km away
  9. 1.64 km SW of Cobb, California · 14639 days ago · -1 km deep · 47 km away
  10. 1.76 km SW of Cobb, California · 14639 days ago · 0 km deep · 47 km away
  11. 1.96 km W of Cobb, California · 14639 days ago · 1 km deep · 42 km away
  12. 1.84 km SW of Glen Ellen, California · 14639 days ago · 5 km deep · 99 km away
  13. 1.97 km NNW of Redwood Valley, California · 14639 days ago · 2 km deep · 25 km away
  14. 2.12 km NNW of Larkfield-Wikiup, California · 14638 days ago · 8 km deep · 72 km away
  15. 1.79 km NNE of Larkfield-Wikiup, California · 14638 days ago · 4 km deep · 68 km away
  16. 2.08 km ESE of Hopland, California · 14638 days ago · 3 km deep · 22 km away
  17. 1.88 km W of Cobb, California · 14638 days ago · 2 km deep · 42 km away
  18. 1.710 km W of Cobb, California · 14638 days ago · -1 km deep · 40 km away
  19. 2.05 km WSW of Cobb, California · 14638 days ago · 0 km deep · 45 km away
  20. 1.75 km WSW of Cobb, California · 14638 days ago · 0 km deep · 45 km away
  21. 1.66 km WSW of Cobb, California · 14637 days ago · 1 km deep · 44 km away
  22. 2.56 km W of Cobb, California · 14637 days ago · 3 km deep · 42 km away
  23. 1.96 km WSW of Cobb, California · 14637 days ago · 0 km deep · 44 km away
  24. 1.55 km SW of Cobb, California · 14636 days ago · 0 km deep · 47 km away
  25. 2.115 km NNE of Angwin, California · 14635 days ago · 4 km deep · 76 km away
  26. 2.63 km WNW of Cobb, California · 14635 days ago · 0 km deep · 43 km away
  27. 2.13 km WNW of Cobb, California · 14635 days ago · 0 km deep · 43 km away
  28. 2.73 km WNW of Cobb, California · 14634 days ago · 0 km deep · 43 km away
  29. 1.75 km SW of Cobb, California · 14634 days ago · 0 km deep · 48 km away
  30. 1.86 km W of Cobb, California · 14634 days ago · 3 km deep · 43 km away
  31. 3.122 km W of Elk Creek, California · 14634 days ago · 30 km deep · 56 km away
  32. 2.015 km SSE of Flournoy, California · 14634 days ago · 4 km deep · 95 km away
  33. 2.35 km WSW of Cobb, California · 14634 days ago · -1 km deep · 46 km away
  34. 1.96 km WSW of Cobb, California · 14634 days ago · 0 km deep · 46 km away
  35. 1.66 km ENE of Larkfield-Wikiup, California · 14634 days ago · 4 km deep · 75 km away
  36. 1.55 km WSW of Cobb, California · 14634 days ago · 1 km deep · 45 km away
  37. 2.85 km SW of Cobb, California · 14634 days ago · 0 km deep · 47 km away
  38. 2.32 km WNW of Cobb, California · 14633 days ago · -1 km deep · 44 km away
  39. 1.75 km SW of Cobb, California · 14633 days ago · 2 km deep · 46 km away
  40. 1.913 km SE of Hidden Valley Lake, California · 14633 days ago · 5 km deep · 72 km away
  41. 1.66 km W of Cobb, California · 14633 days ago · 3 km deep · 43 km away
  42. 2.55 km SW of Cobb, California · 14632 days ago · 0 km deep · 48 km away
  43. 1.74 km W of Cobb, California · 14632 days ago · 1 km deep · 43 km away
  44. 2.37 km W of Cobb, California · 14631 days ago · 0 km deep · 42 km away
  45. 2.94 km S of Cobb, California · 14631 days ago · 1 km deep · 49 km away
  46. 1.83 km S of Cobb, California · 14631 days ago · 1 km deep · 49 km away
  47. 3.46 km W of Cobb, California · 14631 days ago · 1 km deep · 43 km away
  48. 3.46 km W of Cobb, California · 14631 days ago · -1 km deep · 42 km away
  49. 1.76 km W of Cobb, California · 14631 days ago · 3 km deep · 42 km away
  50. 1.52 km NW of Larkfield-Wikiup, California · 14630 days ago · 3 km deep · 72 km away
  51. 1.84 km W of Cobb, California · 14630 days ago · 0 km deep · 43 km away
  52. 1.95 km SW of Cobb, California · 14629 days ago · 2 km deep · 46 km away
  53. 1.922 km NNE of Upper Lake, California · 14629 days ago · 13 km deep · 33 km away
  54. 2.03 km WNW of Cobb, California · 14628 days ago · 0 km deep · 43 km away
  55. 1.710 km E of Calpella, California · 14628 days ago · 2 km deep · 10 km away
  56. 2.03 km W of Forestville, California · 14628 days ago · 0 km deep · 74 km away
  57. 1.75 km WNW of Cobb, California · 14628 days ago · 1 km deep · 42 km away
  58. 1.64 km W of Brooktrails, California · 14627 days ago · 4 km deep · 47 km away
  59. 1.97 km WSW of Cobb, California · 14627 days ago · 2 km deep · 43 km away
  60. 2.018 km NE of Upper Lake, California · 14626 days ago · 4 km deep · 33 km away

The first 60 of 170.

Before

  1. 2.26 km SW of Cobb, California · 14642 days ago · 1 km deep · 48 km away
  2. 2.05 km W of Cobb, California · 14642 days ago · 0 km deep · 43 km away
  3. 1.76 km W of Cobb, California · 14642 days ago · 1 km deep · 42 km away
  4. 2.88 km ESE of Point Arena, California · 14642 days ago · -1 km deep · 53 km away
  5. 2.19 km SE of Covelo, California · 14642 days ago · 4 km deep · 68 km away
  6. 1.84 km SW of Cobb, California · 14642 days ago · 0 km deep · 46 km away
  7. 2.17 km W of Cobb, California · 14643 days ago · 1 km deep · 42 km away
  8. 2.57 km W of Cobb, California · 14643 days ago · 0 km deep · 42 km away
  9. 1.87 km W of Cobb, California · 14643 days ago · 1 km deep · 42 km away
  10. 1.76 km W of Cobb, California · 14643 days ago · 3 km deep · 43 km away
  11. 2.03 km W of Cobb, California · 14643 days ago · 0 km deep · 44 km away
  12. 1.64 km W of Cobb, California · 14643 days ago · 2 km deep · 43 km away
  13. 2.33 km WNW of Cobb, California · 14643 days ago · 0 km deep · 43 km away
  14. 1.85 km W of Cobb, California · 14643 days ago · 0 km deep · 43 km away
  15. 3.07 km NNW of Geyserville, California · 14644 days ago · 30 km deep · 42 km away
  16. 2.08 km W of Cobb, California · 14644 days ago · 1 km deep · 41 km away
  17. 1.77 km W of Cobb, California · 14644 days ago · -1 km deep · 41 km away
  18. 2.67 km NE of Cloverdale, California · 14645 days ago · 43 km deep · 32 km away
  19. 2.67 km WSW of Cobb, California · 14646 days ago · 1 km deep · 43 km away
  20. 2.96 km W of Cobb, California · 14647 days ago · 3 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1142921. Read Sun, Sep 27, 2026, 1:05 AM UTC.