California earthquakes

M2.6 earthquake 7 km WSW of Cobb, California

A magnitude 2.6 earthquake struck 7 km WSW of Cobb, California on Sun, Nov 23, 1986, 7:07 AM PST (15:07 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.7 9 km E of Hidden Valley Lake, California. This one was a foreshock.

Cobb 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
2.6 (md), micro
Local time
UTC
1986-11-23 15:07:03 UTC
Depth
-0.4 km (-0.3 mi), shallow
Epicenter
38.801° N, 122.810° 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 0.7 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
64°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.54 km SW of Cobb, California · 14528 days ago · 3 km deep · 4 km away
  2. 1.78 km ESE of Hidden Valley Lake, California · 14528 days ago · 8 km deep · 30 km away
  3. 1.79 km ESE of Hidden Valley Lake, California · 14527 days ago · 8 km deep · 31 km away
  4. 1.810 km ESE of Hidden Valley Lake, California · 14527 days ago · 9 km deep · 31 km away
  5. 1.85 km SSW of Cobb, California · 14527 days ago · 1 km deep · 6 km away
  6. 2.79 km E of Hidden Valley Lake, California · 14527 days ago · 11 km deep · 31 km away
  7. 3.38 km E of Hidden Valley Lake, California · 14527 days ago · 9 km deep · 30 km away
  8. 3.38 km E of Hidden Valley Lake, California · 14527 days ago · 9 km deep · 30 km away
  9. 2.98 km E of Hidden Valley Lake, California · 14527 days ago · 7 km deep · 30 km away
  10. 2.58 km ESE of Hidden Valley Lake, California · 14527 days ago · 7 km deep · 30 km away
  11. 1.99 km ESE of Hidden Valley Lake, California · 14527 days ago · 7 km deep · 30 km away
  12. 1.89 km ESE of Hidden Valley Lake, California · 14527 days ago · 7 km deep · 31 km away
  13. 1.57 km E of Hidden Valley Lake, California · 14526 days ago · 8 km deep · 29 km away
  14. 2.29 km ESE of Hidden Valley Lake, California · 14526 days ago · 8 km deep · 31 km away
  15. 1.78 km E of Hidden Valley Lake, California · 14526 days ago · 8 km deep · 30 km away
  16. 1.58 km E of Hidden Valley Lake, California · 14526 days ago · 7 km deep · 30 km away
  17. 2.98 km E of Hidden Valley Lake, California · 14526 days ago · 9 km deep · 30 km away
  18. 1.88 km ESE of Hidden Valley Lake, California · 14526 days ago · 7 km deep · 30 km away
  19. 1.88 km ESE of Hidden Valley Lake, California · 14526 days ago · 7 km deep · 30 km away
  20. 1.88 km E of Hidden Valley Lake, California · 14526 days ago · 6 km deep · 30 km away
  21. 2.67 km E of Hidden Valley Lake, California · 14526 days ago · 7 km deep · 29 km away
  22. 2.18 km E of Hidden Valley Lake, California · 14526 days ago · 10 km deep · 30 km away
  23. 2.16 km W of Cobb, California · 14526 days ago · -1 km deep · 1 km away
  24. 1.67 km W of Cobb, California · 14526 days ago · 3 km deep · 1 km away
  25. 1.68 km ESE of Hidden Valley Lake, California · 14526 days ago · 7 km deep · 30 km away
  26. 1.68 km W of Cobb, California · 14526 days ago · -1 km deep · 2 km away
  27. 1.89 km ESE of Hidden Valley Lake, California · 14526 days ago · 7 km deep · 31 km away
  28. 2.04 km SW of Cobb, California · 14526 days ago · 1 km deep · 5 km away
  29. 2.09 km ESE of Hidden Valley Lake, California · 14525 days ago · 7 km deep · 30 km away
  30. 1.88 km ESE of Hidden Valley Lake, California · 14525 days ago · 7 km deep · 30 km away
  31. 2.88 km E of Hidden Valley Lake, California · 14525 days ago · 11 km deep · 30 km away
  32. 1.810 km NNE of Angwin, California · 14525 days ago · 2 km deep · 39 km away
  33. 1.62 km E of Larkfield-Wikiup, California · 14525 days ago · 8 km deep · 33 km away
  34. 3.09 km ESE of Hidden Valley Lake, California · 14525 days ago · 8 km deep · 31 km away
  35. 2.77 km W of Cobb, California · 14525 days ago · 1 km deep · 1 km away
  36. 2.57 km WSW of Cobb, California · 14525 days ago · 1 km deep · 0 km away
  37. 2.57 km E of Hidden Valley Lake, California · 14525 days ago · 9 km deep · 30 km away
  38. 1.78 km ESE of Hidden Valley Lake, California · 14524 days ago · 7 km deep · 30 km away
  39. 1.88 km ESE of Hidden Valley Lake, California · 14524 days ago · 7 km deep · 30 km away
  40. 1.718 km ENE of Potter Valley, California · 14524 days ago · 5 km deep · 62 km away
  41. 2.76 km SW of Cobb, California · 14524 days ago · 0 km deep · 4 km away
  42. 1.77 km E of Geyserville, California · 14523 days ago · 2 km deep · 11 km away
  43. 1.98 km ESE of Hidden Valley Lake, California · 14523 days ago · 7 km deep · 30 km away
  44. 1.69 km NW of Cobb, California · 14523 days ago · 1 km deep · 8 km away
  45. 1.98 km ESE of Hidden Valley Lake, California · 14523 days ago · 7 km deep · 30 km away
  46. 1.96 km ENE of Sonoma, California · 14522 days ago · 10 km deep · 66 km away
  47. 1.66 km W of Cobb, California · 14522 days ago · 3 km deep · 3 km away
  48. 2.5Northern California · 14522 days ago · 9 km deep · 77 km away
  49. 1.87 km WSW of Cobb, California · 14521 days ago · 0 km deep · 0 km away
  50. 2.58 km E of Willits, California · 14521 days ago · 8 km deep · 77 km away
  51. 1.88 km ESE of Hidden Valley Lake, California · 14521 days ago · 6 km deep · 30 km away
  52. 2.17 km ENE of Napa, California · 14521 days ago · 4 km deep · 73 km away
  53. 1.86 km N of Green Valley, California · 14521 days ago · 10 km deep · 78 km away
  54. 2.16 km SW of Cobb, California · 14521 days ago · 1 km deep · 4 km away
  55. 1.66 km W of Cobb, California · 14521 days ago · 3 km deep · 2 km away
  56. 1.75 km W of Cobb, California · 14521 days ago · -1 km deep · 4 km away
  57. 2.06 km W of Cobb, California · 14520 days ago · 0 km deep · 4 km away
  58. 1.86 km WNW of Cobb, California · 14520 days ago · -1 km deep · 4 km away
  59. 1.56 km W of Cobb, California · 14520 days ago · 1 km deep · 4 km away
  60. 1.76 km W of Cobb, California · 14520 days ago · -1 km deep · 2 km away

The first 60 of 182.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1145475. Read Tue, Sep 22, 2026, 11:17 AM UTC.