California earthquakes

M2.2 earthquake 5 km WSW of Cobb, California

A magnitude 2.2 earthquake struck 5 km WSW of Cobb, California on Sat, Oct 5, 1985, 1:38 PM PDT (20:38 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.4 7 km W of Cobb, 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
2.2 (md), micro
Local time
UTC
1985-10-05 20:38:23 UTC
Depth
1.4 km (0.9 mi), shallow
Epicenter
38.810° N, 122.781° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
43°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 176 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.97 km W of Cobb, California · 14947 days ago · 1 km deep · 3 km away
  2. 2.47 km W of Cobb, California · 14947 days ago · 1 km deep · 3 km away
  3. 1.66 km SW of Cobb, California · 14947 days ago · 0 km deep · 3 km away
  4. 2.48 km WSW of Cobb, California · 14946 days ago · 2 km deep · 3 km away
  5. 2.04 km WSW of Cobb, California · 14946 days ago · 1 km deep · 1 km away
  6. 1.810 km ESE of Boonville, California · 14946 days ago · 7 km deep · 45 km away
  7. 1.810 km ESE of Boonville, California · 14945 days ago · 6 km deep · 45 km away
  8. 1.99 km NE of Cloverdale, California · 14945 days ago · 4 km deep · 16 km away
  9. 2.15 km SW of Cobb, California · 14944 days ago · 0 km deep · 4 km away
  10. 1.85 km W of Cobb, California · 14944 days ago · 1 km deep · 1 km away
  11. 1.69 km SE of Hopland, California · 14944 days ago · 1 km deep · 25 km away
  12. 2.65 km E of Rohnert Park, California · 14944 days ago · 7 km deep · 53 km away
  13. 1.923 km WSW of Williams, California · 14943 days ago · 1 km deep · 44 km away
  14. 2.18 km W of Cobb, California · 14943 days ago · 1 km deep · 3 km away
  15. 1.68 km W of Cobb, California · 14943 days ago · 0 km deep · 3 km away
  16. 2.27 km W of Cobb, California · 14943 days ago · 3 km deep · 3 km away
  17. 2.25 km W of Cobb, California · 14943 days ago · 0 km deep · 1 km away
  18. 1.75 km WSW of Cobb, California · 14943 days ago · 0 km deep · 2 km away
  19. 1.910 km WSW of Cobb, California · 14942 days ago · 2 km deep · 6 km away
  20. 1.84 km WSW of Cobb, California · 14942 days ago · 1 km deep · 1 km away
  21. 1.66 km SW of Cobb, California · 14942 days ago · 0 km deep · 3 km away
  22. 1.527 km NNE of Potter Valley, California · 14942 days ago · 9 km deep · 84 km away
  23. 1.85 km SW of Cobb, California · 14942 days ago · -1 km deep · 3 km away
  24. 1.85 km SW of Cobb, California · 14941 days ago · 1 km deep · 3 km away
  25. 2.59 km W of Hopland, California · 14941 days ago · 5 km deep · 42 km away
  26. 1.67 km W of Cobb, California · 14941 days ago · 4 km deep · 2 km away
  27. 1.67 km WSW of Cobb, California · 14941 days ago · 2 km deep · 2 km away
  28. 1.95 km SW of Cobb, California · 14941 days ago · -1 km deep · 2 km away
  29. 1.65 km W of Arbuckle, California · 14940 days ago · 8 km deep · 61 km away
  30. 1.718 km NNE of Nice, California · 14940 days ago · 10 km deep · 50 km away
  31. 1.910 km WSW of Arbuckle, California · 14940 days ago · 13 km deep · 56 km away
  32. 1.710 km W of Cobb, California · 14939 days ago · 1 km deep · 5 km away
  33. 1.68 km W of Cobb, California · 14938 days ago · 0 km deep · 3 km away
  34. 1.68 km W of Cobb, California · 14938 days ago · 1 km deep · 3 km away
  35. 2.48 km NE of Hidden Valley Lake, California · 14937 days ago · 1 km deep · 25 km away
  36. 2.06 km WSW of Cobb, California · 14936 days ago · 1 km deep · 2 km away
  37. 1.74 km WSW of Cobb, California · 14936 days ago · 1 km deep · 1 km away
  38. 2.418 km E of Potter Valley, California · 14935 days ago · 6 km deep · 61 km away
  39. 2.28 km NE of Hidden Valley Lake, California · 14935 days ago · 0 km deep · 25 km away
  40. 2.67 km WSW of Cobb, California · 14935 days ago · 0 km deep · 2 km away
  41. 1.67 km W of Cobb, California · 14935 days ago · 3 km deep · 2 km away
  42. 2.18 km W of Cobb, California · 14935 days ago · -1 km deep · 4 km away
  43. 2.28 km W of Cobb, California · 14935 days ago · -1 km deep · 4 km away
  44. 1.79 km NNE of Brooktrails, California · 14934 days ago · 8 km deep · 92 km away
  45. 1.86 km SW of Cobb, California · 14934 days ago · 1 km deep · 4 km away
  46. 2.55 km SW of Cobb, California · 14933 days ago · 1 km deep · 3 km away
  47. 1.78 km NE of Hopland, California · 14933 days ago · 5 km deep · 34 km away
  48. 1.81 km N of Calpella, California · 14933 days ago · 7 km deep · 61 km away
  49. 1.714 km NE of Potter Valley, California · 14932 days ago · 6 km deep · 67 km away
  50. 2.07 km WSW of Cobb, California · 14930 days ago · 2 km deep · 2 km away
  51. 2.36 km W of Cobb, California · 14930 days ago · 4 km deep · 2 km away
  52. 1.65 km WSW of Cobb, California · 14929 days ago · 0 km deep · 2 km away
  53. 1.57 km ENE of Penngrove, California · 14929 days ago · 8 km deep · 56 km away
  54. 1.83 km SW of Cobb, California · 14929 days ago · 1 km deep · 3 km away
  55. 1.84 km W of Upper Lake, California · 14929 days ago · 5 km deep · 43 km away
  56. 1.57 km W of Cobb, California · 14929 days ago · 3 km deep · 3 km away
  57. 2.23 km WSW of Green Valley, California · 14929 days ago · 7 km deep · 81 km away
  58. 1.91 km ENE of Green Valley, California · 14929 days ago · 12 km deep · 82 km away
  59. 1.91 km SW of Lakeport, California · 14929 days ago · 22 km deep · 28 km away
  60. 1.56 km W of Cobb, California · 14929 days ago · 3 km deep · 2 km away

The first 60 of 176.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc56262. Read Tue, Sep 22, 2026, 8:11 PM UTC.