California earthquakes

M2.2 earthquake 8 km W of Cobb, California

A magnitude 2.2 earthquake struck 8 km W of Cobb, California on Fri, Jan 4, 1985, 4:05 AM PST (12:05 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.3 6 km WSW 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
1985-01-04 12:05:10 UTC
Depth
0.5 km (0.3 mi), shallow
Epicenter
38.832° N, 122.818° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
46°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 195 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.56 km W of Cobb, California · 15226 days ago · 1 km deep · 3 km away
  2. 1.96 km WSW of Cobb, California · 15226 days ago · 3 km deep · 3 km away
  3. 1.96 km W of Cobb, California · 15226 days ago · -1 km deep · 2 km away
  4. 1.77 km W of Cobb, California · 15226 days ago · 3 km deep · 2 km away
  5. 1.76 km WSW of Cobb, California · 15225 days ago · 1 km deep · 3 km away
  6. 2.36 km WSW of Cobb, California · 15225 days ago · 1 km deep · 4 km away
  7. 1.66 km WSW of Cobb, California · 15225 days ago · 0 km deep · 4 km away
  8. 1.72 km W of Sea Ranch, California · 15225 days ago · 4 km deep · 59 km away
  9. 2.63 km NW of Cobb, California · 15225 days ago · 0 km deep · 6 km away
  10. 1.56 km W of Cobb, California · 15225 days ago · 1 km deep · 2 km away
  11. 1.64 km ENE of Willits, California · 15225 days ago · 2 km deep · 78 km away
  12. 1.67 km WSW of Cobb, California · 15224 days ago · 1 km deep · 3 km away
  13. 1.75 km WSW of Cobb, California · 15224 days ago · 0 km deep · 3 km away
  14. 1.9Northern California · 15223 days ago · 1 km deep · 2 km away
  15. 1.97 km W of Cobb, California · 15222 days ago · 3 km deep · 2 km away
  16. 1.81 km S of Hopland, California · 15221 days ago · 21 km deep · 30 km away
  17. 2.26 km W of Cobb, California · 15221 days ago · 2 km deep · 2 km away
  18. 1.714 km NNE of Angwin, California · 15221 days ago · 13 km deep · 42 km away
  19. 1.77 km WSW of Cobb, California · 15220 days ago · 3 km deep · 3 km away
  20. 1.614 km SSW of Hopland, California · 15220 days ago · 12 km deep · 34 km away
  21. 1.74 km WSW of Cobb, California · 15220 days ago · 1 km deep · 5 km away
  22. 1.62 km SE of Hopland, California · 15219 days ago · 10 km deep · 28 km away
  23. 1.65 km SSW of Hopland, California · 15219 days ago · 2 km deep · 29 km away
  24. 1.912 km W of Cobb, California · 15219 days ago · -1 km deep · 4 km away
  25. 1.76 km W of Cobb, California · 15219 days ago · 0 km deep · 2 km away
  26. 3.56 km W of Cobb, California · 15218 days ago · 1 km deep · 3 km away
  27. 2.66 km W of Cobb, California · 15218 days ago · 1 km deep · 3 km away
  28. 1.76 km W of Cobb, California · 15218 days ago · 0 km deep · 3 km away
  29. 1.96 km W of Cobb, California · 15218 days ago · 2 km deep · 3 km away
  30. 1.58 km WSW of Cobb, California · 15218 days ago · 4 km deep · 5 km away
  31. 1.87 km W of Cobb, California · 15218 days ago · 3 km deep · 2 km away
  32. 1.85 km SW of Cobb, California · 15218 days ago · 1 km deep · 7 km away
  33. 3.16 km WSW of Cobb, California · 15218 days ago · 0 km deep · 4 km away
  34. 1.57 km WSW of Cobb, California · 15218 days ago · 1 km deep · 4 km away
  35. 1.98 km ENE of Hopland, California · 15218 days ago · 22 km deep · 27 km away
  36. 2.37 km WSW of Cobb, California · 15218 days ago · 0 km deep · 3 km away
  37. 2.57 km WSW of Cobb, California · 15218 days ago · 0 km deep · 4 km away
  38. 1.67 km WSW of Cobb, California · 15218 days ago · 1 km deep · 3 km away
  39. 2.07 km WSW of Cobb, California · 15218 days ago · 1 km deep · 3 km away
  40. 1.76 km W of Cobb, California · 15218 days ago · 3 km deep · 2 km away
  41. 1.67 km W of Cobb, California · 15217 days ago · 3 km deep · 2 km away
  42. 1.66 km W of Cobb, California · 15217 days ago · 3 km deep · 2 km away
  43. 2.77 km W of Cobb, California · 15217 days ago · 1 km deep · 1 km away
  44. 1.86 km W of Cobb, California · 15217 days ago · 3 km deep · 3 km away
  45. 1.920 km NNE of Potter Valley, California · 15217 days ago · 7 km deep · 75 km away
  46. 2.07 km WSW of Cobb, California · 15217 days ago · 1 km deep · 4 km away
  47. 1.511 km NNE of Angwin, California · 15216 days ago · 1 km deep · 40 km away
  48. 1.56 km W of Cobb, California · 15216 days ago · 3 km deep · 2 km away
  49. 2.86 km W of Cobb, California · 15216 days ago · 3 km deep · 2 km away
  50. 1.97 km WSW of Cobb, California · 15216 days ago · 2 km deep · 3 km away
  51. 1.97 km NNE of Geyserville, California · 15215 days ago · 2 km deep · 9 km away
  52. 1.86 km W of Cobb, California · 15214 days ago · 0 km deep · 2 km away
  53. 1.67 km W of Cobb, California · 15214 days ago · 1 km deep · 2 km away
  54. 2.07 km W of Cobb, California · 15214 days ago · 3 km deep · 2 km away
  55. 1.76 km W of Cobb, California · 15214 days ago · 1 km deep · 2 km away
  56. 1.67 km W of Cobb, California · 15214 days ago · 4 km deep · 2 km away
  57. 3.25 km NNW of Geyserville, California · 15214 days ago · 4 km deep · 13 km away
  58. 2.86 km WNW of Cobb, California · 15214 days ago · 0 km deep · 2 km away
  59. 1.53 km ENE of Willits, California · 15213 days ago · 7 km deep · 79 km away
  60. 1.87 km W of Cobb, California · 15213 days ago · 4 km deep · 2 km away

The first 60 of 195.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc36307. Read Tue, Sep 22, 2026, 4:10 PM UTC.