California earthquakes

M2.1 earthquake 6 km W of Cobb, California

A magnitude 2.1 earthquake struck 6 km W of Cobb, California on Thu, Jan 10, 1985, 5:07 PM PST (01:07 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.2 5 km NNW of Geyserville, 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
2.1 (md), micro
Local time
UTC
1985-01-11 01:07:32 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
38.820° N, 122.794° 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, 0.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
39°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.25 km NNW of Geyserville, California · 15214 days ago · 4 km deep · 14 km away
  2. 2.86 km WNW of Cobb, California · 15214 days ago · 0 km deep · 2 km away
  3. 1.53 km ENE of Willits, California · 15213 days ago · 7 km deep · 81 km away
  4. 1.87 km W of Cobb, California · 15213 days ago · 4 km deep · 1 km away
  5. 1.66 km W of Cobb, California · 15213 days ago · 3 km deep · 1 km away
  6. 1.59 km W of Cobb, California · 15212 days ago · 2 km deep · 3 km away
  7. 1.84 km WSW of Cobb, California · 15212 days ago · 1 km deep · 3 km away
  8. 2.67 km WSW of Cobb, California · 15212 days ago · 4 km deep · 2 km away
  9. 1.75 km W of Calpella, California · 15212 days ago · 2 km deep · 61 km away
  10. 1.77 km WSW of Cobb, California · 15212 days ago · 2 km deep · 2 km away
  11. 1.67 km NNE of Geyserville, California · 15211 days ago · 2 km deep · 9 km away
  12. 1.64 km E of Hopland, California · 15211 days ago · 26 km deep · 30 km away
  13. 1.63 km E of Hopland, California · 15211 days ago · 23 km deep · 30 km away
  14. 2.46 km SW of Cobb, California · 15210 days ago · 2 km deep · 5 km away
  15. 1.76 km W of Cobb, California · 15210 days ago · 3 km deep · 0 km away
  16. 3.17 km W of Cobb, California · 15210 days ago · 4 km deep · 1 km away
  17. 2.47 km W of Cobb, California · 15210 days ago · 4 km deep · 1 km away
  18. 1.818 km ENE of Potter Valley, California · 15210 days ago · 9 km deep · 65 km away
  19. 2.55 km SW of Cobb, California · 15210 days ago · 1 km deep · 4 km away
  20. 1.86 km W of Cobb, California · 15210 days ago · 3 km deep · 0 km away
  21. 1.56 km SSW of Hopland, California · 15209 days ago · 0 km deep · 33 km away
  22. 2.13 km SW of Cobb, California · 15209 days ago · 1 km deep · 5 km away
  23. 1.67 km W of Cobb, California · 15208 days ago · 4 km deep · 2 km away
  24. 1.61 km SW of Redwood Valley, California · 15208 days ago · 3 km deep · 60 km away
  25. 2.04 km WSW of Cobb, California · 15208 days ago · 1 km deep · 3 km away
  26. 1.95 km NNW of Geyserville, California · 15207 days ago · 5 km deep · 14 km away
  27. 1.66 km E of Willits, California · 15207 days ago · 5 km deep · 78 km away
  28. 1.77 km WSW of Cobb, California · 15206 days ago · 4 km deep · 2 km away
  29. 1.95 km ENE of Clearlake, California · 15206 days ago · 1 km deep · 26 km away
  30. 1.65 km SSW of Cobb, California · 15206 days ago · 1 km deep · 5 km away
  31. 2.45 km E of Redwood Valley, California · 15206 days ago · 7 km deep · 57 km away
  32. 1.56 km W of Cobb, California · 15205 days ago · 3 km deep · 1 km away
  33. 1.611 km SSW of Kelseyville, California · 15203 days ago · 9 km deep · 10 km away
  34. 1.97 km WSW of Cobb, California · 15203 days ago · 1 km deep · 3 km away
  35. 1.68 km ENE of Willits, California · 15203 days ago · 9 km deep · 80 km away
  36. 1.74 km W of Cobb, California · 15203 days ago · -1 km deep · 2 km away
  37. 2.25 km SW of Cobb, California · 15203 days ago · 0 km deep · 5 km away
  38. 1.611 km ESE of Hidden Valley Lake, California · 15203 days ago · 0 km deep · 32 km away
  39. 1.66 km W of Cobb, California · 15203 days ago · 3 km deep · 0 km away
  40. 1.85 km W of Cobb, California · 15203 days ago · 0 km deep · 0 km away
  41. 1.69 km E of Willits, California · 15203 days ago · 8 km deep · 76 km away
  42. 2.03 km SW of Cobb, California · 15202 days ago · 1 km deep · 5 km away
  43. 1.62 km SW of Cobb, California · 15202 days ago · 4 km deep · 5 km away
  44. 2.08 km W of Cobb, California · 15202 days ago · 1 km deep · 2 km away
  45. 1.613 km SE of Hidden Valley Lake, California · 15201 days ago · -1 km deep · 33 km away
  46. 2.45 km WSW of Cobb, California · 15201 days ago · 0 km deep · 3 km away
  47. 2.25 km SW of Cobb, California · 15201 days ago · 0 km deep · 4 km away
  48. 1.512 km S of Kelseyville, California · 15200 days ago · -1 km deep · 8 km away
  49. 1.74 km NNE of Lucerne, California · 15200 days ago · 17 km deep · 35 km away
  50. 1.94 km W of Cobb, California · 15200 days ago · 0 km deep · 1 km away
  51. 2.17 km WSW of Cobb, California · 15199 days ago · 2 km deep · 2 km away
  52. 2.07 km WSW of Cobb, California · 15199 days ago · 2 km deep · 2 km away
  53. 2.53 km NNE of Clearlake, California · 15199 days ago · 0 km deep · 24 km away
  54. 1.84 km W of Cobb, California · 15199 days ago · 0 km deep · 1 km away
  55. 1.67 km W of Cobb, California · 15199 days ago · 3 km deep · 1 km away
  56. 2.14 km WSW of Cobb, California · 15198 days ago · 1 km deep · 3 km away
  57. 1.813 km N of Brooktrails, California · 15198 days ago · 4 km deep · 97 km away
  58. 2.15 km SW of Cobb, California · 15198 days ago · 1 km deep · 4 km away
  59. 1.56 km W of Cobb, California · 15197 days ago · 3 km deep · 0 km away
  60. 2.76 km WNW of Cobb, California · 15197 days ago · 0 km deep · 2 km away

The first 60 of 192.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc37043. Read Tue, Sep 22, 2026, 4:16 PM UTC.