California earthquakes

M1.6 earthquake 7 km NNE of Geyserville, California

A magnitude 1.6 earthquake struck 7 km NNE of Geyserville, California on Tue, Jan 29, 1985, 10:30 AM PST (18:30 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.0 7 km WSW of Cobb, California. This one was a foreshock.

Geyserville 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
1.6 (md), micro
Local time
UTC
1985-01-29 18:30:09 UTC
Depth
2.3 km (1.4 mi), shallow
Epicenter
38.770° N, 122.881° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
50°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.07 km WSW of Cobb, California · 15194 days ago · 0 km deep · 8 km away
  2. 2.922 km NNE of Potter Valley, California · 15194 days ago · 7 km deep · 81 km away
  3. 2.022 km NNE of Potter Valley, California · 15194 days ago · 7 km deep · 81 km away
  4. 1.68 km W of Cobb, California · 15194 days ago · 0 km deep · 7 km away
  5. 1.75 km SW of Cobb, California · 15193 days ago · 1 km deep · 10 km away
  6. 2.37 km W of Cobb, California · 15193 days ago · 1 km deep · 9 km away
  7. 2.75 km SW of Cobb, California · 15193 days ago · 1 km deep · 11 km away
  8. 2.07 km W of Cobb, California · 15193 days ago · 3 km deep · 8 km away
  9. 1.69 km ESE of Hidden Valley Lake, California · 15193 days ago · 6 km deep · 37 km away
  10. 1.81 km SE of Clearlake, California · 15193 days ago · 9 km deep · 30 km away
  11. 2.17 km W of Cobb, California · 15192 days ago · 4 km deep · 8 km away
  12. 1.88 km WSW of Cobb, California · 15191 days ago · 3 km deep · 7 km away
  13. 1.63 km ENE of Redwood Valley, California · 15191 days ago · 4 km deep · 62 km away
  14. 1.96 km W of Cobb, California · 15191 days ago · 4 km deep · 10 km away
  15. 1.66 km WSW of Cobb, California · 15191 days ago · 3 km deep · 8 km away
  16. 2.36 km WSW of Cobb, California · 15191 days ago · 3 km deep · 8 km away
  17. 1.75 km SW of Cobb, California · 15190 days ago · 1 km deep · 11 km away
  18. 2.08 km WSW of Cobb, California · 15190 days ago · 3 km deep · 7 km away
  19. 2.05 km E of Hopland, California · 15190 days ago · 0 km deep · 27 km away
  20. 1.65 km SW of Cobb, California · 15189 days ago · 1 km deep · 10 km away
  21. 2.113 km N of Upper Lake, California · 15189 days ago · 12 km deep · 57 km away
  22. 1.95 km SW of Cobb, California · 15189 days ago · 0 km deep · 10 km away
  23. 2.53 km SSW of Cobb, California · 15189 days ago · 1 km deep · 12 km away
  24. 1.68 km W of Cobb, California · 15189 days ago · 0 km deep · 8 km away
  25. 1.66 km WSW of Cobb, California · 15188 days ago · 1 km deep · 9 km away
  26. 1.9Northern California · 15188 days ago · 3 km deep · 20 km away
  27. 2.25 km W of Cobb, California · 15188 days ago · 0 km deep · 10 km away
  28. 2.03 km NNE of Cloverdale, California · 15188 days ago · 3 km deep · 13 km away
  29. 1.86 km W of Cobb, California · 15188 days ago · 2 km deep · 9 km away
  30. 2.04 km SW of Clear Lake Riviera, California · 15187 days ago · 2 km deep · 21 km away
  31. 1.56 km WSW of Cobb, California · 15186 days ago · 1 km deep · 8 km away
  32. 2.17 km WSW of Cobb, California · 15186 days ago · 4 km deep · 7 km away
  33. 1.67 km WSW of Cobb, California · 15186 days ago · 1 km deep · 8 km away
  34. 1.5Northern California · 15186 days ago · 1 km deep · 9 km away
  35. 2.16 km W of Cobb, California · 15185 days ago · 3 km deep · 9 km away
  36. 2.47 km W of Cobb, California · 15185 days ago · 3 km deep · 8 km away
  37. 1.76 km ENE of Santa Rosa, California · 15185 days ago · 10 km deep · 40 km away
  38. 2.03 km W of Forestville, California · 15184 days ago · 0 km deep · 33 km away
  39. 2.78 km W of Cobb, California · 15184 days ago · 0 km deep · 8 km away
  40. 1.87 km W of Cobb, California · 15184 days ago · -1 km deep · 8 km away
  41. 3.110 km NW of Cobb, California · 15184 days ago · 8 km deep · 15 km away
  42. 2.34 km WSW of Cobb, California · 15183 days ago · 1 km deep · 10 km away
  43. 2.24 km NNE of Clearlake, California · 15183 days ago · 1 km deep · 35 km away
  44. 2.04 km NNE of Clearlake, California · 15183 days ago · 1 km deep · 34 km away
  45. 1.79 km ESE of Black Point-Green Point, California · 15183 days ago · 14 km deep · 86 km away
  46. 1.66 km W of Cobb, California · 15183 days ago · 3 km deep · 9 km away
  47. 1.86 km NW of North Lakeport, California · 15182 days ago · 1 km deep · 40 km away
  48. 1.86 km W of Cobb, California · 15182 days ago · 3 km deep · 10 km away
  49. 1.87 km WSW of Cobb, California · 15182 days ago · 1 km deep · 8 km away
  50. 2.45 km SW of Cobb, California · 15181 days ago · 2 km deep · 10 km away
  51. 1.76 km NW of North Lakeport, California · 15181 days ago · 5 km deep · 40 km away
  52. 2.38 km W of Cobb, California · 15181 days ago · 0 km deep · 7 km away
  53. 1.98 km W of Cobb, California · 15181 days ago · 0 km deep · 7 km away
  54. 2.52 km SSE of Clear Lake Riviera, California · 15181 days ago · 1 km deep · 23 km away
  55. 1.90 km NNE of Clearlake, California · 15180 days ago · 4 km deep · 31 km away
  56. 1.5Northern California · 15180 days ago · -1 km deep · 22 km away
  57. 2.15 km SW of Cobb, California · 15180 days ago · 1 km deep · 11 km away
  58. 1.67 km W of Cobb, California · 15180 days ago · 3 km deep · 8 km away
  59. 1.64 km WSW of Cobb, California · 15180 days ago · 1 km deep · 10 km away
  60. 1.53 km ESE of Kenwood, California · 15179 days ago · 8 km deep · 53 km away

The first 60 of 189.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc39166. Read Tue, Sep 22, 2026, 9:30 PM UTC.