California earthquakes

M1.7 earthquake 5 km WSW of Cobb, California

A magnitude 1.7 earthquake struck 5 km WSW of Cobb, California on Mon, Nov 11, 1985, 7:22 PM PST (03:22 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M1.8 7 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
1.7 (md), micro
Local time
UTC
1985-11-12 03:22:44 UTC
Depth
-0.2 km (-0.1 mi), shallow
Epicenter
38.798° N, 122.778° 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
±0.25
Depth from
From location
Station coverage gap
67°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 177 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.87 km WSW of Cobb, California · 14909 days ago · 0 km deep · 2 km away
  2. 1.64 km SW of Cobb, California · 14908 days ago · 1 km deep · 2 km away
  3. 1.97 km W of Cobb, California · 14908 days ago · 0 km deep · 4 km away
  4. 2.11 km WSW of Roseland, California · 14908 days ago · 6 km deep · 42 km away
  5. 1.77 km W of Cobb, California · 14908 days ago · 4 km deep · 3 km away
  6. 2.83 km ESE of Rodeo, California · 14908 days ago · 7 km deep · 99 km away
  7. 1.99 km WSW of Cobb, California · 14907 days ago · 2 km deep · 4 km away
  8. 2.321 km ENE of Clearlake, California · 14907 days ago · 6 km deep · 42 km away
  9. 1.58 km W of Cobb, California · 14907 days ago · 1 km deep · 4 km away
  10. 1.65 km WSW of Cobb, California · 14907 days ago · 0 km deep · 1 km away
  11. 1.65 km WSW of Cobb, California · 14907 days ago · 1 km deep · 1 km away
  12. 2.620 km ENE of Clearlake, California · 14907 days ago · 0 km deep · 40 km away
  13. 2.45 km WSW of Cobb, California · 14907 days ago · 1 km deep · 1 km away
  14. 2.45 km SW of Cobb, California · 14907 days ago · 1 km deep · 2 km away
  15. 2.73 km SW of Cobb, California · 14907 days ago · 1 km deep · 2 km away
  16. 2.9Northern California · 14906 days ago · 2 km deep · 1 km away
  17. 1.7Northern California · 14906 days ago · 2 km deep · 1 km away
  18. 1.96 km WNW of Cobb, California · 14906 days ago · 1 km deep · 4 km away
  19. 1.912 km NE of Windsor, California · 14906 days ago · 6 km deep · 19 km away
  20. 1.93 km NNE of Healdsburg, California · 14906 days ago · 6 km deep · 19 km away
  21. 2.18 km WSW of Cobb, California · 14906 days ago · 3 km deep · 3 km away
  22. 1.910 km ESE of Hidden Valley Lake, California · 14906 days ago · 5 km deep · 28 km away
  23. 1.614 km ESE of Hidden Valley Lake, California · 14905 days ago · -1 km deep · 32 km away
  24. 1.57 km W of Cobb, California · 14905 days ago · 3 km deep · 3 km away
  25. 1.88 km N of Upper Lake, California · 14905 days ago · 6 km deep · 50 km away
  26. 2.118 km NNW of Cazadero, California · 14905 days ago · 1 km deep · 36 km away
  27. 1.75 km NNE of Guerneville, California · 14904 days ago · 2 km deep · 33 km away
  28. 1.94 km WNW of Cobb, California · 14904 days ago · 2 km deep · 5 km away
  29. 1.64 km S of Cobb, California · 14904 days ago · 2 km deep · 5 km away
  30. 1.65 km WSW of Cobb, California · 14904 days ago · 0 km deep · 0 km away
  31. 1.810 km WSW of Cobb, California · 14904 days ago · 1 km deep · 5 km away
  32. 1.85 km W of Cobb, California · 14904 days ago · 0 km deep · 2 km away
  33. 2.79 km W of Cobb, California · 14904 days ago · -1 km deep · 5 km away
  34. 1.99 km W of Cobb, California · 14904 days ago · 1 km deep · 5 km away
  35. 1.75 km SW of Cobb, California · 14903 days ago · 0 km deep · 2 km away
  36. 2.24 km SW of Cobb, California · 14903 days ago · 1 km deep · 2 km away
  37. 1.85 km WSW of Cobb, California · 14903 days ago · 1 km deep · 0 km away
  38. 1.66 km W of Cobb, California · 14903 days ago · 3 km deep · 3 km away
  39. 2.07 km W of Cobb, California · 14902 days ago · 1 km deep · 4 km away
  40. 1.88 km W of Cobb, California · 14902 days ago · 0 km deep · 4 km away
  41. 1.88 km W of Cobb, California · 14902 days ago · -1 km deep · 5 km away
  42. 2.38 km W of Cobb, California · 14901 days ago · 0 km deep · 4 km away
  43. 1.86 km W of Cobb, California · 14901 days ago · 1 km deep · 2 km away
  44. 2.06 km W of Cobb, California · 14900 days ago · 2 km deep · 3 km away
  45. 1.66 km W of Cobb, California · 14900 days ago · 2 km deep · 3 km away
  46. 1.68 km W of Cobb, California · 14900 days ago · 1 km deep · 4 km away
  47. 2.614 km NNW of Moskowite Corner, California · 14900 days ago · 3 km deep · 52 km away
  48. 3.15 km SW of Cobb, California · 14899 days ago · 1 km deep · 1 km away
  49. 2.9Northern California · 14899 days ago · 0 km deep · 1 km away
  50. 2.06 km W of Cobb, California · 14899 days ago · 3 km deep · 3 km away
  51. 1.73 km WNW of Cobb, California · 14899 days ago · 0 km deep · 4 km away
  52. 1.73 km W of Glen Ellen, California · 14899 days ago · 9 km deep · 52 km away
  53. 1.79 km W of Cobb, California · 14899 days ago · 1 km deep · 6 km away
  54. 1.55 km SW of Cobb, California · 14899 days ago · 1 km deep · 1 km away
  55. 1.97 km W of Cobb, California · 14899 days ago · 1 km deep · 4 km away
  56. 1.67 km W of Cobb, California · 14899 days ago · 1 km deep · 4 km away
  57. 1.97 km W of Cobb, California · 14899 days ago · 1 km deep · 4 km away
  58. 1.68 km W of Cobb, California · 14898 days ago · -1 km deep · 4 km away
  59. 1.76 km W of Cobb, California · 14898 days ago · 2 km deep · 2 km away
  60. 1.67 km WSW of Cobb, California · 14898 days ago · 0 km deep · 3 km away

The first 60 of 177.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc59922. Read Tue, Sep 22, 2026, 4:15 PM UTC.