California earthquakes

M1.6 earthquake 6 km W of Cobb, California

A magnitude 1.6 earthquake struck 6 km W of Cobb, California on Sat, Nov 16, 1985, 8:30 PM PST (04:30 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M1.8 8 km N of Upper Lake, 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
1.6 (md), micro
Local time
UTC
1985-11-17 04:30:33 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
38.815° N, 122.799° 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
±0.12
Depth from
From location
Station coverage gap
37°
Stations used
22

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. 1.57 km W of Cobb, California · 14905 days ago · 3 km deep · 1 km away
  2. 1.88 km N of Upper Lake, California · 14905 days ago · 6 km deep · 48 km away
  3. 2.118 km NNW of Cazadero, California · 14905 days ago · 1 km deep · 35 km away
  4. 1.75 km NNE of Guerneville, California · 14904 days ago · 2 km deep · 34 km away
  5. 1.94 km WNW of Cobb, California · 14904 days ago · 2 km deep · 3 km away
  6. 1.64 km S of Cobb, California · 14904 days ago · 2 km deep · 8 km away
  7. 1.65 km WSW of Cobb, California · 14904 days ago · 0 km deep · 2 km away
  8. 1.810 km WSW of Cobb, California · 14904 days ago · 1 km deep · 4 km away
  9. 1.85 km W of Cobb, California · 14904 days ago · 0 km deep · 2 km away
  10. 2.79 km W of Cobb, California · 14904 days ago · -1 km deep · 3 km away
  11. 1.99 km W of Cobb, California · 14904 days ago · 1 km deep · 3 km away
  12. 1.75 km SW of Cobb, California · 14903 days ago · 0 km deep · 5 km away
  13. 2.24 km SW of Cobb, California · 14903 days ago · 1 km deep · 5 km away
  14. 1.85 km WSW of Cobb, California · 14903 days ago · 1 km deep · 2 km away
  15. 1.66 km W of Cobb, California · 14903 days ago · 3 km deep · 1 km away
  16. 2.07 km W of Cobb, California · 14902 days ago · 1 km deep · 1 km away
  17. 1.88 km W of Cobb, California · 14902 days ago · 0 km deep · 2 km away
  18. 1.88 km W of Cobb, California · 14902 days ago · -1 km deep · 2 km away
  19. 2.38 km W of Cobb, California · 14901 days ago · 0 km deep · 2 km away
  20. 1.86 km W of Cobb, California · 14901 days ago · 1 km deep · 0 km away
  21. 2.06 km W of Cobb, California · 14900 days ago · 2 km deep · 0 km away
  22. 1.66 km W of Cobb, California · 14900 days ago · 2 km deep · 0 km away
  23. 1.68 km W of Cobb, California · 14900 days ago · 1 km deep · 2 km away
  24. 2.614 km NNW of Moskowite Corner, California · 14900 days ago · 3 km deep · 54 km away
  25. 3.15 km SW of Cobb, California · 14899 days ago · 1 km deep · 4 km away
  26. 2.9Northern California · 14899 days ago · 0 km deep · 3 km away
  27. 2.06 km W of Cobb, California · 14899 days ago · 3 km deep · 1 km away
  28. 1.73 km WNW of Cobb, California · 14899 days ago · 0 km deep · 3 km away
  29. 1.73 km W of Glen Ellen, California · 14899 days ago · 9 km deep · 54 km away
  30. 1.79 km W of Cobb, California · 14899 days ago · 1 km deep · 3 km away
  31. 1.55 km SW of Cobb, California · 14899 days ago · 1 km deep · 3 km away
  32. 1.97 km W of Cobb, California · 14899 days ago · 1 km deep · 2 km away
  33. 1.67 km W of Cobb, California · 14899 days ago · 1 km deep · 2 km away
  34. 1.97 km W of Cobb, California · 14899 days ago · 1 km deep · 1 km away
  35. 1.68 km W of Cobb, California · 14898 days ago · -1 km deep · 1 km away
  36. 1.76 km W of Cobb, California · 14898 days ago · 2 km deep · 0 km away
  37. 1.67 km WSW of Cobb, California · 14898 days ago · 0 km deep · 1 km away
  38. 2.1Northern California · 14898 days ago · 1 km deep · 1 km away
  39. 1.77 km W of Cobb, California · 14897 days ago · 1 km deep · 1 km away
  40. 1.66 km W of Cobb, California · 14897 days ago · 2 km deep · 0 km away
  41. 2.07 km W of Cobb, California · 14897 days ago · -1 km deep · 2 km away
  42. 1.68 km W of Cobb, California · 14897 days ago · 0 km deep · 2 km away
  43. 1.84 km WSW of Cobb, California · 14897 days ago · 0 km deep · 2 km away
  44. 2.32 km S of Lakeport, California · 14896 days ago · 21 km deep · 25 km away
  45. 1.65 km SW of Cobb, California · 14896 days ago · 0 km deep · 3 km away
  46. 2.14 km W of Cobb, California · 14896 days ago · 1 km deep · 2 km away
  47. 2.08 km WSW of Cobb, California · 14896 days ago · 3 km deep · 2 km away
  48. 2.02 km W of Forestville, California · 14896 days ago · 0 km deep · 40 km away
  49. 1.87 km WSW of Cobb, California · 14896 days ago · 1 km deep · 1 km away
  50. 2.45 km SSW of Calistoga, California · 14896 days ago · 5 km deep · 37 km away
  51. 1.75 km SE of Calpella, California · 14895 days ago · 5 km deep · 53 km away
  52. 1.64 km S of Cobb, California · 14895 days ago · 1 km deep · 8 km away
  53. 1.56 km W of Cobb, California · 14895 days ago · -1 km deep · 0 km away
  54. 1.76 km W of Cobb, California · 14895 days ago · 3 km deep · 0 km away
  55. 2.27 km W of Cobb, California · 14895 days ago · 1 km deep · 1 km away
  56. 1.77 km W of Cobb, California · 14895 days ago · 0 km deep · 1 km away
  57. 1.84 km W of Cobb, California · 14894 days ago · 1 km deep · 2 km away
  58. 1.64 km W of Cobb, California · 14894 days ago · 1 km deep · 2 km away
  59. 1.77 km WSW of Cobb, California · 14894 days ago · 3 km deep · 2 km away
  60. 1.67 km WSW of Cobb, California · 14893 days ago · 1 km deep · 2 km away

The first 60 of 177.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc59315. Read Tue, Sep 22, 2026, 4:01 PM UTC.