California earthquakes

M1.6 earthquake 12 km NE of Upper Lake, California

A magnitude 1.6 earthquake struck 12 km NE of Upper Lake, California on Sat, Sep 14, 1985, 11:08 AM PDT (18:08 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M1.8 5 km NNE of Windsor, California. This one was a foreshock.

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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
1985-09-14 18:08:08 UTC
Depth
3.5 km (2.2 mi), shallow
Epicenter
39.245° N, 122.815° 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 4.5 km horizontally, 6.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
243°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.57 km W of Cobb, California · 14975 days ago · 1 km deep · 47 km away
  2. 1.65 km WSW of Cobb, California · 14974 days ago · 1 km deep · 49 km away
  3. 1.85 km NNE of Windsor, California · 14974 days ago · 5 km deep · 73 km away
  4. 2.36 km NNE of Windsor, California · 14974 days ago · 1 km deep · 72 km away
  5. 2.510 km N of Cloverdale, California · 14974 days ago · -1 km deep · 42 km away
  6. 3.15 km WSW of Cobb, California · 14973 days ago · -1 km deep · 49 km away
  7. 1.95 km WSW of Cobb, California · 14973 days ago · 0 km deep · 50 km away
  8. 1.64 km S of Cobb, California · 14973 days ago · 2 km deep · 52 km away
  9. 2.55 km SW of Cobb, California · 14973 days ago · 0 km deep · 52 km away
  10. 2.19 km ENE of Hopland, California · 14973 days ago · 23 km deep · 33 km away
  11. 2.47 km W of Cobb, California · 14972 days ago · 3 km deep · 48 km away
  12. 1.75 km SW of Cobb, California · 14972 days ago · 1 km deep · 51 km away
  13. 1.97 km ENE of Clearlake, California · 14972 days ago · 3 km deep · 36 km away
  14. 1.77 km W of Cobb, California · 14972 days ago · 3 km deep · 48 km away
  15. 1.74 km ESE of Cleone, California · 14972 days ago · 3 km deep · 83 km away
  16. 1.63 km NE of Santa Rosa, California · 14971 days ago · 2 km deep · 87 km away
  17. 2.28 km W of Cobb, California · 14971 days ago · 1 km deep · 47 km away
  18. 1.51 km ESE of Clear Lake Riviera, California · 14970 days ago · 1 km deep · 34 km away
  19. 2.06 km W of Cobb, California · 14970 days ago · 2 km deep · 47 km away
  20. 1.76 km W of Cobb, California · 14970 days ago · 3 km deep · 46 km away
  21. 1.74 km S of Cobb, California · 14969 days ago · 2 km deep · 52 km away
  22. 1.64 km S of Cobb, California · 14969 days ago · 2 km deep · 52 km away
  23. 1.65 km SW of Cobb, California · 14968 days ago · 1 km deep · 51 km away
  24. 2.019 km N of Upper Lake, California · 14968 days ago · 5 km deep · 11 km away
  25. 1.89 km W of Cobb, California · 14967 days ago · 0 km deep · 48 km away
  26. 3.329 km SE of Ruth, California · 14966 days ago · 42 km deep · 98 km away
  27. 1.715 km WSW of Laytonville, California · 14966 days ago · 3 km deep · 84 km away
  28. 1.74 km WSW of Cobb, California · 14966 days ago · 1 km deep · 49 km away
  29. 2.411 km SSE of Laytonville, California · 14966 days ago · 2 km deep · 65 km away
  30. 1.98 km WSW of Cobb, California · 14965 days ago · 1 km deep · 49 km away
  31. 1.64 km SE of Larkfield-Wikiup, California · 14965 days ago · 8 km deep · 85 km away
  32. 1.812 km WNW of Calistoga, California · 14965 days ago · 8 km deep · 69 km away
  33. 2.58 km W of Cobb, California · 14964 days ago · 1 km deep · 47 km away
  34. 1.64 km NW of Redwood Valley, California · 14963 days ago · 7 km deep · 37 km away
  35. 2.34 km WSW of Cobb, California · 14963 days ago · 1 km deep · 49 km away
  36. 1.711 km NW of Moskowite Corner, California · 14963 days ago · 4 km deep · 94 km away
  37. 2.25 km WSW of Cobb, California · 14962 days ago · 1 km deep · 48 km away
  38. 2.24 km W of Cobb, California · 14961 days ago · 0 km deep · 47 km away
  39. 3.28 km SE of Hopland, California · 14961 days ago · 4 km deep · 40 km away
  40. 1.58 km SE of Hopland, California · 14961 days ago · 1 km deep · 40 km away
  41. 1.613 km SSE of Boonville, California · 14960 days ago · -1 km deep · 56 km away
  42. 2.48 km SE of Hopland, California · 14960 days ago · 2 km deep · 40 km away
  43. 2.78 km NW of Redwood Valley, California · 14960 days ago · -1 km deep · 40 km away
  44. 2.56 km W of Cobb, California · 14960 days ago · 3 km deep · 47 km away
  45. 1.98 km SE of Hopland, California · 14960 days ago · 1 km deep · 40 km away
  46. 1.88 km WSW of Cobb, California · 14960 days ago · 3 km deep · 50 km away
  47. 1.8Northern California · 14959 days ago · 0 km deep · 48 km away
  48. 2.28 km W of Cobb, California · 14959 days ago · 0 km deep · 46 km away
  49. 2.55 km SW of Cobb, California · 14958 days ago · 0 km deep · 51 km away
  50. 1.95 km SW of Cobb, California · 14958 days ago · 0 km deep · 51 km away
  51. 1.65 km W of Cobb, California · 14958 days ago · 0 km deep · 46 km away
  52. 1.57 km WSW of Cobb, California · 14957 days ago · 1 km deep · 51 km away
  53. 2.112 km NNW of Potter Valley, California · 14957 days ago · 5 km deep · 37 km away
  54. 2.05 km SW of Cobb, California · 14957 days ago · 2 km deep · 51 km away
  55. 1.97 km NNE of Upper Lake, California · 14956 days ago · 7 km deep · 7 km away
  56. 2.04 km WSW of Cobb, California · 14956 days ago · 1 km deep · 49 km away
  57. 2.610 km ENE of Artois, California · 14955 days ago · 22 km deep · 77 km away
  58. 2.05 km WNW of Cobb, California · 14954 days ago · 2 km deep · 45 km away
  59. 2.46 km WSW of Cobb, California · 14954 days ago · -1 km deep · 50 km away
  60. 1.67 km WSW of Cobb, California · 14954 days ago · 1 km deep · 49 km away

The first 60 of 179.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1131367. Read Tue, Sep 22, 2026, 9:40 PM UTC.