California earthquakes

M2.0 earthquake 19 km N of Upper Lake, California

A magnitude 2.0 earthquake struck 19 km N of Upper Lake, California on Sun, Sep 29, 1985, 3:36 PM PDT (22:36 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.1 5 km NW of Cobb, California. This one was a foreshock.

Upper Lake 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
2.0 (md), micro
Local time
UTC
1985-09-29 22:36:45 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
39.335° N, 122.874° 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, 2.0 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
76°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 176 in the 60 days after this one and 122 in the 30 days before it.

After

  1. 1.89 km W of Cobb, California · 14973 days ago · 0 km deep · 58 km away
  2. 3.329 km SE of Ruth, California · 14973 days ago · 42 km deep · 87 km away
  3. 1.715 km WSW of Laytonville, California · 14973 days ago · 3 km deep · 75 km away
  4. 1.74 km WSW of Cobb, California · 14973 days ago · 1 km deep · 60 km away
  5. 2.411 km SSE of Laytonville, California · 14972 days ago · 2 km deep · 55 km away
  6. 1.98 km WSW of Cobb, California · 14972 days ago · 1 km deep · 59 km away
  7. 1.64 km SE of Larkfield-Wikiup, California · 14971 days ago · 8 km deep · 95 km away
  8. 1.812 km WNW of Calistoga, California · 14971 days ago · 8 km deep · 80 km away
  9. 2.58 km W of Cobb, California · 14970 days ago · 1 km deep · 57 km away
  10. 1.64 km NW of Redwood Valley, California · 14970 days ago · 7 km deep · 32 km away
  11. 2.34 km WSW of Cobb, California · 14970 days ago · 1 km deep · 60 km away
  12. 2.25 km WSW of Cobb, California · 14969 days ago · 1 km deep · 59 km away
  13. 2.24 km W of Cobb, California · 14968 days ago · 0 km deep · 58 km away
  14. 3.28 km SE of Hopland, California · 14968 days ago · 4 km deep · 48 km away
  15. 1.58 km SE of Hopland, California · 14967 days ago · 1 km deep · 48 km away
  16. 1.613 km SSE of Boonville, California · 14967 days ago · -1 km deep · 60 km away
  17. 2.48 km SE of Hopland, California · 14967 days ago · 2 km deep · 48 km away
  18. 2.78 km NW of Redwood Valley, California · 14967 days ago · -1 km deep · 34 km away
  19. 2.56 km W of Cobb, California · 14967 days ago · 3 km deep · 57 km away
  20. 1.98 km SE of Hopland, California · 14967 days ago · 1 km deep · 47 km away
  21. 1.88 km WSW of Cobb, California · 14966 days ago · 3 km deep · 60 km away
  22. 1.8Northern California · 14966 days ago · 0 km deep · 58 km away
  23. 2.28 km W of Cobb, California · 14966 days ago · 0 km deep · 57 km away
  24. 2.55 km SW of Cobb, California · 14964 days ago · 0 km deep · 62 km away
  25. 1.95 km SW of Cobb, California · 14964 days ago · 0 km deep · 62 km away
  26. 1.65 km W of Cobb, California · 14964 days ago · 0 km deep · 57 km away
  27. 1.57 km WSW of Cobb, California · 14964 days ago · 1 km deep · 61 km away
  28. 2.112 km NNW of Potter Valley, California · 14963 days ago · 5 km deep · 27 km away
  29. 2.05 km SW of Cobb, California · 14963 days ago · 2 km deep · 61 km away
  30. 1.97 km NNE of Upper Lake, California · 14963 days ago · 7 km deep · 11 km away
  31. 2.04 km WSW of Cobb, California · 14962 days ago · 1 km deep · 60 km away
  32. 2.610 km ENE of Artois, California · 14961 days ago · 22 km deep · 76 km away
  33. 2.05 km WNW of Cobb, California · 14961 days ago · 2 km deep · 56 km away
  34. 2.46 km WSW of Cobb, California · 14960 days ago · -1 km deep · 60 km away
  35. 1.67 km WSW of Cobb, California · 14960 days ago · 1 km deep · 59 km away
  36. 1.631 km WNW of Paskenta, California · 14960 days ago · 10 km deep · 78 km away
  37. 1.820 km ENE of Clearlake, California · 14960 days ago · 6 km deep · 51 km away
  38. 1.66 km W of Cobb, California · 14960 days ago · 3 km deep · 58 km away
  39. 1.55 km WSW of Cobb, California · 14960 days ago · 1 km deep · 60 km away
  40. 2.310 km SSE of Laytonville, California · 14960 days ago · 8 km deep · 56 km away
  41. 1.818 km E of Potter Valley, California · 14960 days ago · 6 km deep · 3 km away
  42. 1.66 km WSW of Cobb, California · 14959 days ago · 4 km deep · 59 km away
  43. 1.77 km WSW of Cobb, California · 14959 days ago · 1 km deep · 59 km away
  44. 1.76 km ENE of Willits, California · 14958 days ago · 4 km deep · 37 km away
  45. 1.78 km WSW of Cobb, California · 14958 days ago · 4 km deep · 61 km away
  46. 1.86 km W of Cobb, California · 14958 days ago · 0 km deep · 56 km away
  47. 2.06 km W of Cobb, California · 14958 days ago · 0 km deep · 57 km away
  48. 1.97 km WSW of Cobb, California · 14957 days ago · 4 km deep · 60 km away
  49. 1.611 km SSE of Laytonville, California · 14957 days ago · 3 km deep · 56 km away
  50. 2.38 km W of Cobb, California · 14957 days ago · 1 km deep · 58 km away
  51. 1.96 km W of Cobb, California · 14956 days ago · 1 km deep · 59 km away
  52. 2.27 km W of Cobb, California · 14955 days ago · 4 km deep · 58 km away
  53. 1.76 km W of Cobb, California · 14955 days ago · 2 km deep · 58 km away
  54. 1.67 km WSW of Cobb, California · 14955 days ago · 0 km deep · 60 km away
  55. 1.75 km SW of Cobb, California · 14954 days ago · 1 km deep · 61 km away
  56. 1.86 km WSW of Cobb, California · 14954 days ago · 3 km deep · 59 km away
  57. 1.75 km W of Cobb, California · 14954 days ago · 0 km deep · 57 km away
  58. 2.03 km SW of Cobb, California · 14954 days ago · 2 km deep · 61 km away
  59. 3.46 km W of Cobb, California · 14954 days ago · 3 km deep · 58 km away
  60. 1.94 km WSW of Cobb, California · 14954 days ago · 0 km deep · 60 km away

The first 60 of 176.

Before

  1. 1.65 km SW of Cobb, California · 14975 days ago · 1 km deep · 61 km away
  2. 1.64 km S of Cobb, California · 14975 days ago · 2 km deep · 63 km away
  3. 1.74 km S of Cobb, California · 14976 days ago · 2 km deep · 63 km away
  4. 1.76 km W of Cobb, California · 14976 days ago · 3 km deep · 57 km away
  5. 2.06 km W of Cobb, California · 14976 days ago · 2 km deep · 58 km away
  6. 1.51 km ESE of Clear Lake Riviera, California · 14977 days ago · 1 km deep · 45 km away
  7. 2.28 km W of Cobb, California · 14977 days ago · 1 km deep · 58 km away
  8. 1.63 km NE of Santa Rosa, California · 14977 days ago · 2 km deep · 98 km away
  9. 1.74 km ESE of Cleone, California · 14978 days ago · 3 km deep · 76 km away
  10. 1.77 km W of Cobb, California · 14979 days ago · 3 km deep · 58 km away
  11. 1.97 km ENE of Clearlake, California · 14979 days ago · 3 km deep · 48 km away
  12. 1.75 km SW of Cobb, California · 14979 days ago · 1 km deep · 62 km away
  13. 2.47 km W of Cobb, California · 14979 days ago · 3 km deep · 58 km away
  14. 2.19 km ENE of Hopland, California · 14979 days ago · 23 km deep · 40 km away
  15. 2.55 km SW of Cobb, California · 14979 days ago · 0 km deep · 62 km away
  16. 1.64 km S of Cobb, California · 14980 days ago · 2 km deep · 63 km away
  17. 1.95 km WSW of Cobb, California · 14980 days ago · 0 km deep · 60 km away
  18. 3.15 km WSW of Cobb, California · 14980 days ago · -1 km deep · 60 km away
  19. 2.510 km N of Cloverdale, California · 14980 days ago · -1 km deep · 50 km away
  20. 2.36 km NNE of Windsor, California · 14980 days ago · 1 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1131815. Read Tue, Sep 29, 2026, 10:53 AM UTC.