California earthquakes

M1.5 earthquake 7 km WSW of Cobb, California

A magnitude 1.5 earthquake struck 7 km WSW of Cobb, California on Fri, Nov 22, 1985, 2:45 PM PST (22:45 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.6 8 km WSW of Kelseyville, 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
1.5 (md), micro
Local time
UTC
1985-11-22 22:45:35 UTC
Depth
1.9 km (1.2 mi), shallow
Epicenter
38.803° N, 122.808° 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, 0.4 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
61°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 102 in the 30 days before it.

After

  1. 1.59 km SSE of Willits, California · 14920 days ago · 7 km deep · 73 km away
  2. 1.77 km WSW of Cobb, California · 14919 days ago · 1 km deep · 0 km away
  3. 1.65 km SW of Cobb, California · 14919 days ago · 0 km deep · 4 km away
  4. 2.55 km SW of Cobb, California · 14919 days ago · 0 km deep · 3 km away
  5. 2.27 km W of Cobb, California · 14919 days ago · 0 km deep · 1 km away
  6. 2.05 km SW of Cobb, California · 14919 days ago · 4 km deep · 3 km away
  7. 1.78 km WSW of Cobb, California · 14919 days ago · 3 km deep · 1 km away
  8. 2.15 km WSW of Cobb, California · 14918 days ago · 1 km deep · 3 km away
  9. 1.87 km W of Cobb, California · 14917 days ago · 1 km deep · 3 km away
  10. 2.026 km NE of Potter Valley, California · 14917 days ago · 7 km deep · 75 km away
  11. 1.98 km W of Cobb, California · 14916 days ago · 0 km deep · 2 km away
  12. 1.712 km WSW of Willits, California · 14916 days ago · 0 km deep · 84 km away
  13. 1.75 km W of Cobb, California · 14916 days ago · 1 km deep · 4 km away
  14. 1.96 km E of Calpella, California · 14916 days ago · 3 km deep · 55 km away
  15. 2.03 km ESE of Clear Lake Riviera, California · 14915 days ago · 4 km deep · 19 km away
  16. 1.67 km WSW of Cobb, California · 14915 days ago · 0 km deep · 0 km away
  17. 1.57 km WSW of Cobb, California · 14915 days ago · -1 km deep · 1 km away
  18. 2.07 km WSW of Cobb, California · 14915 days ago · 0 km deep · 1 km away
  19. 1.96 km W of Cobb, California · 14915 days ago · 3 km deep · 2 km away
  20. 2.68 km WSW of Cobb, California · 14915 days ago · 1 km deep · 1 km away
  21. 1.612 km NE of Clearlake, California · 14915 days ago · 6 km deep · 36 km away
  22. 1.55 km W of Cobb, California · 14915 days ago · 0 km deep · 3 km away
  23. 1.87 km WSW of Cobb, California · 14914 days ago · 0 km deep · 1 km away
  24. 1.64 km SW of Cobb, California · 14914 days ago · 1 km deep · 5 km away
  25. 1.97 km W of Cobb, California · 14914 days ago · 0 km deep · 3 km away
  26. 2.11 km WSW of Roseland, California · 14914 days ago · 6 km deep · 43 km away
  27. 1.77 km W of Cobb, California · 14914 days ago · 4 km deep · 1 km away
  28. 1.99 km WSW of Cobb, California · 14913 days ago · 2 km deep · 2 km away
  29. 2.321 km ENE of Clearlake, California · 14913 days ago · 6 km deep · 44 km away
  30. 1.58 km W of Cobb, California · 14913 days ago · 1 km deep · 2 km away
  31. 1.65 km WSW of Cobb, California · 14913 days ago · 0 km deep · 3 km away
  32. 1.65 km WSW of Cobb, California · 14913 days ago · 1 km deep · 3 km away
  33. 2.620 km ENE of Clearlake, California · 14913 days ago · 0 km deep · 42 km away
  34. 2.45 km WSW of Cobb, California · 14913 days ago · 1 km deep · 2 km away
  35. 2.45 km SW of Cobb, California · 14912 days ago · 1 km deep · 4 km away
  36. 2.73 km SW of Cobb, California · 14912 days ago · 1 km deep · 5 km away
  37. 2.9Northern California · 14912 days ago · 2 km deep · 3 km away
  38. 1.7Northern California · 14912 days ago · 2 km deep · 3 km away
  39. 1.96 km WNW of Cobb, California · 14912 days ago · 1 km deep · 4 km away
  40. 1.912 km NE of Windsor, California · 14912 days ago · 6 km deep · 20 km away
  41. 1.93 km NNE of Healdsburg, California · 14912 days ago · 6 km deep · 18 km away
  42. 2.18 km WSW of Cobb, California · 14912 days ago · 3 km deep · 1 km away
  43. 1.910 km ESE of Hidden Valley Lake, California · 14911 days ago · 5 km deep · 31 km away
  44. 1.614 km ESE of Hidden Valley Lake, California · 14911 days ago · -1 km deep · 34 km away
  45. 1.57 km W of Cobb, California · 14911 days ago · 3 km deep · 1 km away
  46. 1.88 km N of Upper Lake, California · 14911 days ago · 6 km deep · 49 km away
  47. 2.118 km NNW of Cazadero, California · 14911 days ago · 1 km deep · 34 km away
  48. 1.75 km NNE of Guerneville, California · 14910 days ago · 2 km deep · 32 km away
  49. 1.94 km WNW of Cobb, California · 14910 days ago · 2 km deep · 5 km away
  50. 1.64 km S of Cobb, California · 14910 days ago · 2 km deep · 8 km away
  51. 1.65 km WSW of Cobb, California · 14910 days ago · 0 km deep · 3 km away
  52. 1.810 km WSW of Cobb, California · 14910 days ago · 1 km deep · 3 km away
  53. 1.85 km W of Cobb, California · 14910 days ago · 0 km deep · 3 km away
  54. 2.79 km W of Cobb, California · 14910 days ago · -1 km deep · 2 km away
  55. 1.99 km W of Cobb, California · 14910 days ago · 1 km deep · 2 km away
  56. 1.75 km SW of Cobb, California · 14909 days ago · 0 km deep · 5 km away
  57. 2.24 km SW of Cobb, California · 14909 days ago · 1 km deep · 5 km away
  58. 1.85 km WSW of Cobb, California · 14909 days ago · 1 km deep · 2 km away
  59. 1.66 km W of Cobb, California · 14908 days ago · 3 km deep · 2 km away
  60. 2.07 km W of Cobb, California · 14908 days ago · 1 km deep · 2 km away

The first 60 of 178.

Before

  1. 2.29 km WSW of Cobb, California · 14920 days ago · 1 km deep · 1 km away
  2. 2.212 km E of Geyserville, California · 14920 days ago · 3 km deep · 13 km away
  3. 2.13 km ESE of Cloverdale, California · 14921 days ago · 2 km deep · 15 km away
  4. 1.86 km W of Cobb, California · 14921 days ago · 1 km deep · 2 km away
  5. 1.85 km WSW of Cobb, California · 14921 days ago · 1 km deep · 3 km away
  6. 1.65 km WSW of Cobb, California · 14921 days ago · 2 km deep · 2 km away
  7. 1.79 km WSW of Cobb, California · 14922 days ago · 2 km deep · 1 km away
  8. 1.76 km W of Cobb, California · 14923 days ago · 3 km deep · 2 km away
  9. 1.5Northern California · 14923 days ago · 1 km deep · 4 km away
  10. 2.36 km W of Cobb, California · 14923 days ago · 3 km deep · 2 km away
  11. 1.55 km SW of Cobb, California · 14924 days ago · 0 km deep · 3 km away
  12. 1.51 km E of Knights Landing, California · 14924 days ago · 1 km deep · 96 km away
  13. 1.98 km W of Lodoga, California · 14924 days ago · 4 km deep · 58 km away
  14. 2.68 km W of Cobb, California · 14925 days ago · 1 km deep · 2 km away
  15. 1.84 km W of Cobb, California · 14925 days ago · 0 km deep · 3 km away
  16. 1.98 km W of Cobb, California · 14925 days ago · 1 km deep · 2 km away
  17. 1.66 km W of Cobb, California · 14925 days ago · 2 km deep · 2 km away
  18. 1.614 km ESE of Hidden Valley Lake, California · 14926 days ago · -1 km deep · 35 km away
  19. 1.66 km ENE of Brooktrails, California · 14927 days ago · 7 km deep · 87 km away
  20. 1.76 km WSW of Calistoga, California · 14928 days ago · 1 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc59663. Read Mon, Sep 28, 2026, 12:55 PM UTC.