California earthquakes

M1.6 earthquake 6 km W of Cobb, California

A magnitude 1.6 earthquake struck 6 km W of Cobb, California on Wed, Jul 3, 1985, 2:45 AM PDT (09:45 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.7 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
1.6 (md), micro
Local time
UTC
1985-07-03 09:45:36 UTC
Depth
2.7 km (1.7 mi), shallow
Epicenter
38.813° N, 122.796° 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, 0.5 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
68°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.77 km WSW of Cobb, California · 15056 days ago · 2 km deep · 2 km away
  2. 2.17 km SSW of Colusa, California · 15055 days ago · 13 km deep · 75 km away
  3. 1.76 km NE of Williams, California · 15055 days ago · 12 km deep · 74 km away
  4. 1.95 km SSE of Clear Lake Riviera, California · 15055 days ago · 1 km deep · 14 km away
  5. 2.37 km SW of Colusa, California · 15054 days ago · 15 km deep · 74 km away
  6. 2.37 km W of Cobb, California · 15054 days ago · 1 km deep · 2 km away
  7. 3.07 km W of Cobb, California · 15054 days ago · 3 km deep · 1 km away
  8. 1.94 km W of Cobb, California · 15053 days ago · 2 km deep · 3 km away
  9. 2.37 km WSW of Cobb, California · 15053 days ago · 3 km deep · 1 km away
  10. 2.28 km ESE of Willows, California · 15053 days ago · 14 km deep · 96 km away
  11. 1.57 km W of Cobb, California · 15052 days ago · 3 km deep · 1 km away
  12. 2.023 km SE of Covelo, California · 15052 days ago · 4 km deep · 94 km away
  13. 1.88 km WSW of Cobb, California · 15051 days ago · 2 km deep · 2 km away
  14. 2.07 km W of Cobb, California · 15051 days ago · 2 km deep · 1 km away
  15. 1.85 km WSW of Cobb, California · 15051 days ago · 0 km deep · 2 km away
  16. 1.98 km WSW of Meridian, California · 15050 days ago · 4 km deep · 76 km away
  17. 1.74 km W of Cobb, California · 15050 days ago · 0 km deep · 2 km away
  18. 1.76 km W of Cobb, California · 15049 days ago · 1 km deep · 2 km away
  19. 1.84 km WSW of Cobb, California · 15049 days ago · 1 km deep · 2 km away
  20. 2.36 km WSW of Eldridge, California · 15048 days ago · 7 km deep · 58 km away
  21. 1.728 km NE of Potter Valley, California · 15048 days ago · 8 km deep · 78 km away
  22. 2.56 km WSW of Eldridge, California · 15048 days ago · 7 km deep · 58 km away
  23. 2.57 km SSE of Suisun, California · 15047 days ago · 0 km deep · 99 km away
  24. 1.75 km SW of Cobb, California · 15047 days ago · 0 km deep · 5 km away
  25. 1.73 km SW of Cobb, California · 15047 days ago · 1 km deep · 4 km away
  26. 2.16 km WSW of Eldridge, California · 15047 days ago · 6 km deep · 58 km away
  27. 2.36 km ESE of Suisun, California · 15046 days ago · 5 km deep · 98 km away
  28. 1.7Northern California · 15046 days ago · 6 km deep · 57 km away
  29. 3.37 km W of Cobb, California · 15046 days ago · 0 km deep · 2 km away
  30. 1.77 km W of Cobb, California · 15046 days ago · 1 km deep · 2 km away
  31. 1.59 km W of Cobb, California · 15046 days ago · -1 km deep · 3 km away
  32. 1.87 km W of Cobb, California · 15046 days ago · 1 km deep · 2 km away
  33. 1.88 km W of Cobb, California · 15046 days ago · 1 km deep · 2 km away
  34. 1.65 km SSE of Cobb, California · 15046 days ago · 16 km deep · 10 km away
  35. 2.27 km SSW of Colusa, California · 15045 days ago · 15 km deep · 74 km away
  36. 1.58 km WSW of Cobb, California · 15045 days ago · 3 km deep · 2 km away
  37. 1.66 km WSW of Cobb, California · 15045 days ago · 3 km deep · 1 km away
  38. 1.810 km S of Kelseyville, California · 15044 days ago · 4 km deep · 9 km away
  39. 2.024 km NNE of Potter Valley, California · 15044 days ago · 4 km deep · 82 km away
  40. 2.110 km S of Kelseyville, California · 15043 days ago · 4 km deep · 9 km away
  41. 2.34 km WSW of Cobb, California · 15043 days ago · 1 km deep · 2 km away
  42. 1.67 km WSW of Cobb, California · 15043 days ago · 1 km deep · 2 km away
  43. 1.86 km W of Cobb, California · 15043 days ago · 3 km deep · 1 km away
  44. 2.26 km W of Cobb, California · 15043 days ago · 3 km deep · 1 km away
  45. 1.96 km WSW of Cobb, California · 15042 days ago · 3 km deep · 1 km away
  46. 2.57 km W of Cobb, California · 15042 days ago · 3 km deep · 1 km away
  47. 1.76 km W of Cobb, California · 15042 days ago · 3 km deep · 0 km away
  48. 2.06 km WSW of Cobb, California · 15040 days ago · 1 km deep · 1 km away
  49. 1.86 km WSW of Cobb, California · 15040 days ago · 1 km deep · 1 km away
  50. 2.85 km W of Cobb, California · 15040 days ago · 0 km deep · 2 km away
  51. 1.85 km W of Cobb, California · 15040 days ago · 0 km deep · 2 km away
  52. 1.67 km WSW of Cobb, California · 15040 days ago · 1 km deep · 2 km away
  53. 1.713 km NE of Hidden Valley Lake, California · 15039 days ago · 14 km deep · 32 km away
  54. 1.87 km NW of Cobb, California · 15039 days ago · 4 km deep · 7 km away
  55. 1.67 km SE of Willits, California · 15039 days ago · 6 km deep · 74 km away
  56. 1.66 km W of Glen Ellen, California · 15038 days ago · 3 km deep · 52 km away
  57. 2.18 km W of Cobb, California · 15037 days ago · -1 km deep · 2 km away
  58. 1.97 km W of Cobb, California · 15035 days ago · 1 km deep · 2 km away
  59. 1.79 km ESE of Hidden Valley Lake, California · 15034 days ago · 7 km deep · 30 km away
  60. 1.76 km WNW of Cobb, California · 15034 days ago · 1 km deep · 3 km away

The first 60 of 180.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1129409. Read Tue, Sep 22, 2026, 5:27 PM UTC.