California earthquakes

M1.6 earthquake 6 km W of Cobb, California

A magnitude 1.6 earthquake struck 6 km W of Cobb, California on Fri, Jun 7, 1985, 12:28 PM PDT (19:28 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.3 12 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
1.6 (md), micro
Local time
UTC
1985-06-07 19:28:27 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
38.811° N, 122.800° 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
±0.09
Depth from
From location
Station coverage gap
74°
Stations used
12

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 141 in the 30 days before it.

After

  1. 1.66 km W of Cobb, California · 15088 days ago · 0 km deep · 2 km away
  2. 1.98 km W of Cobb, California · 15088 days ago · 0 km deep · 3 km away
  3. 1.910 km N of Arbuckle, California · 15087 days ago · 7 km deep · 74 km away
  4. 1.56 km W of Cobb, California · 15087 days ago · 3 km deep · 1 km away
  5. 1.85 km SW of Cobb, California · 15086 days ago · 0 km deep · 4 km away
  6. 1.75 km SW of Cobb, California · 15085 days ago · 1 km deep · 3 km away
  7. 1.67 km WSW of Cobb, California · 15085 days ago · 1 km deep · 1 km away
  8. 1.89 km WSW of Ukiah, California · 15084 days ago · 4 km deep · 57 km away
  9. 1.65 km W of Cobb, California · 15084 days ago · 1 km deep · 2 km away
  10. 1.66 km W of Cobb, California · 15084 days ago · 2 km deep · 0 km away
  11. 1.67 km NNE of Hopland, California · 15084 days ago · 0 km deep · 35 km away
  12. 2.3Northern California · 15083 days ago · 5 km deep · 51 km away
  13. 3.16 km W of Cobb, California · 15083 days ago · 1 km deep · 0 km away
  14. 1.56 km W of Cobb, California · 15083 days ago · 1 km deep · 0 km away
  15. 2.2Northern California · 15083 days ago · 18 km deep · 75 km away
  16. 1.76 km WSW of Colusa, California · 15082 days ago · 13 km deep · 75 km away
  17. 1.68 km SW of Clear Lake Riviera, California · 15082 days ago · 2 km deep · 9 km away
  18. 1.99 km W of Redwood Valley, California · 15082 days ago · 7 km deep · 68 km away
  19. 2.218 km WSW of Esparto, California · 15082 days ago · 6 km deep · 55 km away
  20. 1.87 km W of Cobb, California · 15081 days ago · 1 km deep · 2 km away
  21. 1.67 km W of Cobb, California · 15081 days ago · 1 km deep · 2 km away
  22. 2.46 km W of Cobb, California · 15081 days ago · 3 km deep · 1 km away
  23. 1.66 km W of Cobb, California · 15080 days ago · 3 km deep · 1 km away
  24. 1.612 km ENE of Healdsburg, California · 15080 days ago · 4 km deep · 19 km away
  25. 2.76 km E of Williams, California · 15080 days ago · 17 km deep · 74 km away
  26. 1.511 km E of Hidden Valley Lake, California · 15080 days ago · 8 km deep · 32 km away
  27. 2.17 km SSW of Colusa, California · 15080 days ago · 3 km deep · 76 km away
  28. 1.88 km WSW of Cobb, California · 15079 days ago · 3 km deep · 2 km away
  29. 1.86 km NE of Williams, California · 15079 days ago · 18 km deep · 74 km away
  30. 1.89 km WSW of Cobb, California · 15079 days ago · 2 km deep · 3 km away
  31. 2.14 km ENE of Williams, California · 15079 days ago · 21 km deep · 73 km away
  32. 2.19 km ENE of Brooktrails, California · 15079 days ago · 10 km deep · 86 km away
  33. 1.77 km W of Cobb, California · 15078 days ago · 0 km deep · 2 km away
  34. 1.57 km W of Cobb, California · 15078 days ago · 1 km deep · 2 km away
  35. 2.3Northern California · 15078 days ago · 4 km deep · 56 km away
  36. 2.76 km W of Cobb, California · 15078 days ago · 3 km deep · 1 km away
  37. 2.19 km NNE of Arbuckle, California · 15078 days ago · 13 km deep · 75 km away
  38. 1.912 km NW of Moskowite Corner, California · 15078 days ago · 10 km deep · 55 km away
  39. 1.67 km W of Cobb, California · 15077 days ago · 1 km deep · 2 km away
  40. 1.63 km SW of Cobb, California · 15076 days ago · 1 km deep · 5 km away
  41. 2.510 km WSW of Cobb, California · 15076 days ago · 2 km deep · 3 km away
  42. 2.87 km W of Cobb, California · 15076 days ago · 4 km deep · 2 km away
  43. 1.66 km W of Cobb, California · 15075 days ago · 0 km deep · 1 km away
  44. 1.76 km SW of Cobb, California · 15075 days ago · 4 km deep · 4 km away
  45. 2.96 km W of Cobb, California · 15075 days ago · 1 km deep · 2 km away
  46. 1.75 km WSW of Cobb, California · 15075 days ago · 2 km deep · 2 km away
  47. 2.613 km ENE of Cloverdale, California · 15074 days ago · 4 km deep · 7 km away
  48. 1.53 km ENE of Williams, California · 15074 days ago · 14 km deep · 72 km away
  49. 1.97 km W of Cobb, California · 15074 days ago · 1 km deep · 2 km away
  50. 2.617 km N of Upper Lake, California · 15074 days ago · 11 km deep · 58 km away
  51. 1.97 km W of Cobb, California · 15073 days ago · 3 km deep · 1 km away
  52. 1.64 km W of Cobb, California · 15073 days ago · 1 km deep · 2 km away
  53. 2.05 km NNE of Williams, California · 15073 days ago · 16 km deep · 73 km away
  54. 2.67 km W of Cobb, California · 15073 days ago · 3 km deep · 1 km away
  55. 2.47 km W of Cobb, California · 15073 days ago · 3 km deep · 1 km away
  56. 2.06 km SW of Cobb, California · 15072 days ago · 1 km deep · 4 km away
  57. 1.610 km NNW of Sutter, California · 15072 days ago · 4 km deep · 97 km away
  58. 1.72 km W of Santa Rosa, California · 15072 days ago · 6 km deep · 41 km away
  59. 2.18 km WSW of Cobb, California · 15072 days ago · 4 km deep · 2 km away
  60. 1.94 km SW of Cobb, California · 15072 days ago · 0 km deep · 4 km away

The first 60 of 177.

Before

  1. 2.26 km W of Cobb, California · 15088 days ago · 2 km deep · 0 km away
  2. 2.09 km ESE of Williams, California · 15088 days ago · 5 km deep · 74 km away
  3. 1.79 km NW of Cobb, California · 15089 days ago · 1 km deep · 7 km away
  4. 1.65 km NE of College City, California · 15089 days ago · 4 km deep · 76 km away
  5. 2.07 km NNE of Arbuckle, California · 15089 days ago · 8 km deep · 74 km away
  6. 1.68 km WSW of Cobb, California · 15089 days ago · 3 km deep · 2 km away
  7. 1.75 km WSW of Cobb, California · 15090 days ago · 0 km deep · 2 km away
  8. 1.76 km W of Cobb, California · 15090 days ago · 3 km deep · 1 km away
  9. 2.014 km N of Upper Lake, California · 15090 days ago · -1 km deep · 55 km away
  10. 1.8near the coast of Northern California · 15090 days ago · 4 km deep · 66 km away
  11. 1.66 km WSW of Cobb, California · 15090 days ago · 1 km deep · 1 km away
  12. 2.38 km E of Williams, California · 15091 days ago · 17 km deep · 75 km away
  13. 2.24 km SW of Cobb, California · 15091 days ago · 1 km deep · 5 km away
  14. 1.89 km S of Hopland, California · 15091 days ago · 5 km deep · 30 km away
  15. 1.65 km SW of Cobb, California · 15091 days ago · 1 km deep · 5 km away
  16. 1.722 km NE of Potter Valley, California · 15091 days ago · 7 km deep · 73 km away
  17. 1.66 km W of Cobb, California · 15092 days ago · 4 km deep · 1 km away
  18. 2.27 km W of Cobb, California · 15092 days ago · 0 km deep · 1 km away
  19. 2.010 km NNE of Hopland, California · 15093 days ago · 5 km deep · 36 km away
  20. 2.210 km NNE of Hopland, California · 15093 days ago · 5 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc49208. Read Mon, Sep 28, 2026, 10:55 PM UTC.