California earthquakes

M2.0 earthquake 7 km W of Cobb, California

A magnitude 2.0 earthquake struck 7 km W of Cobb, California on Wed, Dec 4, 1985, 12:51 AM PST (08:51 UTC), 1 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.0 (md), micro
Local time
UTC
1985-12-04 08:51:49 UTC
Depth
1.0 km (0.6 mi), shallow
Epicenter
38.824° N, 122.811° 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, 0.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
110°
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 125 in the 30 days before it.

After

  1. 1.88 km W of Cobb, California · 14908 days ago · 0 km deep · 1 km away
  2. 1.88 km W of Cobb, California · 14908 days ago · -1 km deep · 1 km away
  3. 2.38 km W of Cobb, California · 14907 days ago · 0 km deep · 1 km away
  4. 1.86 km W of Cobb, California · 14907 days ago · 1 km deep · 2 km away
  5. 2.06 km W of Cobb, California · 14907 days ago · 2 km deep · 1 km away
  6. 1.66 km W of Cobb, California · 14906 days ago · 2 km deep · 1 km away
  7. 1.68 km W of Cobb, California · 14906 days ago · 1 km deep · 0 km away
  8. 2.614 km NNW of Moskowite Corner, California · 14906 days ago · 3 km deep · 56 km away
  9. 3.15 km SW of Cobb, California · 14906 days ago · 1 km deep · 5 km away
  10. 2.9Northern California · 14906 days ago · 0 km deep · 5 km away
  11. 2.06 km W of Cobb, California · 14905 days ago · 3 km deep · 1 km away
  12. 1.73 km WNW of Cobb, California · 14905 days ago · 0 km deep · 4 km away
  13. 1.73 km W of Glen Ellen, California · 14905 days ago · 9 km deep · 56 km away
  14. 1.79 km W of Cobb, California · 14905 days ago · 1 km deep · 2 km away
  15. 1.55 km SW of Cobb, California · 14905 days ago · 1 km deep · 5 km away
  16. 1.97 km W of Cobb, California · 14905 days ago · 1 km deep · 0 km away
  17. 1.67 km W of Cobb, California · 14905 days ago · 1 km deep · 0 km away
  18. 1.97 km W of Cobb, California · 14905 days ago · 1 km deep · 0 km away
  19. 1.68 km W of Cobb, California · 14904 days ago · -1 km deep · 1 km away
  20. 1.76 km W of Cobb, California · 14904 days ago · 2 km deep · 2 km away
  21. 1.67 km WSW of Cobb, California · 14904 days ago · 0 km deep · 2 km away
  22. 2.1Northern California · 14904 days ago · 1 km deep · 2 km away
  23. 1.77 km W of Cobb, California · 14903 days ago · 1 km deep · 0 km away
  24. 1.66 km W of Cobb, California · 14903 days ago · 2 km deep · 1 km away
  25. 2.07 km W of Cobb, California · 14903 days ago · -1 km deep · 0 km away
  26. 1.68 km W of Cobb, California · 14903 days ago · 0 km deep · 1 km away
  27. 1.84 km WSW of Cobb, California · 14903 days ago · 0 km deep · 3 km away
  28. 2.32 km S of Lakeport, California · 14902 days ago · 21 km deep · 23 km away
  29. 1.65 km SW of Cobb, California · 14902 days ago · 0 km deep · 5 km away
  30. 2.14 km W of Cobb, California · 14902 days ago · 1 km deep · 3 km away
  31. 2.08 km WSW of Cobb, California · 14902 days ago · 3 km deep · 2 km away
  32. 2.02 km W of Forestville, California · 14902 days ago · 0 km deep · 40 km away
  33. 1.87 km WSW of Cobb, California · 14902 days ago · 1 km deep · 2 km away
  34. 2.45 km SSW of Calistoga, California · 14902 days ago · 5 km deep · 38 km away
  35. 1.75 km SE of Calpella, California · 14902 days ago · 5 km deep · 52 km away
  36. 1.64 km S of Cobb, California · 14901 days ago · 1 km deep · 9 km away
  37. 1.56 km W of Cobb, California · 14901 days ago · -1 km deep · 1 km away
  38. 1.76 km W of Cobb, California · 14901 days ago · 3 km deep · 1 km away
  39. 2.27 km W of Cobb, California · 14901 days ago · 1 km deep · 1 km away
  40. 1.77 km W of Cobb, California · 14901 days ago · 0 km deep · 0 km away
  41. 1.84 km W of Cobb, California · 14900 days ago · 1 km deep · 3 km away
  42. 1.64 km W of Cobb, California · 14900 days ago · 1 km deep · 3 km away
  43. 1.77 km WSW of Cobb, California · 14900 days ago · 3 km deep · 2 km away
  44. 1.67 km WSW of Cobb, California · 14899 days ago · 1 km deep · 3 km away
  45. 1.69 km ENE of Hidden Valley Lake, California · 14899 days ago · 9 km deep · 31 km away
  46. 1.89 km ENE of Hidden Valley Lake, California · 14899 days ago · 8 km deep · 31 km away
  47. 1.66 km W of Cobb, California · 14899 days ago · -1 km deep · 1 km away
  48. 2.05 km WSW of Cobb, California · 14899 days ago · 2 km deep · 3 km away
  49. 1.67 km E of Willits, California · 14897 days ago · 8 km deep · 77 km away
  50. 1.66 km WSW of Cobb, California · 14897 days ago · 3 km deep · 3 km away
  51. 1.916 km NE of Lucerne, California · 14897 days ago · 5 km deep · 44 km away
  52. 2.25 km SW of Cobb, California · 14897 days ago · 0 km deep · 6 km away
  53. 1.68 km W of Cobb, California · 14896 days ago · 1 km deep · 1 km away
  54. 1.96 km W of Cobb, California · 14896 days ago · 3 km deep · 1 km away
  55. 2.05 km SW of Cobb, California · 14895 days ago · 1 km deep · 6 km away
  56. 1.54 km WSW of Cobb, California · 14895 days ago · 1 km deep · 4 km away
  57. 1.67 km W of Cobb, California · 14895 days ago · 4 km deep · 1 km away
  58. 1.77 km WSW of Cobb, California · 14894 days ago · 1 km deep · 2 km away
  59. 1.518 km ENE of Sea Ranch, California · 14894 days ago · 3 km deep · 40 km away
  60. 1.76 km W of Cobb, California · 14893 days ago · 3 km deep · 1 km away

The first 60 of 176.

Before

  1. 1.66 km W of Cobb, California · 14909 days ago · 3 km deep · 1 km away
  2. 1.85 km WSW of Cobb, California · 14909 days ago · 1 km deep · 4 km away
  3. 2.24 km SW of Cobb, California · 14909 days ago · 1 km deep · 6 km away
  4. 1.75 km SW of Cobb, California · 14909 days ago · 0 km deep · 6 km away
  5. 1.99 km W of Cobb, California · 14910 days ago · 1 km deep · 3 km away
  6. 2.79 km W of Cobb, California · 14910 days ago · -1 km deep · 2 km away
  7. 1.85 km W of Cobb, California · 14910 days ago · 0 km deep · 3 km away
  8. 1.810 km WSW of Cobb, California · 14910 days ago · 1 km deep · 4 km away
  9. 1.65 km WSW of Cobb, California · 14910 days ago · 0 km deep · 4 km away
  10. 1.64 km S of Cobb, California · 14910 days ago · 2 km deep · 9 km away
  11. 1.94 km WNW of Cobb, California · 14910 days ago · 2 km deep · 4 km away
  12. 1.75 km NNE of Guerneville, California · 14910 days ago · 2 km deep · 34 km away
  13. 2.118 km NNW of Cazadero, California · 14911 days ago · 1 km deep · 35 km away
  14. 1.88 km N of Upper Lake, California · 14911 days ago · 6 km deep · 47 km away
  15. 1.57 km W of Cobb, California · 14911 days ago · 3 km deep · 1 km away
  16. 1.614 km ESE of Hidden Valley Lake, California · 14912 days ago · -1 km deep · 35 km away
  17. 1.910 km ESE of Hidden Valley Lake, California · 14912 days ago · 5 km deep · 32 km away
  18. 2.18 km WSW of Cobb, California · 14912 days ago · 3 km deep · 3 km away
  19. 1.93 km NNE of Healdsburg, California · 14912 days ago · 6 km deep · 20 km away
  20. 1.912 km NE of Windsor, California · 14912 days ago · 6 km deep · 23 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc60666. Read Mon, Sep 28, 2026, 5:48 PM UTC.