California earthquakes

M3.0 earthquake 7 km WSW of Cobb, California

A magnitude 3.0 earthquake struck 7 km WSW of Cobb, California on Thu, May 23, 1985, 4:45 AM PDT (11:45 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.6 9 km ESE of Williams, 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
3.0 (ml), minor
Local time
UTC
1985-05-23 11:45:39 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
38.794° N, 122.807° 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 0.1 km horizontally, 0.3 km in depth
Depth from
From location
Station coverage gap
29°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 183 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.85 km W of Cobb, California · 15090 days ago · 1 km deep · 3 km away
  2. 2.17 km W of Cobb, California · 15090 days ago · 3 km deep · 2 km away
  3. 2.19 km WSW of Meridian, California · 15090 days ago · 5 km deep · 77 km away
  4. 2.510 km ESE of Williams, California · 15090 days ago · 18 km deep · 75 km away
  5. 2.6Northern California · 15090 days ago · 1 km deep · 1 km away
  6. 2.16 km E of Williams, California · 15090 days ago · 22 km deep · 75 km away
  7. 2.810 km NNE of Arbuckle, California · 15089 days ago · 9 km deep · 76 km away
  8. 3.69 km ESE of Williams, California · 15089 days ago · 13 km deep · 74 km away
  9. 2.39 km SSW of Colusa, California · 15089 days ago · 16 km deep · 76 km away
  10. 1.86 km SSW of Colusa, California · 15089 days ago · 5 km deep · 78 km away
  11. 3.5Northern California · 15089 days ago · 23 km deep · 76 km away
  12. 1.84 km SSW of Dunnigan, California · 15089 days ago · 5 km deep · 71 km away
  13. 2.28 km NNE of Arbuckle, California · 15089 days ago · 4 km deep · 76 km away
  14. 1.96 km W of Meridian, California · 15089 days ago · 5 km deep · 81 km away
  15. 1.67 km SSW of Colusa, California · 15088 days ago · 5 km deep · 77 km away
  16. 1.88 km W of Cobb, California · 15088 days ago · 1 km deep · 3 km away
  17. 2.48 km W of Cobb, California · 15088 days ago · 1 km deep · 3 km away
  18. 2.610 km WSW of Cobb, California · 15088 days ago · 2 km deep · 3 km away
  19. 1.77 km NE of Clearlake, California · 15088 days ago · 1 km deep · 31 km away
  20. 1.87 km W of Cobb, California · 15087 days ago · 0 km deep · 2 km away
  21. 1.65 km W of Lower Lake, California · 15087 days ago · 4 km deep · 17 km away
  22. 1.86 km W of Lower Lake, California · 15087 days ago · 4 km deep · 16 km away
  23. 1.65km WNW of Lakeport, CA · 15087 days ago · 24 km deep · 32 km away
  24. 1.78 km W of Cobb, California · 15087 days ago · 0 km deep · 3 km away
  25. 2.07 km WNW of Arbuckle, California · 15086 days ago · 4 km deep · 64 km away
  26. 2.210 km NNE of Hopland, California · 15086 days ago · 5 km deep · 37 km away
  27. 2.010 km NNE of Hopland, California · 15086 days ago · 5 km deep · 37 km away
  28. 2.27 km W of Cobb, California · 15086 days ago · 0 km deep · 3 km away
  29. 1.66 km W of Cobb, California · 15085 days ago · 4 km deep · 3 km away
  30. 1.722 km NE of Potter Valley, California · 15085 days ago · 7 km deep · 75 km away
  31. 1.65 km SW of Cobb, California · 15085 days ago · 1 km deep · 5 km away
  32. 1.89 km S of Hopland, California · 15085 days ago · 5 km deep · 30 km away
  33. 2.24 km SW of Cobb, California · 15085 days ago · 1 km deep · 5 km away
  34. 2.38 km E of Williams, California · 15084 days ago · 17 km deep · 76 km away
  35. 1.66 km WSW of Cobb, California · 15084 days ago · 1 km deep · 2 km away
  36. 1.8near the coast of Northern California · 15084 days ago · 4 km deep · 67 km away
  37. 2.014 km N of Upper Lake, California · 15084 days ago · -1 km deep · 57 km away
  38. 1.76 km W of Cobb, California · 15084 days ago · 3 km deep · 3 km away
  39. 1.75 km WSW of Cobb, California · 15083 days ago · 0 km deep · 2 km away
  40. 1.68 km WSW of Cobb, California · 15083 days ago · 3 km deep · 1 km away
  41. 2.07 km NNE of Arbuckle, California · 15083 days ago · 8 km deep · 75 km away
  42. 1.65 km NE of College City, California · 15083 days ago · 4 km deep · 77 km away
  43. 1.79 km NW of Cobb, California · 15083 days ago · 1 km deep · 9 km away
  44. 2.09 km ESE of Williams, California · 15082 days ago · 5 km deep · 76 km away
  45. 2.26 km W of Cobb, California · 15082 days ago · 2 km deep · 2 km away
  46. 1.66 km W of Cobb, California · 15082 days ago · 2 km deep · 2 km away
  47. 1.66 km W of Cobb, California · 15082 days ago · 0 km deep · 3 km away
  48. 1.98 km W of Cobb, California · 15082 days ago · 0 km deep · 4 km away
  49. 1.910 km N of Arbuckle, California · 15081 days ago · 7 km deep · 75 km away
  50. 1.56 km W of Cobb, California · 15081 days ago · 3 km deep · 3 km away
  51. 1.85 km SW of Cobb, California · 15080 days ago · 0 km deep · 3 km away
  52. 1.75 km SW of Cobb, California · 15079 days ago · 1 km deep · 3 km away
  53. 1.67 km WSW of Cobb, California · 15079 days ago · 1 km deep · 1 km away
  54. 1.89 km WSW of Ukiah, California · 15078 days ago · 4 km deep · 58 km away
  55. 1.65 km W of Cobb, California · 15078 days ago · 1 km deep · 4 km away
  56. 1.66 km W of Cobb, California · 15078 days ago · 2 km deep · 2 km away
  57. 1.67 km NNE of Hopland, California · 15078 days ago · 0 km deep · 36 km away
  58. 2.3Northern California · 15077 days ago · 5 km deep · 50 km away
  59. 3.16 km W of Cobb, California · 15077 days ago · 1 km deep · 2 km away
  60. 1.56 km W of Cobb, California · 15077 days ago · 1 km deep · 2 km away

The first 60 of 183.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc48267 (also filed as usp0002f3y). Read Tue, Sep 22, 2026, 8:25 PM UTC.