California earthquakes

M2.5 earthquake 7 km WSW of Cobb, California

A magnitude 2.5 earthquake struck 7 km WSW of Cobb, California on Tue, Jan 22, 1985, 5:14 PM PST (01:14 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.1 11 km NNE of Cloverdale, 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
2.5 (md), micro
Local time
UTC
1985-01-23 01:14:44 UTC
Depth
0.2 km (0.1 mi), shallow
Epicenter
38.803° N, 122.804° 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, 0.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
33°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 117 in the 30 days before it.

After

  1. 1.67 km WSW of Cobb, California · 15224 days ago · 1 km deep · 0 km away
  2. 2.07 km WSW of Cobb, California · 15224 days ago · 1 km deep · 0 km away
  3. 1.76 km W of Cobb, California · 15224 days ago · 3 km deep · 2 km away
  4. 1.67 km W of Cobb, California · 15224 days ago · 3 km deep · 2 km away
  5. 1.66 km W of Cobb, California · 15224 days ago · 3 km deep · 2 km away
  6. 2.77 km W of Cobb, California · 15224 days ago · 1 km deep · 3 km away
  7. 1.86 km W of Cobb, California · 15224 days ago · 3 km deep · 2 km away
  8. 1.920 km NNE of Potter Valley, California · 15223 days ago · 7 km deep · 79 km away
  9. 2.07 km WSW of Cobb, California · 15223 days ago · 1 km deep · 0 km away
  10. 1.511 km NNE of Angwin, California · 15222 days ago · 1 km deep · 37 km away
  11. 1.56 km W of Cobb, California · 15222 days ago · 3 km deep · 2 km away
  12. 2.86 km W of Cobb, California · 15222 days ago · 3 km deep · 3 km away
  13. 1.97 km WSW of Cobb, California · 15222 days ago · 2 km deep · 1 km away
  14. 1.97 km NNE of Geyserville, California · 15221 days ago · 2 km deep · 8 km away
  15. 1.86 km W of Cobb, California · 15221 days ago · 0 km deep · 2 km away
  16. 1.67 km W of Cobb, California · 15221 days ago · 1 km deep · 2 km away
  17. 2.07 km W of Cobb, California · 15220 days ago · 3 km deep · 2 km away
  18. 1.76 km W of Cobb, California · 15220 days ago · 1 km deep · 3 km away
  19. 1.67 km W of Cobb, California · 15220 days ago · 4 km deep · 2 km away
  20. 3.25 km NNW of Geyserville, California · 15220 days ago · 4 km deep · 12 km away
  21. 2.86 km WNW of Cobb, California · 15220 days ago · 0 km deep · 4 km away
  22. 1.53 km ENE of Willits, California · 15220 days ago · 7 km deep · 82 km away
  23. 1.87 km W of Cobb, California · 15219 days ago · 4 km deep · 2 km away
  24. 1.66 km W of Cobb, California · 15219 days ago · 3 km deep · 2 km away
  25. 1.59 km W of Cobb, California · 15218 days ago · 2 km deep · 2 km away
  26. 1.84 km WSW of Cobb, California · 15218 days ago · 1 km deep · 3 km away
  27. 2.67 km WSW of Cobb, California · 15218 days ago · 4 km deep · 1 km away
  28. 1.75 km W of Calpella, California · 15218 days ago · 2 km deep · 62 km away
  29. 1.77 km WSW of Cobb, California · 15218 days ago · 2 km deep · 1 km away
  30. 1.67 km NNE of Geyserville, California · 15217 days ago · 2 km deep · 8 km away
  31. 1.64 km E of Hopland, California · 15217 days ago · 26 km deep · 30 km away
  32. 1.63 km E of Hopland, California · 15217 days ago · 23 km deep · 30 km away
  33. 2.46 km SW of Cobb, California · 15217 days ago · 2 km deep · 3 km away
  34. 1.76 km W of Cobb, California · 15217 days ago · 3 km deep · 2 km away
  35. 3.17 km W of Cobb, California · 15217 days ago · 4 km deep · 2 km away
  36. 2.47 km W of Cobb, California · 15217 days ago · 4 km deep · 2 km away
  37. 1.818 km ENE of Potter Valley, California · 15216 days ago · 9 km deep · 67 km away
  38. 2.55 km SW of Cobb, California · 15216 days ago · 1 km deep · 3 km away
  39. 1.86 km W of Cobb, California · 15216 days ago · 3 km deep · 2 km away
  40. 1.56 km SSW of Hopland, California · 15215 days ago · 0 km deep · 33 km away
  41. 2.13 km SW of Cobb, California · 15215 days ago · 1 km deep · 5 km away
  42. 1.67 km W of Cobb, California · 15214 days ago · 4 km deep · 1 km away
  43. 1.61 km SW of Redwood Valley, California · 15214 days ago · 3 km deep · 61 km away
  44. 2.04 km WSW of Cobb, California · 15214 days ago · 1 km deep · 3 km away
  45. 1.95 km NNW of Geyserville, California · 15213 days ago · 5 km deep · 12 km away
  46. 1.66 km E of Willits, California · 15213 days ago · 5 km deep · 79 km away
  47. 1.77 km WSW of Cobb, California · 15213 days ago · 4 km deep · 0 km away
  48. 1.95 km ENE of Clearlake, California · 15213 days ago · 1 km deep · 28 km away
  49. 1.65 km SSW of Cobb, California · 15213 days ago · 1 km deep · 5 km away
  50. 2.45 km E of Redwood Valley, California · 15212 days ago · 7 km deep · 58 km away
  51. 1.56 km W of Cobb, California · 15211 days ago · 3 km deep · 2 km away
  52. 1.611 km SSW of Kelseyville, California · 15210 days ago · 9 km deep · 10 km away
  53. 1.97 km WSW of Cobb, California · 15210 days ago · 1 km deep · 1 km away
  54. 1.68 km ENE of Willits, California · 15210 days ago · 9 km deep · 81 km away
  55. 1.74 km W of Cobb, California · 15209 days ago · -1 km deep · 3 km away
  56. 2.25 km SW of Cobb, California · 15209 days ago · 0 km deep · 4 km away
  57. 1.611 km ESE of Hidden Valley Lake, California · 15209 days ago · 0 km deep · 33 km away
  58. 1.66 km W of Cobb, California · 15209 days ago · 3 km deep · 2 km away
  59. 1.85 km W of Cobb, California · 15209 days ago · 0 km deep · 2 km away
  60. 1.69 km E of Willits, California · 15209 days ago · 8 km deep · 77 km away

The first 60 of 194.

Before

  1. 2.37 km WSW of Cobb, California · 15224 days ago · 0 km deep · 0 km away
  2. 1.98 km ENE of Hopland, California · 15224 days ago · 22 km deep · 30 km away
  3. 1.57 km WSW of Cobb, California · 15224 days ago · 1 km deep · 1 km away
  4. 3.16 km WSW of Cobb, California · 15224 days ago · 0 km deep · 1 km away
  5. 1.85 km SW of Cobb, California · 15224 days ago · 1 km deep · 4 km away
  6. 1.87 km W of Cobb, California · 15224 days ago · 3 km deep · 1 km away
  7. 1.58 km WSW of Cobb, California · 15224 days ago · 4 km deep · 1 km away
  8. 1.96 km W of Cobb, California · 15224 days ago · 2 km deep · 1 km away
  9. 1.76 km W of Cobb, California · 15224 days ago · 0 km deep · 2 km away
  10. 2.66 km W of Cobb, California · 15224 days ago · 1 km deep · 1 km away
  11. 3.56 km W of Cobb, California · 15224 days ago · 1 km deep · 2 km away
  12. 1.76 km W of Cobb, California · 15225 days ago · 0 km deep · 3 km away
  13. 1.912 km W of Cobb, California · 15225 days ago · -1 km deep · 6 km away
  14. 1.65 km SSW of Hopland, California · 15225 days ago · 2 km deep · 31 km away
  15. 1.62 km SE of Hopland, California · 15226 days ago · 10 km deep · 31 km away
  16. 1.74 km WSW of Cobb, California · 15226 days ago · 1 km deep · 3 km away
  17. 1.614 km SSW of Hopland, California · 15226 days ago · 12 km deep · 36 km away
  18. 1.77 km WSW of Cobb, California · 15227 days ago · 3 km deep · 1 km away
  19. 1.714 km NNE of Angwin, California · 15227 days ago · 13 km deep · 39 km away
  20. 2.26 km W of Cobb, California · 15227 days ago · 2 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc38587. Read Mon, Sep 28, 2026, 11:55 PM UTC.