California earthquakes

M2.4 earthquake 6 km SW of Cobb, California

A magnitude 2.4 earthquake struck 6 km SW of Cobb, California on Tue, Jan 29, 1985, 10:04 PM PST (06:04 UTC), 2 km (1 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
2.4 (md), micro
Local time
UTC
1985-01-30 06:04:09 UTC
Depth
1.9 km (1.2 mi), shallow
Epicenter
38.781° N, 122.775° 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
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
36°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 124 in the 30 days before it.

After

  1. 1.76 km W of Cobb, California · 15217 days ago · 3 km deep · 5 km away
  2. 3.17 km W of Cobb, California · 15217 days ago · 4 km deep · 5 km away
  3. 2.47 km W of Cobb, California · 15217 days ago · 4 km deep · 5 km away
  4. 1.818 km ENE of Potter Valley, California · 15217 days ago · 9 km deep · 70 km away
  5. 2.55 km SW of Cobb, California · 15216 days ago · 1 km deep · 1 km away
  6. 1.86 km W of Cobb, California · 15216 days ago · 3 km deep · 5 km away
  7. 1.56 km SSW of Hopland, California · 15216 days ago · 0 km deep · 36 km away
  8. 2.13 km SW of Cobb, California · 15216 days ago · 1 km deep · 3 km away
  9. 1.67 km W of Cobb, California · 15215 days ago · 4 km deep · 5 km away
  10. 1.61 km SW of Redwood Valley, California · 15215 days ago · 3 km deep · 65 km away
  11. 2.04 km WSW of Cobb, California · 15214 days ago · 1 km deep · 3 km away
  12. 1.95 km NNW of Geyserville, California · 15213 days ago · 5 km deep · 14 km away
  13. 1.66 km E of Willits, California · 15213 days ago · 5 km deep · 82 km away
  14. 1.77 km WSW of Cobb, California · 15213 days ago · 4 km deep · 4 km away
  15. 1.95 km ENE of Clearlake, California · 15213 days ago · 1 km deep · 29 km away
  16. 1.65 km SSW of Cobb, California · 15213 days ago · 1 km deep · 2 km away
  17. 2.45 km E of Redwood Valley, California · 15212 days ago · 7 km deep · 62 km away
  18. 1.56 km W of Cobb, California · 15212 days ago · 3 km deep · 5 km away
  19. 1.611 km SSW of Kelseyville, California · 15210 days ago · 9 km deep · 14 km away
  20. 1.97 km WSW of Cobb, California · 15210 days ago · 1 km deep · 3 km away
  21. 1.68 km ENE of Willits, California · 15210 days ago · 9 km deep · 84 km away
  22. 1.74 km W of Cobb, California · 15209 days ago · -1 km deep · 4 km away
  23. 2.25 km SW of Cobb, California · 15209 days ago · 0 km deep · 1 km away
  24. 1.611 km ESE of Hidden Valley Lake, California · 15209 days ago · 0 km deep · 30 km away
  25. 1.66 km W of Cobb, California · 15209 days ago · 3 km deep · 5 km away
  26. 1.85 km W of Cobb, California · 15209 days ago · 0 km deep · 4 km away
  27. 1.69 km E of Willits, California · 15209 days ago · 8 km deep · 80 km away
  28. 2.03 km SW of Cobb, California · 15209 days ago · 1 km deep · 3 km away
  29. 1.62 km SW of Cobb, California · 15208 days ago · 4 km deep · 4 km away
  30. 2.08 km W of Cobb, California · 15208 days ago · 1 km deep · 6 km away
  31. 1.613 km SE of Hidden Valley Lake, California · 15208 days ago · -1 km deep · 30 km away
  32. 2.45 km WSW of Cobb, California · 15207 days ago · 0 km deep · 2 km away
  33. 2.25 km SW of Cobb, California · 15207 days ago · 0 km deep · 1 km away
  34. 1.512 km S of Kelseyville, California · 15207 days ago · -1 km deep · 12 km away
  35. 1.74 km NNE of Lucerne, California · 15207 days ago · 17 km deep · 39 km away
  36. 1.94 km W of Cobb, California · 15206 days ago · 0 km deep · 5 km away
  37. 2.17 km WSW of Cobb, California · 15206 days ago · 2 km deep · 4 km away
  38. 2.07 km WSW of Cobb, California · 15206 days ago · 2 km deep · 4 km away
  39. 2.53 km NNE of Clearlake, California · 15206 days ago · 0 km deep · 27 km away
  40. 1.84 km W of Cobb, California · 15206 days ago · 0 km deep · 4 km away
  41. 1.67 km W of Cobb, California · 15205 days ago · 3 km deep · 5 km away
  42. 2.14 km WSW of Cobb, California · 15205 days ago · 1 km deep · 2 km away
  43. 2.15 km SW of Cobb, California · 15204 days ago · 1 km deep · 1 km away
  44. 1.56 km W of Cobb, California · 15204 days ago · 3 km deep · 5 km away
  45. 2.76 km WNW of Cobb, California · 15204 days ago · 0 km deep · 6 km away
  46. 1.67 km N of Cloverdale, California · 15204 days ago · 1 km deep · 24 km away
  47. 1.56 km W of Cobb, California · 15204 days ago · 1 km deep · 5 km away
  48. 1.66 km W of Cobb, California · 15203 days ago · 3 km deep · 4 km away
  49. 1.68 km WSW of Upper Lake, California · 15203 days ago · 4 km deep · 43 km away
  50. 1.96 km W of Cobb, California · 15202 days ago · 3 km deep · 5 km away
  51. 2.122 km NNE of Potter Valley, California · 15201 days ago · 7 km deep · 82 km away
  52. 1.8Northern California · 15201 days ago · 1 km deep · 4 km away
  53. 1.66 km WSW of Cobb, California · 15201 days ago · 3 km deep · 3 km away
  54. 1.86 km WSW of Cobb, California · 15201 days ago · 1 km deep · 3 km away
  55. 3.46 km WSW of Cobb, California · 15200 days ago · 0 km deep · 2 km away
  56. 2.07 km WSW of Cobb, California · 15200 days ago · 0 km deep · 2 km away
  57. 2.922 km NNE of Potter Valley, California · 15200 days ago · 7 km deep · 82 km away
  58. 2.022 km NNE of Potter Valley, California · 15200 days ago · 7 km deep · 82 km away
  59. 1.68 km W of Cobb, California · 15200 days ago · 0 km deep · 6 km away
  60. 1.75 km SW of Cobb, California · 15200 days ago · 1 km deep · 0 km away

The first 60 of 191.

Before

  1. 1.63 km E of Hopland, California · 15217 days ago · 23 km deep · 34 km away
  2. 1.64 km E of Hopland, California · 15217 days ago · 26 km deep · 34 km away
  3. 1.67 km NNE of Geyserville, California · 15217 days ago · 2 km deep · 9 km away
  4. 1.77 km WSW of Cobb, California · 15218 days ago · 2 km deep · 4 km away
  5. 1.75 km W of Calpella, California · 15218 days ago · 2 km deep · 65 km away
  6. 2.67 km WSW of Cobb, California · 15218 days ago · 4 km deep · 4 km away
  7. 1.84 km WSW of Cobb, California · 15218 days ago · 1 km deep · 2 km away
  8. 1.59 km W of Cobb, California · 15219 days ago · 2 km deep · 6 km away
  9. 1.66 km W of Cobb, California · 15219 days ago · 3 km deep · 5 km away
  10. 1.87 km W of Cobb, California · 15220 days ago · 4 km deep · 5 km away
  11. 1.53 km ENE of Willits, California · 15220 days ago · 7 km deep · 85 km away
  12. 2.86 km WNW of Cobb, California · 15220 days ago · 0 km deep · 7 km away
  13. 3.25 km NNW of Geyserville, California · 15220 days ago · 4 km deep · 14 km away
  14. 1.67 km W of Cobb, California · 15220 days ago · 4 km deep · 5 km away
  15. 1.76 km W of Cobb, California · 15220 days ago · 1 km deep · 6 km away
  16. 2.07 km W of Cobb, California · 15220 days ago · 3 km deep · 5 km away
  17. 1.67 km W of Cobb, California · 15221 days ago · 1 km deep · 5 km away
  18. 1.86 km W of Cobb, California · 15221 days ago · 0 km deep · 5 km away
  19. 1.97 km NNE of Geyserville, California · 15221 days ago · 2 km deep · 9 km away
  20. 1.97 km WSW of Cobb, California · 15222 days ago · 2 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc39217. Read Tue, Sep 29, 2026, 4:13 AM UTC.