California earthquakes

M2.4 earthquake 5 km WSW of Cobb, California

A magnitude 2.4 earthquake struck 5 km WSW of Cobb, California on Tue, Mar 11, 1986, 2:35 PM PST (22:35 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.1 7 km W of Lodoga, 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
1986-03-11 22:35:20 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
38.807° N, 122.783° 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, 0.5 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
41°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 175 in the 60 days after this one and 84 in the 30 days before it.

After

  1. 1.76 km W of Cobb, California · 14813 days ago · 2 km deep · 1 km away
  2. 1.96 km W of Cobb, California · 14812 days ago · 2 km deep · 1 km away
  3. 2.05 km SW of Cobb, California · 14812 days ago · 0 km deep · 3 km away
  4. 1.66 km W of Cobb, California · 14811 days ago · 3 km deep · 2 km away
  5. 1.76 km NE of Willits, California · 14811 days ago · 7 km deep · 84 km away
  6. 2.25 km SW of Cobb, California · 14811 days ago · 0 km deep · 2 km away
  7. 2.06 km W of Cobb, California · 14811 days ago · 1 km deep · 3 km away
  8. 1.68 km W of Cobb, California · 14810 days ago · -1 km deep · 4 km away
  9. 1.77 km WSW of Cobb, California · 14810 days ago · 1 km deep · 2 km away
  10. 1.66 km W of Cobb, California · 14810 days ago · 3 km deep · 2 km away
  11. 1.53 km WNW of Cobb, California · 14810 days ago · 1 km deep · 3 km away
  12. 1.87 km WSW of Cobb, California · 14809 days ago · 1 km deep · 2 km away
  13. 1.84 km S of Cobb, California · 14809 days ago · 0 km deep · 6 km away
  14. 2.44 km SW of Cobb, California · 14809 days ago · 1 km deep · 2 km away
  15. 1.76 km W of Cobb, California · 14809 days ago · 0 km deep · 1 km away
  16. 2.27 km W of Cobb, California · 14809 days ago · 2 km deep · 3 km away
  17. 2.625 km ENE of Potter Valley, California · 14808 days ago · 10 km deep · 69 km away
  18. 2.15 km W of Cobb, California · 14808 days ago · 0 km deep · 2 km away
  19. 2.25 km WSW of Cobb, California · 14808 days ago · 0 km deep · 1 km away
  20. 1.74 km ESE of Clear Lake Riviera, California · 14807 days ago · 2 km deep · 18 km away
  21. 1.74 km W of Cobb, California · 14807 days ago · 1 km deep · 2 km away
  22. 2.24 km SW of Cobb, California · 14807 days ago · 0 km deep · 3 km away
  23. 1.96 km W of Cobb, California · 14807 days ago · 3 km deep · 2 km away
  24. 1.84 km W of Cobb, California · 14807 days ago · 1 km deep · 2 km away
  25. 1.84 km W of Cobb, California · 14806 days ago · -1 km deep · 2 km away
  26. 2.07 km WSW of Cobb, California · 14806 days ago · 0 km deep · 2 km away
  27. 1.76 km WNW of Cobb, California · 14806 days ago · 1 km deep · 3 km away
  28. 1.77 km W of Cobb, California · 14806 days ago · 3 km deep · 2 km away
  29. 1.83 km SW of Cobb, California · 14805 days ago · 1 km deep · 3 km away
  30. 1.67 km WSW of Cobb, California · 14805 days ago · 1 km deep · 2 km away
  31. 1.96 km W of Cobb, California · 14805 days ago · 3 km deep · 2 km away
  32. 1.64 km W of Cobb, California · 14805 days ago · -1 km deep · 1 km away
  33. 1.52 km SSE of Roseland, California · 14805 days ago · 4 km deep · 45 km away
  34. 1.77 km WSW of Cobb, California · 14805 days ago · 3 km deep · 2 km away
  35. 1.87 km W of Cobb, California · 14804 days ago · 3 km deep · 2 km away
  36. 1.57 km W of Cobb, California · 14804 days ago · 3 km deep · 2 km away
  37. 1.65 km W of Cobb, California · 14804 days ago · 0 km deep · 2 km away
  38. 1.825 km ENE of Potter Valley, California · 14804 days ago · 1 km deep · 65 km away
  39. 1.64 km WSW of Cobb, California · 14804 days ago · 1 km deep · 1 km away
  40. 2.37 km WSW of Cobb, California · 14803 days ago · 0 km deep · 2 km away
  41. 1.76 km W of Cobb, California · 14802 days ago · 3 km deep · 2 km away
  42. 2.07 km ESE of Cloverdale, California · 14802 days ago · 5 km deep · 14 km away
  43. 1.77 km W of Cobb, California · 14802 days ago · 3 km deep · 2 km away
  44. 2.210 km ESE of Willits, California · 14802 days ago · 7 km deep · 75 km away
  45. 3.67 km W of Cobb, California · 14802 days ago · 0 km deep · 3 km away
  46. 2.77 km W of Cobb, California · 14802 days ago · 1 km deep · 3 km away
  47. 2.08 km WSW of Cobb, California · 14801 days ago · 3 km deep · 3 km away
  48. 2.19 km E of Elmira, California · 14801 days ago · 17 km deep · 100 km away
  49. 2.14 km WSW of Cobb, California · 14799 days ago · 1 km deep · 1 km away
  50. 1.84 km WSW of Cobb, California · 14799 days ago · 1 km deep · 1 km away
  51. 1.6Northern California · 14799 days ago · 3 km deep · 2 km away
  52. 1.74 km WSW of Cobb, California · 14799 days ago · 1 km deep · 1 km away
  53. 2.413 km E of Hidden Valley Lake, California · 14798 days ago · 0 km deep · 32 km away
  54. 1.95 km SW of Cobb, California · 14797 days ago · -1 km deep · 3 km away
  55. 2.66 km W of Cobb, California · 14796 days ago · 3 km deep · 2 km away
  56. 2.5Northern California · 14796 days ago · 1 km deep · 2 km away
  57. 2.45 km SW of Cobb, California · 14796 days ago · 1 km deep · 2 km away
  58. 1.65 km WSW of Cobb, California · 14796 days ago · 0 km deep · 1 km away
  59. 2.34 km WSW of Cobb, California · 14795 days ago · 1 km deep · 1 km away
  60. 2.59 km ESE of Hidden Valley Lake, California · 14795 days ago · 7 km deep · 29 km away

The first 60 of 175.

Before

  1. 2.38 km WSW of Cobb, California · 14813 days ago · 1 km deep · 3 km away
  2. 2.18 km ESE of Willits, California · 14813 days ago · 3 km deep · 76 km away
  3. 1.75 km SW of Cobb, California · 14814 days ago · 1 km deep · 3 km away
  4. 1.85 km SW of Cobb, California · 14814 days ago · -1 km deep · 2 km away
  5. 1.74 km WSW of Cobb, California · 14814 days ago · 0 km deep · 1 km away
  6. 2.06 km WSW of Cobb, California · 14815 days ago · 1 km deep · 1 km away
  7. 1.78 km W of Cobb, California · 14815 days ago · 1 km deep · 3 km away
  8. 1.87 km WSW of Cobb, California · 14815 days ago · 1 km deep · 2 km away
  9. 2.18 km W of Cobb, California · 14816 days ago · 1 km deep · 4 km away
  10. 1.67 km SSE of Cloverdale, California · 14816 days ago · 2 km deep · 18 km away
  11. 1.89 km W of Cobb, California · 14817 days ago · -1 km deep · 4 km away
  12. 2.58 km W of Cobb, California · 14817 days ago · 1 km deep · 4 km away
  13. 2.3Northern California · 14817 days ago · 4 km deep · 3 km away
  14. 1.96 km SSW of Calistoga, California · 14817 days ago · 4 km deep · 34 km away
  15. 1.71 km SE of Clear Lake Riviera, California · 14818 days ago · 2 km deep · 17 km away
  16. 2.26 km W of Cobb, California · 14818 days ago · -1 km deep · 2 km away
  17. 2.119 km NNE of Upper Lake, California · 14818 days ago · 5 km deep · 58 km away
  18. 2.119 km NNE of Upper Lake, California · 14818 days ago · 0 km deep · 58 km away
  19. 1.97 km WSW of Cobb, California · 14819 days ago · 0 km deep · 2 km away
  20. 1.65 km WSW of Cobb, California · 14819 days ago · 3 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc67952. Read Wed, Sep 30, 2026, 5:14 PM UTC.