California earthquakes

M1.9 earthquake 7 km WSW of Cobb, California

A magnitude 1.9 earthquake struck 7 km WSW of Cobb, California on Thu, May 1, 1986, 6:39 AM PDT (13:39 UTC), 0 km (0 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
1.9 (md), micro
Local time
UTC
1986-05-01 13:39:07 UTC
Depth
0.5 km (0.3 mi), shallow
Epicenter
38.793° N, 122.797° 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
±0.17
Depth from
From location
Station coverage gap
68°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 157 in the 60 days after this one and 85 in the 30 days before it.

After

  1. 1.87 km W of Cobb, California · 14761 days ago · 3 km deep · 3 km away
  2. 1.97 km WSW of Cobb, California · 14760 days ago · 2 km deep · 1 km away
  3. 2.06 km SW of Cobb, California · 14760 days ago · 1 km deep · 1 km away
  4. 1.65 km SW of Cobb, California · 14760 days ago · 2 km deep · 2 km away
  5. 1.58 km WSW of Cobb, California · 14760 days ago · 4 km deep · 1 km away
  6. 1.76 km WSW of Cobb, California · 14759 days ago · 9 km deep · 1 km away
  7. 1.713 km SE of Hidden Valley Lake, California · 14759 days ago · -1 km deep · 32 km away
  8. 2.53 km SW of Cobb, California · 14758 days ago · 1 km deep · 4 km away
  9. 1.54 km S of Cobb, California · 14758 days ago · 2 km deep · 6 km away
  10. 1.55 km WSW of Cobb, California · 14758 days ago · 1 km deep · 2 km away
  11. 2.00 km W of Clear Lake Riviera, California · 14757 days ago · 0 km deep · 19 km away
  12. 1.74 km WSW of Cobb, California · 14757 days ago · 1 km deep · 3 km away
  13. 1.66 km W of Cobb, California · 14757 days ago · 3 km deep · 3 km away
  14. 1.75 km WNW of Cobb, California · 14757 days ago · 3 km deep · 5 km away
  15. 1.67 km W of Cobb, California · 14756 days ago · 0 km deep · 2 km away
  16. 3.612 km W of Ukiah, California · 14756 days ago · 26 km deep · 63 km away
  17. 1.67 km W of Cobb, California · 14755 days ago · 3 km deep · 3 km away
  18. 1.67 km SSE of Willits, California · 14755 days ago · 4 km deep · 76 km away
  19. 2.25 km SW of Cobb, California · 14755 days ago · 1 km deep · 4 km away
  20. 2.05 km SW of Cobb, California · 14755 days ago · 0 km deep · 2 km away
  21. 1.85 km SW of Cobb, California · 14754 days ago · 0 km deep · 2 km away
  22. 4.17 km W of Lodoga, California · 14754 days ago · 3 km deep · 60 km away
  23. 1.84 km WSW of Cobb, California · 14754 days ago · 1 km deep · 3 km away
  24. 1.65 km WSW of Cobb, California · 14754 days ago · 1 km deep · 2 km away
  25. 2.15 km W of Cobb, California · 14754 days ago · 0 km deep · 3 km away
  26. 2.14 km NNW of Cobb, California · 14752 days ago · 0 km deep · 8 km away
  27. 1.64 km W of Cobb, California · 14752 days ago · 0 km deep · 3 km away
  28. 1.86 km W of Cobb, California · 14751 days ago · 3 km deep · 3 km away
  29. 1.77 km W of Cobb, California · 14751 days ago · 3 km deep · 3 km away
  30. 1.76 km W of Cobb, California · 14751 days ago · 0 km deep · 4 km away
  31. 3.06 km WSW of Cobb, California · 14750 days ago · -1 km deep · 1 km away
  32. 1.723 km ENE of Potter Valley, California · 14750 days ago · 9 km deep · 69 km away
  33. 2.07 km W of Cobb, California · 14749 days ago · 3 km deep · 3 km away
  34. 2.17 km WSW of Cobb, California · 14749 days ago · 1 km deep · 2 km away
  35. 2.16 km W of Cobb, California · 14749 days ago · 4 km deep · 4 km away
  36. 1.64 km WSW of Cobb, California · 14748 days ago · 2 km deep · 3 km away
  37. 2.25 km WSW of Cobb, California · 14748 days ago · 4 km deep · 1 km away
  38. 2.45 km WSW of Cobb, California · 14748 days ago · 3 km deep · 2 km away
  39. 2.02 km S of Clearlake, California · 14748 days ago · 5 km deep · 22 km away
  40. 2.86 km W of Cobb, California · 14748 days ago · 2 km deep · 3 km away
  41. 2.413 km NNW of Moskowite Corner, California · 14747 days ago · 11 km deep · 54 km away
  42. 2.513 km NNW of Moskowite Corner, California · 14747 days ago · 6 km deep · 53 km away
  43. 2.213 km NNW of Moskowite Corner, California · 14747 days ago · 3 km deep · 53 km away
  44. 1.65 km W of Willows, California · 14745 days ago · 5 km deep · 93 km away
  45. 1.66 km ESE of Geyserville, California · 14745 days ago · 6 km deep · 13 km away
  46. 1.66 km W of Cobb, California · 14745 days ago · 0 km deep · 3 km away
  47. 2.55 km SW of Cobb, California · 14745 days ago · 1 km deep · 3 km away
  48. 1.88 km W of Cobb, California · 14744 days ago · 3 km deep · 3 km away
  49. 2.811 km ESE of Hopland, California · 14744 days ago · 0 km deep · 23 km away
  50. 2.55 km SW of Cobb, California · 14744 days ago · 0 km deep · 3 km away
  51. 2.57 km WSW of Cobb, California · 14744 days ago · -1 km deep · 1 km away
  52. 1.97 km W of Cobb, California · 14744 days ago · 3 km deep · 3 km away
  53. 2.57 km ENE of Brooktrails, California · 14744 days ago · 4 km deep · 86 km away
  54. 2.86 km W of Cobb, California · 14743 days ago · 3 km deep · 3 km away
  55. 1.57 km WSW of Cobb, California · 14743 days ago · 3 km deep · 2 km away
  56. 2.412 km ESE of Hidden Valley Lake, California · 14743 days ago · -1 km deep · 33 km away
  57. 2.16 km W of Cobb, California · 14743 days ago · 2 km deep · 2 km away
  58. 1.67 km W of Cobb, California · 14743 days ago · -1 km deep · 2 km away
  59. 2.26 km WNW of Cobb, California · 14742 days ago · -1 km deep · 5 km away
  60. 1.57 km W of Cobb, California · 14742 days ago · 3 km deep · 2 km away

The first 60 of 157.

Before

  1. 1.76 km W of Cobb, California · 14761 days ago · 4 km deep · 3 km away
  2. 1.66 km WSW of Cobb, California · 14761 days ago · 3 km deep · 1 km away
  3. 2.02 km SSW of Green Valley, California · 14762 days ago · 6 km deep · 83 km away
  4. 2.14 km SW of Oakville, California · 14762 days ago · 11 km deep · 53 km away
  5. 1.86 km W of Cobb, California · 14762 days ago · 3 km deep · 3 km away
  6. 2.37 km W of Cobb, California · 14762 days ago · 3 km deep · 2 km away
  7. 2.18 km WSW of Cobb, California · 14762 days ago · 4 km deep · 2 km away
  8. 1.97 km W of Cobb, California · 14763 days ago · 3 km deep · 2 km away
  9. 2.01 km SE of Larkfield-Wikiup, California · 14763 days ago · 4 km deep · 33 km away
  10. 2.23 km W of Cobb, California · 14763 days ago · 1 km deep · 4 km away
  11. 1.86 km WSW of Cobb, California · 14764 days ago · 1 km deep · 2 km away
  12. 1.829 km NE of Potter Valley, California · 14765 days ago · 4 km deep · 83 km away
  13. 1.629 km NE of Potter Valley, California · 14765 days ago · 4 km deep · 83 km away
  14. 1.87 km W of Cobb, California · 14765 days ago · 3 km deep · 4 km away
  15. 1.65 km WSW of Cobb, California · 14766 days ago · 1 km deep · 2 km away
  16. 1.95 km WNW of Cobb, California · 14766 days ago · 2 km deep · 5 km away
  17. 1.78 km WNW of Cloverdale, California · 14767 days ago · 2 km deep · 27 km away
  18. 1.610 km NE of Talmage, California · 14767 days ago · 3 km deep · 52 km away
  19. 1.629 km NE of Potter Valley, California · 14767 days ago · 4 km deep · 82 km away
  20. 1.82 km NNE of Talmage, California · 14768 days ago · 4 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc71602. Read Tue, Sep 29, 2026, 3:56 PM UTC.