California earthquakes

M2.0 earthquake 5 km SW of Cobb, California

A magnitude 2.0 earthquake struck 5 km SW of Cobb, California on Tue, Aug 19, 1986, 7:41 PM PDT (02:41 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M4.5 26 km NE of Potter Valley, 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
2.0 (md), micro
Local time
UTC
1986-08-20 02:41:40 UTC
Depth
1.4 km (0.9 mi), shallow
Epicenter
38.787° N, 122.774° 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, 0.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
46°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 2.25 km SW of Cobb, California · 14650 days ago · 1 km deep · 0 km away
  2. 2.96 km W of Cobb, California · 14650 days ago · 3 km deep · 5 km away
  3. 2.67 km WSW of Cobb, California · 14649 days ago · 1 km deep · 4 km away
  4. 2.67 km NE of Cloverdale, California · 14648 days ago · 43 km deep · 18 km away
  5. 1.77 km W of Cobb, California · 14647 days ago · -1 km deep · 5 km away
  6. 2.08 km W of Cobb, California · 14647 days ago · 1 km deep · 5 km away
  7. 3.07 km NNW of Geyserville, California · 14647 days ago · 30 km deep · 14 km away
  8. 1.85 km W of Cobb, California · 14646 days ago · 0 km deep · 3 km away
  9. 2.33 km WNW of Cobb, California · 14646 days ago · 0 km deep · 5 km away
  10. 1.64 km W of Cobb, California · 14646 days ago · 2 km deep · 5 km away
  11. 2.03 km W of Cobb, California · 14646 days ago · 0 km deep · 4 km away
  12. 1.76 km W of Cobb, California · 14646 days ago · 3 km deep · 4 km away
  13. 1.87 km W of Cobb, California · 14646 days ago · 1 km deep · 5 km away
  14. 2.57 km W of Cobb, California · 14646 days ago · 0 km deep · 5 km away
  15. 2.17 km W of Cobb, California · 14645 days ago · 1 km deep · 5 km away
  16. 1.84 km SW of Cobb, California · 14645 days ago · 0 km deep · 1 km away
  17. 2.88 km ESE of Point Arena, California · 14645 days ago · -1 km deep · 73 km away
  18. 1.76 km W of Cobb, California · 14644 days ago · 1 km deep · 5 km away
  19. 2.05 km W of Cobb, California · 14644 days ago · 0 km deep · 3 km away
  20. 2.26 km SW of Cobb, California · 14644 days ago · 1 km deep · 1 km away
  21. 3.66 km E of Talmage, California · 14644 days ago · 4 km deep · 47 km away
  22. 1.75 km W of Middletown, California · 14644 days ago · 7 km deep · 8 km away
  23. 2.412 km NNE of Moskowite Corner, California · 14644 days ago · 14 km deep · 63 km away
  24. 1.97 km NNE of Madison, California · 14644 days ago · 9 km deep · 72 km away
  25. 1.70 km WNW of Redwood Valley, California · 14644 days ago · 6 km deep · 66 km away
  26. 1.64 km W of Cobb, California · 14644 days ago · 1 km deep · 4 km away
  27. 2.5Northern California · 14643 days ago · 12 km deep · 72 km away
  28. 2.07 km W of Cobb, California · 14643 days ago · 1 km deep · 4 km away
  29. 1.67 km W of Cobb, California · 14643 days ago · 3 km deep · 5 km away
  30. 1.64 km W of Cobb, California · 14643 days ago · 1 km deep · 4 km away
  31. 2.05 km WSW of Cobb, California · 14642 days ago · -1 km deep · 2 km away
  32. 1.64 km SW of Cobb, California · 14642 days ago · -1 km deep · 2 km away
  33. 1.76 km SW of Cobb, California · 14642 days ago · 0 km deep · 0 km away
  34. 1.96 km W of Cobb, California · 14642 days ago · 1 km deep · 5 km away
  35. 1.84 km SW of Glen Ellen, California · 14642 days ago · 5 km deep · 54 km away
  36. 1.97 km NNW of Redwood Valley, California · 14641 days ago · 2 km deep · 72 km away
  37. 2.12 km NNW of Larkfield-Wikiup, California · 14641 days ago · 8 km deep · 28 km away
  38. 1.79 km NNE of Larkfield-Wikiup, California · 14641 days ago · 4 km deep · 22 km away
  39. 2.08 km ESE of Hopland, California · 14641 days ago · 3 km deep · 28 km away
  40. 1.88 km W of Cobb, California · 14641 days ago · 2 km deep · 4 km away
  41. 1.710 km W of Cobb, California · 14641 days ago · -1 km deep · 7 km away
  42. 2.05 km WSW of Cobb, California · 14641 days ago · 0 km deep · 2 km away
  43. 1.75 km WSW of Cobb, California · 14641 days ago · 0 km deep · 2 km away
  44. 1.66 km WSW of Cobb, California · 14640 days ago · 1 km deep · 3 km away
  45. 2.56 km W of Cobb, California · 14640 days ago · 3 km deep · 5 km away
  46. 1.96 km WSW of Cobb, California · 14639 days ago · 0 km deep · 3 km away
  47. 1.55 km SW of Cobb, California · 14639 days ago · 0 km deep · 0 km away
  48. 2.115 km NNE of Angwin, California · 14638 days ago · 4 km deep · 34 km away
  49. 2.63 km WNW of Cobb, California · 14637 days ago · 0 km deep · 5 km away
  50. 2.13 km WNW of Cobb, California · 14637 days ago · 0 km deep · 5 km away
  51. 2.73 km WNW of Cobb, California · 14637 days ago · 0 km deep · 6 km away
  52. 1.75 km SW of Cobb, California · 14637 days ago · 0 km deep · 1 km away
  53. 1.86 km W of Cobb, California · 14637 days ago · 3 km deep · 4 km away
  54. 3.122 km W of Elk Creek, California · 14637 days ago · 30 km deep · 88 km away
  55. 2.35 km WSW of Cobb, California · 14637 days ago · -1 km deep · 1 km away
  56. 1.96 km WSW of Cobb, California · 14637 days ago · 0 km deep · 1 km away
  57. 1.66 km ENE of Larkfield-Wikiup, California · 14637 days ago · 4 km deep · 30 km away
  58. 1.55 km WSW of Cobb, California · 14636 days ago · 1 km deep · 2 km away
  59. 2.85 km SW of Cobb, California · 14636 days ago · 0 km deep · 1 km away
  60. 2.32 km WNW of Cobb, California · 14636 days ago · -1 km deep · 6 km away

The first 60 of 169.

Before

  1. 2.35 km SW of Cobb, California · 14651 days ago · 1 km deep · 0 km away
  2. 2.04 km N of Larkfield-Wikiup, California · 14653 days ago · 5 km deep · 26 km away
  3. 2.86 km W of Cobb, California · 14653 days ago · 3 km deep · 4 km away
  4. 1.73 km S of Cobb, California · 14654 days ago · 1 km deep · 4 km away
  5. 2.18 km W of Cobb, California · 14655 days ago · 1 km deep · 6 km away
  6. 2.710 km NNE of Angwin, California · 14655 days ago · 7 km deep · 34 km away
  7. 1.77 km W of Cobb, California · 14656 days ago · 3 km deep · 4 km away
  8. 2.84 km WSW of Cobb, California · 14656 days ago · 1 km deep · 2 km away
  9. 2.46 km SW of Cobb, California · 14657 days ago · 1 km deep · 0 km away
  10. 2.30 km S of Sea Ranch, California · 14657 days ago · 0 km deep · 59 km away
  11. 1.67 km WSW of Cobb, California · 14659 days ago · 1 km deep · 3 km away
  12. 2.215 km SW of Williams, California · 14659 days ago · 15 km deep · 53 km away
  13. 2.65 km SW of Cobb, California · 14660 days ago · 2 km deep · 0 km away
  14. 1.95 km SW of Cobb, California · 14660 days ago · 1 km deep · 1 km away
  15. 2.25 km WSW of Cobb, California · 14660 days ago · 0 km deep · 1 km away
  16. 1.97 km WSW of Cobb, California · 14660 days ago · 2 km deep · 2 km away
  17. 1.76 km SW of Cobb, California · 14660 days ago · -1 km deep · 1 km away
  18. 1.95 km SW of Cobb, California · 14660 days ago · 0 km deep · 1 km away
  19. 2.14 km WSW of Cobb, California · 14661 days ago · 1 km deep · 1 km away
  20. 1.85 km SW of Cobb, California · 14661 days ago · 1 km deep · 0 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc79650. Read Tue, Sep 29, 2026, 9:05 PM UTC.