California earthquakes

M1.8 earthquake 7 km SW of Brooktrails, California

A magnitude 1.8 earthquake struck 7 km SW of Brooktrails, California on Mon, Jun 16, 1986, 4:13 PM PDT (23:13 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.7 5 km NNE of Brooktrails, California. This one was a foreshock.

Willits 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1986-06-16 23:13:04 UTC
Depth
5.7 km (3.5 mi), shallow
Epicenter
39.393° N, 123.437° 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 0.6 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
84°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 1.56 km ESE of Geyserville, California · 14720 days ago · 6 km deep · 95 km away
  2. 1.58 km W of Cobb, California · 14720 days ago · 1 km deep · 82 km away
  3. 1.65 km SW of Cobb, California · 14719 days ago · 0 km deep · 88 km away
  4. 2.35 km SW of Cobb, California · 14718 days ago · 0 km deep · 88 km away
  5. 2.85 km SW of Cobb, California · 14718 days ago · -1 km deep · 89 km away
  6. 2.08 km WSW of Cobb, California · 14717 days ago · 3 km deep · 85 km away
  7. 1.88 km E of Lower Lake, California · 14716 days ago · 1 km deep · 96 km away
  8. 1.98 km E of Lower Lake, California · 14716 days ago · 2 km deep · 96 km away
  9. 1.98 km E of Lower Lake, California · 14716 days ago · 6 km deep · 96 km away
  10. 2.48 km E of Lower Lake, California · 14716 days ago · 5 km deep · 96 km away
  11. 2.26 km W of Laytonville, California · 14716 days ago · 3 km deep · 36 km away
  12. 2.58 km WSW of Cobb, California · 14716 days ago · 3 km deep · 85 km away
  13. 1.710 km WSW of Cobb, California · 14715 days ago · -1 km deep · 85 km away
  14. 1.9Northern California · 14715 days ago · 1 km deep · 86 km away
  15. 2.18 km ENE of Talmage, California · 14714 days ago · 23 km deep · 39 km away
  16. 2.37 km WSW of Cobb, California · 14714 days ago · 3 km deep · 86 km away
  17. 2.34 km S of Cobb, California · 14713 days ago · 0 km deep · 92 km away
  18. 2.26 km W of Cobb, California · 14713 days ago · 3 km deep · 84 km away
  19. 1.97 km W of Cobb, California · 14713 days ago · 3 km deep · 84 km away
  20. 1.65 km SW of Cobb, California · 14713 days ago · 1 km deep · 88 km away
  21. 1.714 km ESE of Shelter Cove, California · 14711 days ago · 3 km deep · 77 km away
  22. 2.67 km WSW of Cobb, California · 14711 days ago · 0 km deep · 86 km away
  23. 2.57 km WSW of Cobb, California · 14711 days ago · 0 km deep · 86 km away
  24. 1.68 km W of Cobb, California · 14711 days ago · 1 km deep · 83 km away
  25. 2.14 km W of Laytonville, California · 14711 days ago · 1 km deep · 34 km away
  26. 2.95 km W of Laytonville, California · 14710 days ago · 3 km deep · 34 km away
  27. 2.18 km WSW of Cobb, California · 14710 days ago · 1 km deep · 85 km away
  28. 2.48 km WSW of Cobb, California · 14710 days ago · 1 km deep · 85 km away
  29. 2.25 km SW of Cobb, California · 14710 days ago · 2 km deep · 88 km away
  30. 1.66 km NW of Clearlake Oaks, California · 14709 days ago · 24 km deep · 72 km away
  31. 2.04 km SSW of Cobb, California · 14709 days ago · 1 km deep · 90 km away
  32. 2.05 km SW of Cobb, California · 14709 days ago · 2 km deep · 89 km away
  33. 1.55 km SW of Cobb, California · 14709 days ago · 1 km deep · 88 km away
  34. 3.1near the coast of Northern California · 14709 days ago · 0 km deep · 18 km away
  35. 1.912 km W of Cobb, California · 14708 days ago · 2 km deep · 80 km away
  36. 2.45 km SW of Cobb, California · 14708 days ago · 0 km deep · 88 km away
  37. 1.65 km SW of Cobb, California · 14708 days ago · 0 km deep · 88 km away
  38. 2.39 km ESE of Hopland, California · 14708 days ago · 27 km deep · 62 km away
  39. 1.87 km WSW of Cobb, California · 14707 days ago · 1 km deep · 85 km away
  40. 1.66 km W of Cobb, California · 14707 days ago · 3 km deep · 84 km away
  41. 1.77 km W of Cobb, California · 14706 days ago · 3 km deep · 84 km away
  42. 1.811 km NNE of Cloverdale, California · 14705 days ago · 3 km deep · 66 km away
  43. 2.55 km W of Cobb, California · 14705 days ago · 1 km deep · 85 km away
  44. 2.99 km ESE of Willits, California · 14705 days ago · 6 km deep · 15 km away
  45. 1.77 km W of Cobb, California · 14705 days ago · 3 km deep · 84 km away
  46. 2.27 km W of Cobb, California · 14705 days ago · 1 km deep · 84 km away
  47. 2.06 km WSW of Cobb, California · 14705 days ago · 4 km deep · 86 km away
  48. 1.52 km SSE of Cloverdale, California · 14704 days ago · 5 km deep · 77 km away
  49. 1.86 km WSW of Cobb, California · 14703 days ago · 0 km deep · 86 km away
  50. 1.56 km W of Cobb, California · 14702 days ago · 3 km deep · 85 km away
  51. 1.85 km W of Cobb, California · 14701 days ago · -1 km deep · 84 km away
  52. 1.75 km WNW of Cobb, California · 14701 days ago · -1 km deep · 83 km away
  53. 1.66 km WNW of Cobb, California · 14701 days ago · 1 km deep · 83 km away
  54. 1.56 km SW of Cobb, California · 14701 days ago · 1 km deep · 88 km away
  55. 3.25 km SW of Cobb, California · 14700 days ago · 1 km deep · 88 km away
  56. 1.65 km W of Cobb, California · 14700 days ago · 0 km deep · 85 km away
  57. 1.77 km WSW of Cobb, California · 14700 days ago · 4 km deep · 85 km away
  58. 1.77 km W of Cobb, California · 14699 days ago · 1 km deep · 84 km away
  59. 2.27 km W of Cobb, California · 14699 days ago · 2 km deep · 83 km away
  60. 1.89 km ESE of Willits, California · 14698 days ago · 8 km deep · 17 km away

The first 60 of 182.

Before

  1. 2.26 km SW of Cobb, California · 14721 days ago · -1 km deep · 89 km away
  2. 1.97 km WSW of Cobb, California · 14722 days ago · 2 km deep · 86 km away
  3. 1.96 km W of Cobb, California · 14722 days ago · 3 km deep · 84 km away
  4. 1.719 km NE of Potter Valley, California · 14722 days ago · 4 km deep · 43 km away
  5. 2.09 km WSW of Cobb, California · 14723 days ago · 2 km deep · 85 km away
  6. 1.8Northern California · 14723 days ago · 1 km deep · 88 km away
  7. 2.328 km NW of Paskenta, California · 14723 days ago · 18 km deep · 91 km away
  8. 2.210 km SE of Ruth, California · 14724 days ago · 45 km deep · 91 km away
  9. 2.07 km W of Cobb, California · 14724 days ago · 3 km deep · 83 km away
  10. 3.48 km WSW of Redway, California · 14724 days ago · 4 km deep · 88 km away
  11. 1.55 km WSW of Cobb, California · 14725 days ago · 0 km deep · 87 km away
  12. 2.15 km WSW of Cobb, California · 14725 days ago · 1 km deep · 87 km away
  13. 3.24 km WSW of Hopland, California · 14725 days ago · 5 km deep · 54 km away
  14. 1.811 km N of Cleone, California · 14727 days ago · 30 km deep · 38 km away
  15. 1.58 km ENE of Benbow, California · 14727 days ago · 27 km deep · 81 km away
  16. 1.55 km SW of Cobb, California · 14727 days ago · 2 km deep · 88 km away
  17. 2.29 km WSW of Cobb, California · 14729 days ago · 2 km deep · 85 km away
  18. 1.52 km E of Clear Lake Riviera, California · 14729 days ago · 3 km deep · 80 km away
  19. 2.08 km WSW of Geyserville, California · 14730 days ago · 4 km deep · 89 km away
  20. 1.96 km W of Cobb, California · 14730 days ago · -1 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1138893. Read Mon, Oct 5, 2026, 2:32 PM UTC.