California earthquakes

M3.1 earthquake 13 km NNW of Brooktrails, California

A magnitude 3.1 earthquake struck 13 km NNW of Brooktrails, California on Sun, Dec 19, 1982, 12:12 AM PST (08:12 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.2 9 km ESE of Boonville, California. This one was a foreshock.

Brooktrails 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
3.1 (md), minor
Local time
UTC
1982-12-19 08:12:49 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
39.564° N, 123.422° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
82°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 119 in the 60 days after this one and 38 in the 30 days before it.

After

  1. 2.36 km W of Cobb, California · 15983 days ago · 1 km deep · 99 km away
  2. 2.36 km W of Cobb, California · 15983 days ago · 2 km deep · 99 km away
  3. 1.72 km SW of Clearlake, California · 15982 days ago · 1 km deep · 96 km away
  4. 1.74 km NE of Clearlake, California · 15982 days ago · 1 km deep · 96 km away
  5. 1.96 km WSW of Cobb, California · 15981 days ago · 0 km deep · 100 km away
  6. 2.92 km SE of Clearlake, California · 15981 days ago · 2 km deep · 98 km away
  7. 1.61 km SE of Clearlake, California · 15981 days ago · 3 km deep · 98 km away
  8. 1.92 km SE of Clearlake, California · 15981 days ago · 2 km deep · 98 km away
  9. 1.61 km SSE of Clearlake, California · 15981 days ago · 2 km deep · 98 km away
  10. 2.41 km SSE of Clearlake, California · 15981 days ago · 3 km deep · 98 km away
  11. 2.31 km SSE of Clearlake, California · 15981 days ago · 3 km deep · 98 km away
  12. 1.91 km SE of Clearlake, California · 15981 days ago · 3 km deep · 98 km away
  13. 2.21 km SSE of Clearlake, California · 15981 days ago · 3 km deep · 98 km away
  14. 2.59 km WSW of Cobb, California · 15981 days ago · 2 km deep · 99 km away
  15. 3.019 km W of Shelter Cove, California · 15981 days ago · 2 km deep · 89 km away
  16. 1.67 km W of Cobb, California · 15981 days ago · 3 km deep · 99 km away
  17. 1.710 km SSE of Leggett, California · 15980 days ago · 0 km deep · 32 km away
  18. 1.917 km WNW of Elk Creek, California · 15979 days ago · 10 km deep · 59 km away
  19. 1.66 km W of Cobb, California · 15979 days ago · 3 km deep · 99 km away
  20. 1.66 km W of Cobb, California · 15979 days ago · 3 km deep · 99 km away
  21. 2.712 km ESE of Covelo, California · 15979 days ago · 7 km deep · 34 km away
  22. 1.79 km N of Laytonville, California · 15978 days ago · 4 km deep · 24 km away
  23. 1.722 km ENE of Potter Valley, California · 15978 days ago · 14 km deep · 49 km away
  24. 1.79 km WSW of Cobb, California · 15976 days ago · 1 km deep · 99 km away
  25. 1.83 km NE of Talmage, California · 15976 days ago · 7 km deep · 51 km away
  26. 3.16 km WSW of Cobb, California · 15976 days ago · 3 km deep · 100 km away
  27. 1.77 km W of Cobb, California · 15976 days ago · 3 km deep · 99 km away
  28. 1.630 km NNE of Potter Valley, California · 15976 days ago · 14 km deep · 43 km away
  29. 2.06 km W of Cobb, California · 15976 days ago · 2 km deep · 99 km away
  30. 1.61 km SE of Clearlake, California · 15975 days ago · 2 km deep · 98 km away
  31. 1.97 km W of Cobb, California · 15975 days ago · 0 km deep · 98 km away
  32. 2.016 km WSW of Paskenta, California · 15974 days ago · 4 km deep · 67 km away
  33. 2.26 km E of Lakeport, California · 15973 days ago · 45 km deep · 76 km away
  34. 1.85 km NE of Willits, California · 15973 days ago · 3 km deep · 17 km away
  35. 2.24 km NE of Talmage, California · 15972 days ago · 8 km deep · 51 km away
  36. 2.38 km W of Cobb, California · 15971 days ago · 1 km deep · 99 km away
  37. 1.510 km N of Brooktrails, California · 15971 days ago · 5 km deep · 4 km away
  38. 1.9Northern California · 15971 days ago · 0 km deep · 98 km away
  39. 1.65 km W of Cobb, California · 15970 days ago · 1 km deep · 100 km away
  40. 2.74 km SSW of Willits, California · 15969 days ago · 4 km deep · 22 km away
  41. 1.63 km SE of Calpella, California · 15969 days ago · 2 km deep · 45 km away
  42. 1.830 km W of Paskenta, California · 15969 days ago · 7 km deep · 58 km away
  43. 1.77 km W of Cobb, California · 15967 days ago · 0 km deep · 99 km away
  44. 1.67 km E of Willits, California · 15967 days ago · 7 km deep · 22 km away
  45. 2.25 km ENE of Willits, California · 15967 days ago · 3 km deep · 18 km away
  46. 1.65 km WNW of Redwood Valley, California · 15966 days ago · 7 km deep · 34 km away
  47. 1.711 km ESE of Covelo, California · 15966 days ago · 6 km deep · 34 km away
  48. 1.725 km SE of Covelo, California · 15965 days ago · 14 km deep · 31 km away
  49. 1.78 km E of Willits, California · 15965 days ago · 9 km deep · 23 km away
  50. 1.96 km ESE of Willits, California · 15964 days ago · 8 km deep · 23 km away
  51. 1.95 km W of Hopland, California · 15964 days ago · 6 km deep · 68 km away
  52. 1.510 km S of Laytonville, California · 15964 days ago · -1 km deep · 7 km away
  53. 1.87 km W of Laytonville, California · 15963 days ago · 0 km deep · 19 km away
  54. 2.05 km NE of Hopland, California · 15962 days ago · 5 km deep · 68 km away
  55. 2.14 km NNW of Redwood Valley, California · 15962 days ago · 7 km deep · 33 km away
  56. 1.87 km W of Cobb, California · 15962 days ago · 3 km deep · 98 km away
  57. 1.61 km SE of Clearlake, California · 15962 days ago · 3 km deep · 98 km away
  58. 2.05 km NE of Hopland, California · 15962 days ago · 5 km deep · 68 km away
  59. 1.84 km ENE of Willits, California · 15962 days ago · 7 km deep · 18 km away
  60. 1.710 km W of Cobb, California · 15962 days ago · 4 km deep · 96 km away

The first 60 of 119.

Before

  1. 2.8Northern California · 15984 days ago · 8 km deep · 97 km away
  2. 2.5near the coast of Northern California · 15985 days ago · 5 km deep · 31 km away
  3. 1.54 km ESE of Calpella, California · 15985 days ago · 0 km deep · 45 km away
  4. 1.814 km NNE of Shelter Cove, California · 15987 days ago · 19 km deep · 85 km away
  5. 1.69 km WSW of Cobb, California · 15990 days ago · 2 km deep · 99 km away
  6. 1.6Northern California · 15990 days ago · 0 km deep · 100 km away
  7. 1.818 km NNE of Lucerne, California · 15991 days ago · 12 km deep · 73 km away
  8. 2.26 km W of Cobb, California · 15992 days ago · 1 km deep · 98 km away
  9. 2.86 km WSW of Lower Lake, California · 15993 days ago · 3 km deep · 98 km away
  10. 1.76 km SSE of Clear Lake Riviera, California · 15993 days ago · 5 km deep · 97 km away
  11. 2.06 km W of Cobb, California · 15994 days ago · 0 km deep · 100 km away
  12. 2.228 km ENE of Covelo, California · 15995 days ago · 1 km deep · 55 km away
  13. 1.86 km W of Cobb, California · 15995 days ago · 3 km deep · 99 km away
  14. 2.39 km WSW of Cobb, California · 15997 days ago · 2 km deep · 98 km away
  15. 2.07 km W of Cobb, California · 15998 days ago · 3 km deep · 98 km away
  16. 2.37 km W of Cobb, California · 15999 days ago · 2 km deep · 99 km away
  17. 2.131 km E of Covelo, California · 16000 days ago · 10 km deep · 50 km away
  18. 2.030 km E of Covelo, California · 16000 days ago · 7 km deep · 49 km away
  19. 1.88 km SSE of Laytonville, California · 16001 days ago · 8 km deep · 6 km away
  20. 1.89 km WSW of Cobb, California · 16002 days ago · 2 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1083234. Read Tue, Sep 22, 2026, 5:24 PM UTC.