California earthquakes

M2.7 earthquake 14 km NW of Brooktrails, California

A magnitude 2.7 earthquake struck 14 km NW of Brooktrails, California on Fri, Oct 1, 1982, 3:40 AM PDT (10:40 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 near the coast of Northern 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
2.7 (md), micro
Local time
UTC
1982-10-01 10:40:25 UTC
Depth
6.2 km (3.8 mi), shallow
Epicenter
39.538° N, 123.503° 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, 0.4 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
161°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 52 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 1.514 km ENE of Weott, California · 16062 days ago · 25 km deep · 95 km away
  2. 1.916 km NE of Upper Lake, California · 16059 days ago · 5 km deep · 67 km away
  3. 1.510 km S of Kelseyville, California · 16056 days ago · 1 km deep · 94 km away
  4. 1.712 km NE of Upper Lake, California · 16055 days ago · 0 km deep · 70 km away
  5. 1.811 km SSW of Hopland, California · 16055 days ago · 19 km deep · 79 km away
  6. 1.55 km ENE of Laytonville, California · 16054 days ago · 4 km deep · 19 km away
  7. 1.79 km ENE of Benbow, California · 16053 days ago · 29 km deep · 64 km away
  8. 1.56 km W of Cobb, California · 16050 days ago · 2 km deep · 100 km away
  9. 2.36 km NE of Hopland, California · 16049 days ago · 2 km deep · 69 km away
  10. 1.67 km W of Cobb, California · 16049 days ago · 2 km deep · 100 km away
  11. 3.3near the coast of Northern California · 16048 days ago · 7 km deep · 74 km away
  12. 1.79 km SW of Clear Lake Riviera, California · 16047 days ago · -1 km deep · 94 km away
  13. 1.55 km WSW of Hopland, California · 16045 days ago · 3 km deep · 72 km away
  14. 2.22 km N of Elk Creek, California · 16043 days ago · 14 km deep · 83 km away
  15. 1.821 km NNE of Potter Valley, California · 16043 days ago · 7 km deep · 44 km away
  16. 2.08 km ESE of Willits, California · 16043 days ago · 2 km deep · 27 km away
  17. 2.2near the coast of Northern California · 16043 days ago · 7 km deep · 24 km away
  18. 1.624 km SE of Covelo, California · 16041 days ago · 5 km deep · 38 km away
  19. 2.06 km W of Cobb, California · 16041 days ago · 2 km deep · 100 km away
  20. 1.66 km W of Cobb, California · 16039 days ago · 1 km deep · 100 km away
  21. 1.518 km ENE of Potter Valley, California · 16038 days ago · 4 km deep · 54 km away
  22. 2.28 km SSW of Mad River, California · 16037 days ago · 30 km deep · 94 km away
  23. 1.519 km NE of Upper Lake, California · 16037 days ago · 12 km deep · 69 km away
  24. 2.37 km W of Cobb, California · 16035 days ago · 1 km deep · 100 km away
  25. 1.623 km WSW of Weott, California · 16034 days ago · 9 km deep · 97 km away
  26. 1.622 km ENE of Potter Valley, California · 16033 days ago · 11 km deep · 56 km away
  27. 1.712 km NE of Miranda, California · 16032 days ago · 27 km deep · 89 km away
  28. 1.910 km E of Redcrest, California · 16032 days ago · 3 km deep · 99 km away
  29. 2.06 km W of Cobb, California · 16032 days ago · -1 km deep · 100 km away
  30. 1.76 km W of Cobb, California · 16032 days ago · -1 km deep · 99 km away
  31. 2.46 km WSW of Benbow, California · 16031 days ago · 3 km deep · 65 km away
  32. 2.36 km WSW of Benbow, California · 16031 days ago · 2 km deep · 64 km away
  33. 1.6Northern California · 16023 days ago · -1 km deep · 99 km away
  34. 1.66 km WSW of Covelo, California · 16022 days ago · 7 km deep · 30 km away
  35. 1.66 km SW of Covelo, California · 16022 days ago · 4 km deep · 30 km away
  36. 2.16 km NNW of Redwood Valley, California · 16021 days ago · 8 km deep · 34 km away
  37. 1.56 km WNW of Cobb, California · 16021 days ago · 0 km deep · 99 km away
  38. 1.87 km W of Cobb, California · 16019 days ago · 0 km deep · 100 km away
  39. 1.57 km W of Cobb, California · 16019 days ago · 0 km deep · 99 km away
  40. 1.816 km NE of Upper Lake, California · 16019 days ago · 0 km deep · 68 km away
  41. 3.09 km SW of Paskenta, California · 16018 days ago · 21 km deep · 81 km away
  42. 1.65 km WSW of Laytonville, California · 16016 days ago · 2 km deep · 16 km away
  43. 2.016 km NE of Upper Lake, California · 16016 days ago · 1 km deep · 68 km away
  44. 1.58 km ENE of Willits, California · 16015 days ago · 9 km deep · 24 km away
  45. 2.04 km ESE of Clearlake Oaks, California · 16015 days ago · 1 km deep · 96 km away
  46. 1.921 km ENE of Potter Valley, California · 16013 days ago · 10 km deep · 56 km away
  47. 1.814 km SSE of Laytonville, California · 16012 days ago · 6 km deep · 7 km away
  48. 1.66 km W of Cobb, California · 16011 days ago · 0 km deep · 100 km away
  49. 1.53 km NNE of Clearlake, California · 16011 days ago · 1 km deep · 98 km away
  50. 1.66 km SW of Hopland, California · 16008 days ago · 4 km deep · 72 km away
  51. 1.514 km SSW of Mad River, California · 16008 days ago · 21 km deep · 90 km away
  52. 1.77 km W of Cobb, California · 16007 days ago · 0 km deep · 100 km away

Before

  1. 1.76 km ENE of Willits, California · 16063 days ago · 3 km deep · 22 km away
  2. 1.517 km ENE of Potter Valley, California · 16066 days ago · 10 km deep · 52 km away
  3. 1.68 km NW of Laytonville, California · 16068 days ago · 11 km deep · 23 km away
  4. 1.98 km S of Benbow, California · 16068 days ago · 5 km deep · 56 km away
  5. 1.724 km SE of Covelo, California · 16069 days ago · 6 km deep · 38 km away
  6. 2.024 km SE of Covelo, California · 16069 days ago · 4 km deep · 37 km away
  7. 1.823 km SE of Covelo, California · 16069 days ago · 0 km deep · 38 km away
  8. 2.124 km SE of Covelo, California · 16069 days ago · 6 km deep · 38 km away
  9. 2.024 km SE of Covelo, California · 16069 days ago · 6 km deep · 37 km away
  10. 1.824 km SE of Covelo, California · 16069 days ago · 6 km deep · 37 km away
  11. 2.08 km NNW of Leggett, California · 16069 days ago · -1 km deep · 49 km away
  12. 1.88 km W of Cobb, California · 16073 days ago · 1 km deep · 98 km away
  13. 1.615 km SSW of Laytonville, California · 16075 days ago · 5 km deep · 7 km away
  14. 1.97 km W of Cobb, California · 16076 days ago · -1 km deep · 99 km away
  15. 2.46 km W of Cobb, California · 16076 days ago · -1 km deep · 99 km away
  16. 1.925 km SE of Covelo, California · 16077 days ago · 6 km deep · 38 km away
  17. 2.77 km W of Cobb, California · 16077 days ago · 1 km deep · 100 km away
  18. 3.025 km SE of Covelo, California · 16077 days ago · 8 km deep · 38 km away
  19. 3.025 km SE of Covelo, California · 16077 days ago · 7 km deep · 38 km away
  20. 1.57 km NW of Laytonville, California · 16079 days ago · 5 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1079801. Read Tue, Sep 22, 2026, 9:29 PM UTC.