California earthquakes

M3.1 earthquake 20 km ENE of Ruth, California

A magnitude 3.1 earthquake struck 20 km ENE of Ruth, California on Sat, Sep 11, 1982, 11:51 PM PDT (06:51 UTC), 38 km (24 mi) below the surface.

A larger quake followed: M3.3 near the coast of Northern California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.1 (ml), minor
Local time
UTC
1982-09-12 06:51:32 UTC
Depth
38.3 km (23.8 mi), shallow
Epicenter
40.357° N, 123.105° 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, 1.0 km in depth
Depth from
From location
Station coverage gap
39°
Stations used
93

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 58 in the 60 days after this one and 29 in the 30 days before it.

After

  1. 1.57 km NW of Laytonville, California · 16079 days ago · 5 km deep · 79 km away
  2. 1.614 km NNE of Redcrest, California · 16079 days ago · 24 km deep · 68 km away
  3. 3.010 km ESE of Pine Hills, California · 16078 days ago · 20 km deep · 87 km away
  4. 3.025 km SE of Covelo, California · 16078 days ago · 7 km deep · 83 km away
  5. 3.025 km SE of Covelo, California · 16078 days ago · 8 km deep · 83 km away
  6. 1.925 km SE of Covelo, California · 16077 days ago · 6 km deep · 83 km away
  7. 1.616 km SW of Scotia, California · 16077 days ago · 30 km deep · 97 km away
  8. 1.615 km SSW of Laytonville, California · 16075 days ago · 5 km deep · 96 km away
  9. 1.76 km SW of Scotia, California · 16074 days ago · 23 km deep · 90 km away
  10. 2.04 km E of Loleta, California · 16074 days ago · 22 km deep · 96 km away
  11. 2.819 km SW of Scotia, California · 16074 days ago · 30 km deep · 97 km away
  12. 2.09 km E of Hydesville, California · 16072 days ago · 22 km deep · 77 km away
  13. 2.56 km NNE of Los Molinos, California · 16070 days ago · 16 km deep · 94 km away
  14. 1.59 km ESE of Blue Lake, California · 16070 days ago · 26 km deep · 85 km away
  15. 1.67 km ESE of Hydesville, California · 16070 days ago · 21 km deep · 79 km away
  16. 1.87 km N of Redcrest, California · 16070 days ago · 53 km deep · 74 km away
  17. 2.08 km NNW of Leggett, California · 16069 days ago · -1 km deep · 72 km away
  18. 1.824 km SE of Covelo, California · 16069 days ago · 6 km deep · 83 km away
  19. 2.024 km SE of Covelo, California · 16069 days ago · 6 km deep · 83 km away
  20. 2.124 km SE of Covelo, California · 16069 days ago · 6 km deep · 82 km away
  21. 1.823 km SE of Covelo, California · 16069 days ago · 0 km deep · 81 km away
  22. 2.024 km SE of Covelo, California · 16069 days ago · 4 km deep · 83 km away
  23. 1.724 km SE of Covelo, California · 16069 days ago · 6 km deep · 82 km away
  24. 1.98 km S of Benbow, California · 16068 days ago · 5 km deep · 70 km away
  25. 1.68 km NW of Laytonville, California · 16068 days ago · 11 km deep · 79 km away
  26. 1.65 km SE of Ferndale, California · 16067 days ago · 10 km deep · 96 km away
  27. 2.714 km NW of Brooktrails, California · 16063 days ago · 6 km deep · 97 km away
  28. 1.514 km ENE of Weott, California · 16063 days ago · 25 km deep · 55 km away
  29. 1.721 km WNW of Mad River, California · 16062 days ago · 24 km deep · 57 km away
  30. 1.526 km W of Hyampom, California · 16061 days ago · 25 km deep · 65 km away
  31. 1.55 km ENE of Laytonville, California · 16055 days ago · 4 km deep · 78 km away
  32. 1.77 km NNE of Mad River, California · 16055 days ago · 22 km deep · 36 km away
  33. 1.79 km ENE of Benbow, California · 16053 days ago · 29 km deep · 57 km away
  34. 1.910 km S of Douglas City, California · 16049 days ago · 3 km deep · 27 km away
  35. 3.3near the coast of Northern California · 16049 days ago · 7 km deep · 99 km away
  36. 1.717 km SW of Scotia, California · 16047 days ago · 25 km deep · 95 km away
  37. 1.57 km WSW of Lakehead, California · 16045 days ago · 4 km deep · 80 km away
  38. 1.98 km SE of Blue Lake, California · 16044 days ago · -1 km deep · 86 km away
  39. 2.22 km N of Elk Creek, California · 16044 days ago · 14 km deep · 94 km away
  40. 1.821 km NNE of Potter Valley, California · 16043 days ago · 7 km deep · 96 km away
  41. 1.55 km NNE of Hydesville, California · 16043 days ago · 20 km deep · 85 km away
  42. 1.624 km SE of Covelo, California · 16042 days ago · 5 km deep · 82 km away
  43. 2.28 km SSW of Mad River, California · 16037 days ago · 30 km deep · 37 km away
  44. 1.623 km WSW of Weott, California · 16034 days ago · 9 km deep · 92 km away
  45. 1.814 km NW of Junction City, California · 16034 days ago · 8 km deep · 54 km away
  46. 2.09 km ESE of Pine Hills, California · 16034 days ago · 19 km deep · 88 km away
  47. 2.310 km ESE of Pine Hills, California · 16034 days ago · 20 km deep · 87 km away
  48. 1.712 km NE of Miranda, California · 16033 days ago · 27 km deep · 53 km away
  49. 1.910 km E of Redcrest, California · 16033 days ago · 3 km deep · 61 km away
  50. 1.912 km E of Cottonwood, California · 16032 days ago · 19 km deep · 82 km away
  51. 2.46 km WSW of Benbow, California · 16031 days ago · 3 km deep · 72 km away
  52. 2.36 km WSW of Benbow, California · 16031 days ago · 2 km deep · 72 km away
  53. 1.64 km W of Trinity Village, California · 16029 days ago · 23 km deep · 70 km away
  54. 2.54 km SW of Lakehead, California · 16026 days ago · 2 km deep · 82 km away
  55. 2.71 km SW of Lakehead, California · 16026 days ago · 11 km deep · 85 km away
  56. 1.77 km NNW of Hyampom, California · 16023 days ago · 31 km deep · 48 km away
  57. 1.66 km WSW of Covelo, California · 16023 days ago · 7 km deep · 68 km away
  58. 1.66 km SW of Covelo, California · 16023 days ago · 4 km deep · 69 km away

Before

  1. 1.912 km N of Brooktrails, California · 16083 days ago · 7 km deep · 92 km away
  2. 1.78 km SE of Laytonville, California · 16084 days ago · 6 km deep · 83 km away
  3. 2.022 km W of Elk Creek, California · 16086 days ago · 10 km deep · 86 km away
  4. 1.822 km WNW of Elk Creek, California · 16087 days ago · 6 km deep · 83 km away
  5. 4.02 km NNE of Elk Creek, California · 16090 days ago · 13 km deep · 95 km away
  6. 2.410 km WSW of Douglas City, California · 16091 days ago · 6 km deep · 30 km away
  7. 1.711 km NE of Phillipsville, California · 16091 days ago · 26 km deep · 51 km away
  8. 1.515 km SW of Scotia, California · 16091 days ago · 17 km deep · 97 km away
  9. 1.912 km NE of Blue Lake, California · 16091 days ago · 4 km deep · 93 km away
  10. 2.910 km ENE of Redcrest, California · 16093 days ago · 5 km deep · 63 km away
  11. 3.010 km ENE of Redcrest, California · 16093 days ago · 6 km deep · 63 km away
  12. 1.67 km W of Rio Dell, California · 16093 days ago · 19 km deep · 94 km away
  13. 1.83 km NNE of Weott, California · 16096 days ago · 7 km deep · 69 km away
  14. 1.625 km NE of Potter Valley, California · 16096 days ago · 11 km deep · 96 km away
  15. 1.89 km ENE of Bella Vista, California · 16097 days ago · 7 km deep · 90 km away
  16. 1.86 km NE of Bella Vista, California · 16097 days ago · 4 km deep · 86 km away
  17. 1.811 km WSW of Redcrest, California · 16097 days ago · 6 km deep · 81 km away
  18. 2.011 km E of Blue Lake, California · 16098 days ago · -1 km deep · 86 km away
  19. 2.212 km NE of Millville, California · 16098 days ago · 3 km deep · 93 km away
  20. 2.824 km SE of Covelo, California · 16100 days ago · 8 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1078838. Read Wed, Sep 23, 2026, 3:21 AM UTC.