California earthquakes

M2.6 earthquake 37 km ESE of Ruth, California

A magnitude 2.6 earthquake struck 37 km ESE of Ruth, California on Mon, Aug 9, 1982, 4:48 AM PDT (11:48 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 2 km NNE of Elk Creek, California. This one was a foreshock.

Covelo 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
2.6 (md), micro
Local time
UTC
1982-08-09 11:48:32 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
40.093° N, 122.940° 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 1.5 km horizontally, 2.4 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
180°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 65 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 1.720 km W of Elk Creek, California · 16120 days ago · 4 km deep · 55 km away
  2. 1.624 km NE of Potter Valley, California · 16115 days ago · 10 km deep · 66 km away
  3. 2.717 km WNW of Elk Creek, California · 16115 days ago · -1 km deep · 52 km away
  4. 2.220 km ENE of Burnt Ranch, California · 16111 days ago · 20 km deep · 93 km away
  5. 2.18 km ESE of Willits, California · 16111 days ago · 2 km deep · 84 km away
  6. 1.98 km SE of Laytonville, California · 16111 days ago · 5 km deep · 64 km away
  7. 1.821 km NE of Potter Valley, California · 16110 days ago · 7 km deep · 71 km away
  8. 2.016 km ESE of Artois, California · 16108 days ago · 10 km deep · 98 km away
  9. 1.810 km ESE of Bend, California · 16108 days ago · 10 km deep · 74 km away
  10. 2.824 km SE of Covelo, California · 16107 days ago · 8 km deep · 54 km away
  11. 1.57 km ENE of Willits, California · 16107 days ago · 8 km deep · 80 km away
  12. 2.212 km NE of Millville, California · 16105 days ago · 3 km deep · 95 km away
  13. 1.811 km WSW of Redcrest, California · 16105 days ago · 6 km deep · 99 km away
  14. 1.86 km NE of Bella Vista, California · 16105 days ago · 4 km deep · 92 km away
  15. 1.89 km ENE of Bella Vista, California · 16105 days ago · 7 km deep · 95 km away
  16. 1.625 km NE of Potter Valley, California · 16104 days ago · 11 km deep · 66 km away
  17. 1.616 km ESE of Cleone, California · 16104 days ago · 4 km deep · 91 km away
  18. 1.83 km NNE of Weott, California · 16103 days ago · 7 km deep · 88 km away
  19. 1.98 km E of Willits, California · 16101 days ago · 7 km deep · 82 km away
  20. 3.010 km ENE of Redcrest, California · 16100 days ago · 6 km deep · 85 km away
  21. 2.910 km ENE of Redcrest, California · 16100 days ago · 5 km deep · 85 km away
  22. 2.018 km WSW of Lodoga, California · 16100 days ago · 10 km deep · 99 km away
  23. 1.711 km NE of Phillipsville, California · 16099 days ago · 26 km deep · 69 km away
  24. 2.410 km WSW of Douglas City, California · 16098 days ago · 6 km deep · 60 km away
  25. 4.02 km NNE of Elk Creek, California · 16098 days ago · 13 km deep · 63 km away
  26. 1.719 km NNE of Upper Lake, California · 16098 days ago · 13 km deep · 88 km away
  27. 1.52 km W of Redwood Valley, California · 16095 days ago · 6 km deep · 95 km away
  28. 1.519 km NNE of Upper Lake, California · 16095 days ago · 12 km deep · 88 km away
  29. 1.822 km WNW of Elk Creek, California · 16094 days ago · 6 km deep · 51 km away
  30. 2.022 km W of Elk Creek, California · 16094 days ago · 10 km deep · 54 km away
  31. 3.018 km NE of Upper Lake, California · 16093 days ago · 15 km deep · 89 km away
  32. 2.318 km NNE of Upper Lake, California · 16093 days ago · 8 km deep · 88 km away
  33. 1.78 km SE of Laytonville, California · 16092 days ago · 6 km deep · 64 km away
  34. 1.912 km N of Brooktrails, California · 16091 days ago · 7 km deep · 70 km away
  35. 1.53 km ESE of Paynes Creek, California · 16090 days ago · 0 km deep · 94 km away
  36. 3.120 km ENE of Ruth, California · 16090 days ago · 38 km deep · 33 km away
  37. 1.57 km NW of Laytonville, California · 16087 days ago · 5 km deep · 65 km away
  38. 1.614 km NNE of Redcrest, California · 16086 days ago · 24 km deep · 93 km away
  39. 3.025 km SE of Covelo, California · 16085 days ago · 7 km deep · 55 km away
  40. 3.025 km SE of Covelo, California · 16085 days ago · 8 km deep · 54 km away
  41. 1.925 km SE of Covelo, California · 16085 days ago · 6 km deep · 54 km away
  42. 1.64 km SW of Hamilton City, California · 16084 days ago · 15 km deep · 87 km away
  43. 1.615 km SSW of Laytonville, California · 16083 days ago · 5 km deep · 80 km away
  44. 3.22 km W of Hamilton City, California · 16081 days ago · 22 km deep · 86 km away
  45. 2.56 km NNE of Los Molinos, California · 16078 days ago · 16 km deep · 75 km away
  46. 1.87 km N of Redcrest, California · 16078 days ago · 53 km deep · 96 km away
  47. 2.24 km S of Hamilton City, California · 16077 days ago · 17 km deep · 90 km away
  48. 2.08 km NNW of Leggett, California · 16077 days ago · -1 km deep · 71 km away
  49. 1.824 km SE of Covelo, California · 16077 days ago · 6 km deep · 54 km away
  50. 2.024 km SE of Covelo, California · 16077 days ago · 6 km deep · 55 km away
  51. 2.124 km SE of Covelo, California · 16077 days ago · 6 km deep · 54 km away
  52. 1.823 km SE of Covelo, California · 16077 days ago · 0 km deep · 53 km away
  53. 2.024 km SE of Covelo, California · 16077 days ago · 4 km deep · 55 km away
  54. 1.724 km SE of Covelo, California · 16077 days ago · 6 km deep · 54 km away
  55. 1.74 km SSW of Hamilton City, California · 16077 days ago · 18 km deep · 89 km away
  56. 1.98 km S of Benbow, California · 16076 days ago · 5 km deep · 73 km away
  57. 1.68 km NW of Laytonville, California · 16075 days ago · 11 km deep · 66 km away
  58. 1.517 km ENE of Potter Valley, California · 16074 days ago · 10 km deep · 79 km away
  59. 1.76 km ENE of Willits, California · 16071 days ago · 3 km deep · 79 km away
  60. 2.714 km NW of Brooktrails, California · 16070 days ago · 6 km deep · 78 km away

The first 60 of 65.

Before

  1. 2.55 km WNW of Hamilton City, California · 16124 days ago · 24 km deep · 83 km away
  2. 2.022 km NE of Potter Valley, California · 16124 days ago · 1 km deep · 69 km away
  3. 2.44 km N of Redway, California · 16125 days ago · 18 km deep · 75 km away
  4. 1.76 km ENE of Willits, California · 16128 days ago · -1 km deep · 79 km away
  5. 1.918 km NNE of Upper Lake, California · 16131 days ago · 7 km deep · 87 km away
  6. 1.715 km W of Junction City, California · 16131 days ago · 17 km deep · 76 km away
  7. 3.014 km WSW of Elk Creek, California · 16131 days ago · -1 km deep · 63 km away
  8. 1.924 km NE of Potter Valley, California · 16132 days ago · 9 km deep · 66 km away
  9. 2.220 km W of Elk Creek, California · 16132 days ago · 5 km deep · 56 km away
  10. 2.015 km ESE of Burnt Ranch, California · 16132 days ago · 17 km deep · 78 km away
  11. 2.47 km NW of Junction City, California · 16132 days ago · 11 km deep · 78 km away
  12. 2.616 km ESE of Burnt Ranch, California · 16133 days ago · 18 km deep · 79 km away
  13. 2.5Northern California · 16133 days ago · 21 km deep · 79 km away
  14. 2.48 km SE of Laytonville, California · 16135 days ago · 4 km deep · 67 km away
  15. 2.117 km WSW of Weott, California · 16135 days ago · 5 km deep · 99 km away
  16. 1.7Northern California · 16136 days ago · 11 km deep · 67 km away
  17. 2.124 km E of Covelo, California · 16136 days ago · 4 km deep · 34 km away
  18. 2.217 km NE of Upper Lake, California · 16136 days ago · 7 km deep · 90 km away
  19. 2.419 km NW of Paskenta, California · 16140 days ago · 2 km deep · 23 km away
  20. 2.414 km W of Junction City, California · 16141 days ago · 16 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1077163. Read Wed, Sep 30, 2026, 6:53 PM UTC.