California earthquakes

M2.4 earthquake 5 km NNE of Belden, California

A magnitude 2.4 earthquake struck 5 km NNE of Belden, California on Tue, Aug 6, 1985, 12:18 AM PDT (07:18 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.6 5 km SSW of Canyondam, 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
2.4 (md), micro
Local time
UTC
1985-08-06 07:18:07 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
40.047° N, 121.220° 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 0.5 km horizontally, 9.1 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
175°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 59 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.93 km SE of Prattville, California · 15029 days ago · 3 km deep · 18 km away
  2. 2.03 km ESE of Prattville, California · 15029 days ago · 11 km deep · 19 km away
  3. 1.512 km E of Paynes Creek, California · 15025 days ago · 11 km deep · 56 km away
  4. 2.2Northern California · 15025 days ago · -2 km deep · 95 km away
  5. 2.32 km NNW of Plumas Eureka, California · 15024 days ago · -2 km deep · 54 km away
  6. 3.65 km SSW of Canyondam, California · 15023 days ago · -2 km deep · 14 km away
  7. 1.93 km SW of Canyondam, California · 15023 days ago · 3 km deep · 15 km away
  8. 1.84 km S of Hamilton City, California · 15022 days ago · 5 km deep · 78 km away
  9. 2.39 km SE of Rancho Tehama Reserve, California · 15022 days ago · 5 km deep · 94 km away
  10. 1.95 km NE of Crescent Mills, California · 15019 days ago · 3 km deep · 32 km away
  11. 2.08 km NE of Vina, California · 15018 days ago · 1 km deep · 65 km away
  12. 3.14 km S of Prattville, California · 15016 days ago · -2 km deep · 15 km away
  13. 2.14 km SSE of Canyondam, California · 15016 days ago · 2 km deep · 17 km away
  14. 1.63 km ESE of Prattville, California · 15015 days ago · 3 km deep · 18 km away
  15. 2.23 km SE of Prattville, California · 15014 days ago · 7 km deep · 18 km away
  16. 1.96km ESE of Millville, CA · 15012 days ago · 17 km deep · 94 km away
  17. 1.99 km WNW of Cohasset, California · 15012 days ago · 16 km deep · 54 km away
  18. 2.54 km SE of Iron Horse, California · 15012 days ago · 7 km deep · 73 km away
  19. 1.94 km NW of Lake Almanor Country Club, California · 15011 days ago · 5 km deep · 26 km away
  20. 3.24 km N of Belden, California · 15010 days ago · 0 km deep · 2 km away
  21. 1.65 km NNE of Belden, California · 15010 days ago · 0 km deep · 1 km away
  22. 1.75 km NNE of Belden, California · 15010 days ago · 3 km deep · 0 km away
  23. 1.64 km N of Belden, California · 15009 days ago · 4 km deep · 2 km away
  24. 1.99 km NNW of Old Station, California · 15008 days ago · 6 km deep · 81 km away
  25. 1.84 km E of Canyondam, California · 15008 days ago · 2 km deep · 23 km away
  26. 1.93 km E of Sierraville, California · 15007 days ago · 12 km deep · 92 km away
  27. 2.34 km NNE of Plumas Eureka, California · 15006 days ago · 11 km deep · 56 km away
  28. 2.52 km WNW of Sattley, California · 15005 days ago · 3 km deep · 81 km away
  29. 1.83 km NW of Greenville, California · 15004 days ago · 2 km deep · 24 km away
  30. 1.63 km NNW of Belden, California · 15002 days ago · 1 km deep · 4 km away
  31. 2.14 km NW of Spring Garden, California · 15001 days ago · 4 km deep · 36 km away
  32. 1.813 km ESE of Mineral, California · 15000 days ago · 8 km deep · 35 km away
  33. 2.114 km NNE of Mineral, California · 14999 days ago · 2 km deep · 55 km away
  34. 2.613 km NNE of Mineral, California · 14999 days ago · 2 km deep · 54 km away
  35. 1.613 km NNE of Mineral, California · 14999 days ago · 2 km deep · 54 km away
  36. 1.613 km NNE of Mineral, California · 14999 days ago · 2 km deep · 54 km away
  37. 3.49 km NNW of Princeton, California · 14996 days ago · 19 km deep · 95 km away
  38. 2.03 km N of Hamilton Branch, California · 14991 days ago · 11 km deep · 31 km away
  39. 2.27 km SE of Millville, California · 14991 days ago · 19 km deep · 91 km away
  40. 1.713 km SE of Millville, California · 14991 days ago · 4 km deep · 85 km away
  41. 1.619 km NNE of Shingletown, California · 14989 days ago · 13 km deep · 81 km away
  42. 2.013 km SW of Durham, California · 14984 days ago · 18 km deep · 80 km away
  43. 1.63 km SE of Prattville, California · 14984 days ago · 3 km deep · 17 km away
  44. 1.71 km SE of Chester, California · 14984 days ago · 3 km deep · 28 km away
  45. 2.05 km SSW of Graeagle, California · 14980 days ago · 3 km deep · 62 km away
  46. 2.010 km NW of Cohasset, California · 14979 days ago · 5 km deep · 51 km away
  47. 2.312 km NE of Vina, California · 14978 days ago · 0 km deep · 62 km away
  48. 1.91 km W of Sierraville, California · 14978 days ago · 7 km deep · 88 km away
  49. 1.93 km SE of Prattville, California · 14978 days ago · 3 km deep · 18 km away
  50. 2.54 km SSE of Prattville, California · 14978 days ago · -2 km deep · 15 km away
  51. 1.63 km SE of Prattville, California · 14978 days ago · 4 km deep · 18 km away
  52. 1.93 km SE of Prattville, California · 14978 days ago · 3 km deep · 18 km away
  53. 2.15 km NNE of Belden, California · 14977 days ago · 2 km deep · 1 km away
  54. 2.23 km ENE of Canyondam, California · 14977 days ago · 3 km deep · 22 km away
  55. 1.54 km NNW of Lake Almanor Peninsula, California · 14975 days ago · 16 km deep · 30 km away
  56. 1.52 km ESE of Paynes Creek, California · 14975 days ago · 9 km deep · 65 km away
  57. 2.12 km ESE of Hamilton Branch, California · 14974 days ago · 7 km deep · 27 km away
  58. 1.52 km ESE of Prattville, California · 14972 days ago · 14 km deep · 19 km away
  59. 2.19 km NE of Vina, California · 14972 days ago · 0 km deep · 65 km away

Before

  1. 1.514 km E of Cottonwood, California · 15030 days ago · 10 km deep · 84 km away
  2. 1.59 km NE of Vina, California · 15032 days ago · 7 km deep · 63 km away
  3. 3.313 km N of Princeton, California · 15036 days ago · 12 km deep · 89 km away
  4. 1.79 km NW of Cohasset, California · 15038 days ago · -1 km deep · 50 km away
  5. 1.89 km NW of Cohasset, California · 15038 days ago · 6 km deep · 50 km away
  6. 2.615 km ENE of Willows, California · 15038 days ago · 14 km deep · 88 km away
  7. 2.13 km NNW of Biggs, California · 15041 days ago · 11 km deep · 81 km away
  8. 3.14 km NNE of Belden, California · 15043 days ago · -1 km deep · 1 km away
  9. 2.0Northern California · 15043 days ago · 2 km deep · 70 km away
  10. 2.34 km NNE of East Quincy, California · 15044 days ago · 7 km deep · 31 km away
  11. 2.28 km ENE of Artois, California · 15044 days ago · 5 km deep · 87 km away
  12. 2.85 km NNE of Belden, California · 15044 days ago · -1 km deep · 0 km away
  13. 1.812 km WSW of Durham, California · 15045 days ago · 18 km deep · 78 km away
  14. 2.14 km S of Hamilton City, California · 15051 days ago · 13 km deep · 78 km away
  15. 1.78 km SSW of Hat Creek, California · 15051 days ago · 1 km deep · 85 km away
  16. 2.28 km WSW of Hamilton City, California · 15055 days ago · 16 km deep · 84 km away
  17. 1.87 km SSW of Hat Creek, California · 15057 days ago · 2 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc52452. Read Tue, Sep 29, 2026, 2:38 AM UTC.