California earthquakes

M2.1 earthquake Northern California

A magnitude 2.1 earthquake struck in Northern California on Fri, Aug 6, 1982, 2:56 PM PDT (21:56 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.2 4 km SSW of Cassel, California. This one was a foreshock.

Burney 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
2.1 (md), micro
Local time
UTC
1982-08-06 21:56:44 UTC
Depth
-0.1 km (-0.1 mi), shallow
Epicenter
40.892° N, 121.513° 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 6.9 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
230°, poorly surrounded by stations
Stations used
3

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 69 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 3.24 km SSW of Cassel, California · 16118 days ago · -2 km deep · 4 km away
  2. 1.94 km SSW of Cassel, California · 16118 days ago · 3 km deep · 5 km away
  3. 2.115 km ENE of Shingletown, California · 16116 days ago · 3 km deep · 41 km away
  4. 2.34 km SSE of Cassel, California · 16115 days ago · -2 km deep · 3 km away
  5. 2.218 km N of Mineral, California · 16114 days ago · 13 km deep · 43 km away
  6. 2.34 km S of Cassel, California · 16114 days ago · -1 km deep · 3 km away
  7. 2.24 km NNW of Hat Creek, California · 16114 days ago · 1 km deep · 4 km away
  8. 2.94 km S of Cassel, California · 16113 days ago · -2 km deep · 4 km away
  9. 2.018 km N of Big Bend, California · 16113 days ago · 9 km deep · 48 km away
  10. 2.79 km SW of Prattville, California · 16109 days ago · 5 km deep · 85 km away
  11. 1.99 km SSW of Lake Almanor West, California · 16109 days ago · 7 km deep · 84 km away
  12. 3.08 km W of Old Station, California · 16107 days ago · 4 km deep · 25 km away
  13. 2.417 km W of Old Station, California · 16107 days ago · 10 km deep · 26 km away
  14. 2.27 km W of Old Station, California · 16106 days ago · 6 km deep · 25 km away
  15. 2.88 km W of Old Station, California · 16106 days ago · 1 km deep · 25 km away
  16. 2.29 km W of Old Station, California · 16106 days ago · 3 km deep · 24 km away
  17. 2.99 km W of Old Station, California · 16106 days ago · 2 km deep · 25 km away
  18. 2.09 km W of Old Station, California · 16106 days ago · 4 km deep · 25 km away
  19. 2.18 km W of Old Station, California · 16105 days ago · 3 km deep · 25 km away
  20. 1.615 km NNE of McCloud, California · 16105 days ago · 3 km deep · 74 km away
  21. 1.77 km NNE of Belden, California · 16104 days ago · 7 km deep · 95 km away
  22. 2.09 km W of Old Station, California · 16104 days ago · 2 km deep · 23 km away
  23. 1.85 km W of Old Station, California · 16103 days ago · 6 km deep · 25 km away
  24. 2.79 km W of Old Station, California · 16103 days ago · 2 km deep · 24 km away
  25. 1.710 km E of Lakehead, California · 16102 days ago · 5 km deep · 62 km away
  26. 2.37 km NW of Old Station, California · 16101 days ago · 5 km deep · 19 km away
  27. 1.615 km SSW of Old Station, California · 16101 days ago · 3 km deep · 38 km away
  28. 1.810 km ESE of Bend, California · 16100 days ago · 10 km deep · 88 km away
  29. 2.110 km W of Old Station, California · 16099 days ago · 2 km deep · 23 km away
  30. 2.212 km NE of Millville, California · 16098 days ago · 3 km deep · 55 km away
  31. 3.222 km ESE of Tennant, California · 16097 days ago · 2 km deep · 72 km away
  32. 2.24 km WSW of Old Station, California · 16097 days ago · 7 km deep · 25 km away
  33. 1.86 km NE of Bella Vista, California · 16097 days ago · 4 km deep · 61 km away
  34. 1.89 km ENE of Bella Vista, California · 16097 days ago · 7 km deep · 57 km away
  35. 2.210 km W of Old Station, California · 16094 days ago · 2 km deep · 24 km away
  36. 2.013 km W of Old Station, California · 16094 days ago · 7 km deep · 27 km away
  37. 2.028 km NW of McArthur, California · 16094 days ago · 12 km deep · 40 km away
  38. 2.29 km W of Old Station, California · 16093 days ago · 3 km deep · 25 km away
  39. 2.431 km SE of Nubieber, California · 16090 days ago · 18 km deep · 48 km away
  40. 1.73 km NNW of Lake Almanor West, California · 16090 days ago · 3 km deep · 74 km away
  41. 1.98 km W of Old Station, California · 16089 days ago · 4 km deep · 25 km away
  42. 2.08 km W of Old Station, California · 16088 days ago · 2 km deep · 25 km away
  43. 1.88 km W of Old Station, California · 16087 days ago · 3 km deep · 25 km away
  44. 1.721 km N of Mineral, California · 16087 days ago · 11 km deep · 41 km away
  45. 2.210 km W of Old Station, California · 16086 days ago · 0 km deep · 25 km away
  46. 1.715 km SW of Old Station, California · 16084 days ago · 2 km deep · 34 km away
  47. 2.59 km W of Old Station, California · 16083 days ago · 3 km deep · 25 km away
  48. 1.53 km ESE of Paynes Creek, California · 16082 days ago · 0 km deep · 70 km away
  49. 2.026 km E of Tennant, California · 16082 days ago · 1 km deep · 75 km away
  50. 2.114 km WSW of Lake Almanor West, California · 16081 days ago · 3 km deep · 79 km away
  51. 2.220 km ENE of Shingletown, California · 16081 days ago · 4 km deep · 41 km away
  52. 1.813 km ENE of Butte Meadows, California · 16079 days ago · 6 km deep · 88 km away
  53. 2.128 km E of Tennant, California · 16076 days ago · -1 km deep · 78 km away
  54. 1.713 km S of Old Station, California · 16073 days ago · 3 km deep · 39 km away
  55. 2.812 km W of Chester, California · 16071 days ago · 10 km deep · 68 km away
  56. 1.913 km W of Chester, California · 16071 days ago · 3 km deep · 68 km away
  57. 1.712 km WSW of Chester, California · 16071 days ago · 3 km deep · 69 km away
  58. 1.814 km W of Chester, California · 16071 days ago · 3 km deep · 67 km away
  59. 2.04 km S of Mineral, CA · 16071 days ago · 5 km deep · 65 km away
  60. 1.613 km W of Chester, California · 16070 days ago · 11 km deep · 68 km away

The first 60 of 69.

Before

  1. 3.04 km S of Cassel, California · 16118 days ago · -2 km deep · 4 km away
  2. 2.14 km NNE of Mineral, California · 16120 days ago · 8 km deep · 57 km away
  3. 2.116 km SW of Old Station, California · 16121 days ago · 1 km deep · 38 km away
  4. 2.313 km ESE of Mineral, California · 16128 days ago · -2 km deep · 68 km away
  5. 1.85 km NE of Mineral, California · 16133 days ago · 7 km deep · 56 km away
  6. 2.713 km N of McCloud, California · 16135 days ago · 10 km deep · 76 km away
  7. 1.611 km N of McCloud, California · 16135 days ago · 25 km deep · 73 km away
  8. 1.819 km ENE of McCloud, California · 16135 days ago · 3 km deep · 61 km away
  9. 2.012 km N of McCloud, California · 16135 days ago · 8 km deep · 73 km away
  10. 1.810 km NNE of Mount Shasta, California · 16135 days ago · 5 km deep · 83 km away
  11. 2.110 km NW of Paynes Creek, California · 16135 days ago · 18 km deep · 67 km away
  12. 2.019 km ESE of McCloud, California · 16136 days ago · 11 km deep · 48 km away
  13. 2.010 km W of Paynes Creek, California · 16137 days ago · 13 km deep · 76 km away
  14. 2.06 km NE of Bend, California · 16141 days ago · 20 km deep · 86 km away
  15. 1.614 km NNE of Mineral, California · 16146 days ago · 1 km deep · 47 km away
  16. 2.110 km SW of Mineral, California · 16147 days ago · 3 km deep · 70 km away
  17. 1.910 km SW of Mineral, California · 16147 days ago · 3 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1077052. Read Tue, Sep 22, 2026, 10:31 PM UTC.