California earthquakes

M1.7 earthquake 12 km WSW of Chester, California

A magnitude 1.7 earthquake struck 12 km WSW of Chester, California on Wed, Sep 22, 1982, 9:15 AM PDT (16:15 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.8 14 km W of Chester, California. This one was a foreshock.

Chester 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
1.7 (md), micro
Local time
UTC
1982-09-22 16:15:05 UTC
Depth
3.1 km (1.9 mi), shallow
Epicenter
40.284° N, 121.378° 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 4.6 km horizontally, 8.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
309°, 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: 58 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 1.814 km W of Chester, California · 16071 days ago · 3 km deep · 2 km away
  2. 2.04 km S of Mineral, CA · 16071 days ago · 5 km deep · 19 km away
  3. 2.37 km SSW of Taylorsville, California · 16070 days ago · 5 km deep · 53 km away
  4. 2.56 km NNE of Los Molinos, California · 16070 days ago · 16 km deep · 63 km away
  5. 1.613 km W of Chester, California · 16070 days ago · 11 km deep · 1 km away
  6. 2.24 km S of Hamilton City, California · 16069 days ago · 17 km deep · 84 km away
  7. 1.513 km W of Chester, California · 16069 days ago · 3 km deep · 3 km away
  8. 1.74 km SSW of Hamilton City, California · 16069 days ago · 18 km deep · 85 km away
  9. 1.713 km W of Chester, California · 16069 days ago · 9 km deep · 1 km away
  10. 2.03 km E of Canyondam, California · 16065 days ago · 4 km deep · 32 km away
  11. 2.717 km WNW of McArthur, California · 16063 days ago · 3 km deep · 95 km away
  12. 2.15 km SW of Chester, California · 16062 days ago · 3 km deep · 9 km away
  13. 2.310 km WNW of Cohasset, California · 16062 days ago · 16 km deep · 55 km away
  14. 2.11 km WNW of Prattville, California · 16062 days ago · 5 km deep · 19 km away
  15. 1.713 km NNE of Mineral, California · 16060 days ago · 2 km deep · 22 km away
  16. 2.71 km W of Rackerby, California · 16059 days ago · 30 km deep · 94 km away
  17. 1.515 km NNE of Mineral, California · 16059 days ago · 2 km deep · 24 km away
  18. 2.115 km NE of Mineral, California · 16058 days ago · 3 km deep · 21 km away
  19. 1.816 km NNW of Chester, California · 16054 days ago · -1 km deep · 19 km away
  20. 2.86 km W of Hamilton City, California · 16053 days ago · 19 km deep · 86 km away
  21. 2.23 km S of Hamilton City, California · 16053 days ago · 18 km deep · 84 km away
  22. 1.83 km S of Chester, California · 16049 days ago · 3 km deep · 13 km away
  23. 2.617 km NW of McArthur, California · 16049 days ago · 4 km deep · 97 km away
  24. 1.91 km SSE of Chester, California · 16048 days ago · 3 km deep · 13 km away
  25. 2.013 km W of Chester, California · 16048 days ago · 7 km deep · 1 km away
  26. 1.715 km ESE of Mineral, California · 16048 days ago · 3 km deep · 4 km away
  27. 1.914 km W of Chester, California · 16048 days ago · 3 km deep · 3 km away
  28. 1.714 km ENE of Willows, California · 16048 days ago · 23 km deep · 98 km away
  29. 1.913 km W of Chester, California · 16047 days ago · 6 km deep · 1 km away
  30. 1.515 km ESE of Mineral, California · 16046 days ago · 13 km deep · 5 km away
  31. 2.213 km W of Chester, California · 16046 days ago · 9 km deep · 1 km away
  32. 2.313 km W of Chester, California · 16046 days ago · 10 km deep · 1 km away
  33. 1.513 km W of Chester, California · 16046 days ago · 8 km deep · 3 km away
  34. 1.913 km W of Chester, California · 16042 days ago · 8 km deep · 1 km away
  35. 1.9Northern California · 16042 days ago · 6 km deep · 5 km away
  36. 2.315 km W of Chester, California · 16042 days ago · 11 km deep · 3 km away
  37. 2.910 km NNW of Sierra City, California · 16042 days ago · 29 km deep · 92 km away
  38. 2.08 km SW of Whitehawk, California · 16039 days ago · 5 km deep · 93 km away
  39. 2.23 km SSW of Chester, California · 16038 days ago · -2 km deep · 11 km away
  40. 2.51 km ENE of Chico, California · 16034 days ago · 21 km deep · 72 km away
  41. 2.214 km NNE of Mineral, California · 16034 days ago · 2 km deep · 25 km away
  42. 1.712 km SW of Bucks Lake, California · 16034 days ago · 5 km deep · 54 km away
  43. 1.914 km NNE of Mineral, California · 16034 days ago · 1 km deep · 25 km away
  44. 2.111 km SE of Big Bend, California · 16033 days ago · 3 km deep · 83 km away
  45. 1.912 km E of Cottonwood, California · 16032 days ago · 19 km deep · 65 km away
  46. 2.32 km NNE of Susanville, California · 16025 days ago · 1 km deep · 65 km away
  47. 1.516 km NNE of Mineral, California · 16025 days ago · 1 km deep · 23 km away
  48. 2.016 km NNE of Mineral, California · 16025 days ago · 1 km deep · 23 km away
  49. 1.816 km NNE of Mineral, California · 16025 days ago · 1 km deep · 23 km away
  50. 1.85 km SSE of Palermo, California · 16025 days ago · 8 km deep · 100 km away
  51. 1.54 km SSE of Palermo, California · 16025 days ago · 8 km deep · 99 km away
  52. 1.921 km S of Burney, California · 16024 days ago · 3 km deep · 52 km away
  53. 3.05 km SSW of Graeagle, California · 16023 days ago · 6 km deep · 88 km away
  54. 2.45 km WSW of Susanville, California · 16023 days ago · 6 km deep · 58 km away
  55. 2.512 km NE of Vina, California · 16023 days ago · 0 km deep · 57 km away
  56. 2.17 km WNW of Susanville, California · 16023 days ago · 1 km deep · 57 km away
  57. 1.99 km NW of Susanville, California · 16022 days ago · 2 km deep · 57 km away
  58. 1.924 km E of Hat Creek, California · 16021 days ago · 7 km deep · 64 km away

Before

  1. 1.913 km W of Chester, California · 16071 days ago · 3 km deep · 1 km away
  2. 2.812 km W of Chester, California · 16071 days ago · 10 km deep · 1 km away
  3. 1.713 km S of Old Station, California · 16073 days ago · 3 km deep · 30 km away
  4. 3.22 km W of Hamilton City, California · 16074 days ago · 22 km deep · 82 km away
  5. 1.64 km SW of Hamilton City, California · 16076 days ago · 15 km deep · 86 km away
  6. 2.0Northern California · 16077 days ago · 5 km deep · 70 km away
  7. 1.813 km ENE of Butte Meadows, California · 16079 days ago · 6 km deep · 19 km away
  8. 2.220 km ENE of Shingletown, California · 16080 days ago · 4 km deep · 37 km away
  9. 2.114 km WSW of Lake Almanor West, California · 16081 days ago · 3 km deep · 10 km away
  10. 1.53 km ESE of Paynes Creek, California · 16082 days ago · 0 km deep · 43 km away
  11. 2.59 km W of Old Station, California · 16083 days ago · 3 km deep · 46 km away
  12. 1.715 km SW of Old Station, California · 16084 days ago · 2 km deep · 38 km away
  13. 1.60 km ENE of Chico, California · 16085 days ago · 5 km deep · 72 km away
  14. 1.81 km NE of South Oroville, California · 16086 days ago · 7 km deep · 87 km away
  15. 2.210 km W of Old Station, California · 16086 days ago · 0 km deep · 46 km away
  16. 1.721 km N of Mineral, California · 16087 days ago · 11 km deep · 35 km away
  17. 1.88 km W of Old Station, California · 16087 days ago · 3 km deep · 45 km away
  18. 2.08 km W of Old Station, California · 16088 days ago · 2 km deep · 45 km away
  19. 1.98 km W of Old Station, California · 16088 days ago · 4 km deep · 45 km away
  20. 1.73 km NNW of Lake Almanor West, California · 16090 days ago · 3 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1079332. Read Tue, Sep 22, 2026, 9:39 PM UTC.