California earthquakes

M2.5 earthquake 1 km ENE of Chico, California

A magnitude 2.5 earthquake struck 1 km ENE of Chico, California on Fri, Oct 29, 1982, 7:31 AM PDT (14:31 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.5 6 km WNW of Williams, California. This one was a foreshock.

Chico 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
2.5 (md), micro
Local time
UTC
1982-10-29 14:31:01 UTC
Depth
21.1 km (13.1 mi), shallow
Epicenter
39.733° N, 121.825° 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 1.0 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 54 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 2.214 km NNE of Mineral, California · 16042 days ago · 2 km deep · 85 km away
  2. 1.712 km SW of Bucks Lake, California · 16041 days ago · 5 km deep · 46 km away
  3. 1.914 km NNE of Mineral, California · 16041 days ago · 1 km deep · 85 km away
  4. 1.622 km ENE of Potter Valley, California · 16041 days ago · 11 km deep · 97 km away
  5. 1.912 km E of Cottonwood, California · 16040 days ago · 19 km deep · 76 km away
  6. 1.79 km NW of Princeton, California · 16036 days ago · 13 km deep · 39 km away
  7. 1.516 km NNE of Mineral, California · 16033 days ago · 1 km deep · 87 km away
  8. 2.016 km NNE of Mineral, California · 16033 days ago · 1 km deep · 87 km away
  9. 1.816 km NNE of Mineral, California · 16033 days ago · 1 km deep · 87 km away
  10. 1.85 km SSE of Palermo, California · 16032 days ago · 8 km deep · 47 km away
  11. 1.54 km SSE of Palermo, California · 16032 days ago · 8 km deep · 45 km away
  12. 2.512 km NE of Vina, California · 16030 days ago · 0 km deep · 31 km away
  13. 1.816 km NE of Upper Lake, California · 16026 days ago · 0 km deep · 97 km away
  14. 3.09 km SW of Paskenta, California · 16025 days ago · 21 km deep · 70 km away
  15. 1.72 km NW of Princeton, California · 16025 days ago · 16 km deep · 39 km away
  16. 2.016 km NE of Upper Lake, California · 16023 days ago · 1 km deep · 97 km away
  17. 1.921 km ENE of Potter Valley, California · 16021 days ago · 10 km deep · 99 km away
  18. 2.17 km N of Princeton, California · 16018 days ago · 16 km deep · 33 km away
  19. 2.67 km E of Downieville, California · 16018 days ago · 5 km deep · 94 km away
  20. 2.712 km NE of Bend, California · 16013 days ago · -1 km deep · 71 km away
  21. 2.44 km SSW of Greenville, California · 16009 days ago · 16 km deep · 84 km away
  22. 2.17 km SSW of Maxwell, California · 16008 days ago · 9 km deep · 67 km away
  23. 3.0Northern California · 16008 days ago · 14 km deep · 71 km away
  24. 2.011 km W of Williams, California · 16008 days ago · 3 km deep · 77 km away
  25. 1.714 km WSW of Williams, California · 16008 days ago · 9 km deep · 80 km away
  26. 3.1Northern California · 16008 days ago · 14 km deep · 70 km away
  27. 2.37 km WNW of Williams, California · 16008 days ago · 15 km deep · 69 km away
  28. 1.78 km WNW of Williams, California · 16008 days ago · 12 km deep · 71 km away
  29. 2.78 km NW of Williams, California · 16008 days ago · 15 km deep · 69 km away
  30. 2.95 km WNW of Williams, California · 16008 days ago · 11 km deep · 70 km away
  31. 2.030 km E of Covelo, California · 16007 days ago · 7 km deep · 92 km away
  32. 2.131 km E of Covelo, California · 16007 days ago · 10 km deep · 91 km away
  33. 2.99 km WNW of Williams, California · 16007 days ago · 16 km deep · 70 km away
  34. 3.05 km W of Williams, California · 16007 days ago · 12 km deep · 72 km away
  35. 2.64 km WNW of Williams, California · 16007 days ago · 16 km deep · 70 km away
  36. 2.16 km WNW of Williams, California · 16006 days ago · 21 km deep · 70 km away
  37. 3.56 km WNW of Williams, California · 16006 days ago · 15 km deep · 70 km away
  38. 1.9Northern California · 16006 days ago · 4 km deep · 94 km away
  39. 2.08 km NNE of Princeton, California · 16005 days ago · 10 km deep · 32 km away
  40. 2.18 km WNW of Williams, California · 16004 days ago · 21 km deep · 71 km away
  41. 3.37 km NW of Williams, California · 16004 days ago · 16 km deep · 69 km away
  42. 3.08 km NW of Williams, California · 16004 days ago · 14 km deep · 69 km away
  43. 2.21 km SE of Graniteville, California · 16004 days ago · 20 km deep · 100 km away
  44. 2.228 km ENE of Covelo, California · 16002 days ago · 1 km deep · 97 km away
  45. 1.818 km NNE of Lucerne, California · 15999 days ago · 12 km deep · 93 km away
  46. 1.77 km WNW of Tobin, California · 15990 days ago · 7 km deep · 45 km away
  47. 1.815 km NNE of Princeton, California · 15988 days ago · 12 km deep · 25 km away
  48. 1.917 km WNW of Elk Creek, California · 15987 days ago · 10 km deep · 79 km away
  49. 1.722 km ENE of Potter Valley, California · 15986 days ago · 14 km deep · 98 km away
  50. 1.914 km SW of Lake Almanor West, California · 15984 days ago · 8 km deep · 62 km away
  51. 1.630 km NNE of Potter Valley, California · 15984 days ago · 14 km deep · 95 km away
  52. 1.715 km N of Chester, California · 15983 days ago · 3 km deep · 94 km away
  53. 2.016 km WSW of Paskenta, California · 15982 days ago · 4 km deep · 76 km away
  54. 1.63 km WSW of Paradise, California · 15982 days ago · 18 km deep · 14 km away

Before

  1. 1.519 km NE of Upper Lake, California · 16044 days ago · 12 km deep · 94 km away
  2. 2.4Northern California · 16045 days ago · 5 km deep · 90 km away
  3. 2.23 km SSW of Chester, California · 16046 days ago · -2 km deep · 78 km away
  4. 2.910 km NNW of Sierra City, California · 16049 days ago · 29 km deep · 97 km away
  5. 2.315 km W of Chester, California · 16049 days ago · 11 km deep · 72 km away
  6. 1.9Northern California · 16049 days ago · 6 km deep · 72 km away
  7. 1.913 km W of Chester, California · 16050 days ago · 8 km deep · 72 km away
  8. 2.22 km N of Elk Creek, California · 16051 days ago · 14 km deep · 63 km away
  9. 1.513 km W of Chester, California · 16053 days ago · 8 km deep · 74 km away
  10. 2.313 km W of Chester, California · 16053 days ago · 10 km deep · 73 km away
  11. 2.213 km W of Chester, California · 16053 days ago · 9 km deep · 72 km away
  12. 1.515 km ESE of Mineral, California · 16053 days ago · 13 km deep · 72 km away
  13. 1.913 km W of Chester, California · 16055 days ago · 6 km deep · 72 km away
  14. 1.714 km ENE of Willows, California · 16055 days ago · 23 km deep · 27 km away
  15. 1.914 km W of Chester, California · 16055 days ago · 3 km deep · 73 km away
  16. 1.715 km ESE of Mineral, California · 16055 days ago · 3 km deep · 70 km away
  17. 2.013 km W of Chester, California · 16055 days ago · 7 km deep · 72 km away
  18. 1.91 km SSE of Chester, California · 16055 days ago · 3 km deep · 81 km away
  19. 1.83 km S of Chester, California · 16057 days ago · 3 km deep · 79 km away
  20. 2.23 km S of Hamilton City, California · 16060 days ago · 18 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1081105. Read Wed, Sep 30, 2026, 7:37 AM UTC.