California earthquakes

M1.6 earthquake 4 km N of Shingletown, California

A magnitude 1.6 earthquake struck 4 km N of Shingletown, California on Mon, Dec 21, 1981, 12:33 PM PST (20:33 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.9 17 km WSW of Old Station, California. This one was a foreshock.

Shingletown 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
1.6 (md), micro
Local time
UTC
1981-12-21 20:33:11 UTC
Depth
3.1 km (1.9 mi), shallow
Epicenter
40.537° N, 121.886° 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 16.9 km horizontally, 23.5 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
316°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.420 km WSW of Old Station, CA · 16352 days ago · 7 km deep · 22 km away
  2. 2.110 km SW of Lake Almanor West, California · 16350 days ago · 4 km deep · 67 km away
  3. 2.20 km WNW of Millville, California · 16348 days ago · 19 km deep · 25 km away
  4. 1.814 km NNE of Mineral, California · 16346 days ago · 2 km deep · 30 km away
  5. 1.519 km SE of Round Mountain, California · 16343 days ago · 29 km deep · 20 km away
  6. 1.914 km NNE of Mineral, California · 16342 days ago · 3 km deep · 30 km away
  7. 2.73 km WNW of Greenville, California · 16341 days ago · 2 km deep · 88 km away
  8. 1.621 km WSW of Old Station, California · 16335 days ago · 7 km deep · 20 km away
  9. 1.711 km WSW of Chester, California · 16332 days ago · 8 km deep · 56 km away
  10. 1.815 km ESE of Mineral, California · 16331 days ago · 7 km deep · 46 km away
  11. 1.915 km W of Lake Almanor West, California · 16331 days ago · 10 km deep · 56 km away
  12. 1.612 km WSW of Chester, CA · 16328 days ago · 0 km deep · 54 km away
  13. 1.614 km W of Chester, California · 16327 days ago · 6 km deep · 49 km away
  14. 2.40 km SSE of Bella Vista, California · 16326 days ago · 4 km deep · 31 km away
  15. 1.819 km SW of Old Station, California · 16324 days ago · 8 km deep · 24 km away
  16. 1.62 km NE of Prattville, California · 16322 days ago · 0 km deep · 72 km away
  17. 2.112 km SW of Old Station, California · 16320 days ago · 13 km deep · 30 km away
  18. 1.94 km WSW of Lakehead, California · 16318 days ago · -1 km deep · 60 km away
  19. 1.92 km SSW of Old Station, California · 16316 days ago · -1 km deep · 40 km away
  20. 1.913 km NNE of Mineral, California · 16315 days ago · 3 km deep · 33 km away
  21. 1.613 km SSE of Mineral, California · 16314 days ago · 24 km deep · 45 km away
  22. 1.516 km NNW of Chester, California · 16314 days ago · 0 km deep · 49 km away
  23. 2.04 km WSW of Belden, California · 16312 days ago · 4 km deep · 79 km away
  24. 1.912 km SSW of Old Station, California · 16311 days ago · 3 km deep · 34 km away
  25. 1.96 km SE of Belden, California · 16311 days ago · 5 km deep · 87 km away
  26. 1.824 km ENE of McCloud, California · 16310 days ago · 7 km deep · 91 km away
  27. 1.513 km NNE of Mineral, California · 16305 days ago · 2 km deep · 30 km away
  28. 1.911 km SW of Butte Meadows, California · 16303 days ago · 7 km deep · 62 km away
  29. 1.615 km NNE of Mineral, California · 16301 days ago · 2 km deep · 32 km away
  30. 1.75 km E of Big Bend, California · 16299 days ago · 3 km deep · 54 km away
  31. 2.016 km NE of Shingletown, California · 16298 days ago · 5 km deep · 13 km away
  32. 2.010 km SW of Old Station, California · 16298 days ago · 1 km deep · 32 km away
  33. 2.518 km WSW of Old Station, California · 16297 days ago · 6 km deep · 23 km away
  34. 1.821 km WSW of Old Station, California · 16297 days ago · 5 km deep · 20 km away
  35. 2.218 km WSW of Old Station, California · 16297 days ago · 0 km deep · 23 km away
  36. 2.116 km WSW of Old Station, California · 16297 days ago · 7 km deep · 25 km away
  37. 1.618 km WSW of Old Station, California · 16297 days ago · 1 km deep · 23 km away
  38. 1.817 km WSW of Old Station, California · 16297 days ago · 5 km deep · 24 km away
  39. 2.618 km WSW of Old Station, California · 16297 days ago · 4 km deep · 23 km away
  40. 1.51 km NW of Chico, California · 16297 days ago · 16 km deep · 89 km away
  41. 1.812 km WSW of Old Station, California · 16297 days ago · 6 km deep · 29 km away
  42. 2.018 km WSW of Old Station, California · 16296 days ago · 3 km deep · 23 km away
  43. 1.621 km NE of Shingletown, California · 16296 days ago · 3 km deep · 18 km away
  44. 1.515 km SW of Old Station, California · 16295 days ago · 2 km deep · 27 km away
  45. 2.819 km WSW of Old Station, California · 16295 days ago · 1 km deep · 22 km away
  46. 2.917 km WSW of Old Station, California · 16295 days ago · 4 km deep · 24 km away
  47. 1.718 km WSW of Old Station, California · 16295 days ago · 6 km deep · 23 km away
  48. 2.216 km WSW of Old Station, California · 16295 days ago · 7 km deep · 25 km away
  49. 1.817 km WSW of Old Station, California · 16295 days ago · -2 km deep · 24 km away
  50. 2.113 km ENE of Shingletown, California · 16294 days ago · 3 km deep · 13 km away
  51. 1.516 km SW of Old Station, California · 16294 days ago · 0 km deep · 27 km away
  52. 2.013 km WSW of Old Station, California · 16294 days ago · 10 km deep · 28 km away
  53. 1.615 km WSW of Old Station, California · 16293 days ago · 5 km deep · 27 km away
  54. 2.519 km WSW of Old Station, California · 16293 days ago · 0 km deep · 22 km away
  55. 1.718 km WSW of Old Station, California · 16293 days ago · 2 km deep · 23 km away
  56. 1.75 km SSE of Hat Creek, California · 16293 days ago · 4 km deep · 43 km away

Before

  1. 2.48 km WNW of Belden, California · 16354 days ago · 4 km deep · 72 km away
  2. 1.64 km W of McCloud, California · 16359 days ago · 9 km deep · 83 km away
  3. 2.77 km WNW of Paradise, California · 16363 days ago · 5 km deep · 86 km away
  4. 2.314 km WNW of Paskenta, California · 16365 days ago · 7 km deep · 96 km away
  5. 1.85 km WNW of Manton, California · 16366 days ago · 3 km deep · 10 km away
  6. 1.94 km NW of Lake Almanor West, California · 16369 days ago · 26 km deep · 62 km away
  7. 1.62 km E of Shingletown, California · 16369 days ago · 3 km deep · 6 km away
  8. 1.815 km WSW of Chester, California · 16370 days ago · 3 km deep · 51 km away
  9. 1.713 km NNW of Big Bend, California · 16371 days ago · 3 km deep · 66 km away
  10. 2.5Northern California · 16373 days ago · 6 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1070530. Read Tue, Sep 29, 2026, 2:07 AM UTC.