California earthquakes

M2.4 earthquake 20 km WSW of Old Station, CA

A magnitude 2.4 earthquake struck 20 km WSW of Old Station, CA on Mon, Dec 21, 1981, 6:28 PM PST (02:28 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.7 3 km WNW of Greenville, 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.4 (md), micro
Local time
UTC
1981-12-22 02:28:37 UTC
Depth
6.9 km (4.3 mi), shallow
Epicenter
40.595° N, 121.641° 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, 1.5 km in depth
Magnitude uncertainty
±0.36
Depth from
From location
Station coverage gap
169°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.110 km SW of Lake Almanor West, California · 16344 days ago · 4 km deep · 58 km away
  2. 2.20 km WNW of Millville, California · 16342 days ago · 19 km deep · 46 km away
  3. 1.814 km NNE of Mineral, California · 16340 days ago · 2 km deep · 16 km away
  4. 1.519 km SE of Round Mountain, California · 16337 days ago · 29 km deep · 15 km away
  5. 1.914 km NNE of Mineral, California · 16335 days ago · 3 km deep · 16 km away
  6. 2.73 km WNW of Greenville, California · 16335 days ago · 2 km deep · 74 km away
  7. 1.621 km WSW of Old Station, California · 16329 days ago · 7 km deep · 2 km away
  8. 1.711 km WSW of Chester, California · 16325 days ago · 8 km deep · 46 km away
  9. 1.815 km ESE of Mineral, California · 16325 days ago · 7 km deep · 37 km away
  10. 1.915 km W of Lake Almanor West, California · 16325 days ago · 10 km deep · 47 km away
  11. 1.612 km WSW of Chester, CA · 16322 days ago · 0 km deep · 44 km away
  12. 1.614 km W of Chester, California · 16321 days ago · 6 km deep · 39 km away
  13. 2.40 km SSE of Bella Vista, California · 16319 days ago · 4 km deep · 50 km away
  14. 1.819 km SW of Old Station, California · 16317 days ago · 8 km deep · 4 km away
  15. 1.62 km NE of Prattville, California · 16315 days ago · 0 km deep · 60 km away
  16. 2.112 km SW of Old Station, California · 16314 days ago · 13 km deep · 8 km away
  17. 1.94 km WSW of Lakehead, California · 16312 days ago · -1 km deep · 74 km away
  18. 1.92 km SSW of Old Station, California · 16309 days ago · -1 km deep · 18 km away
  19. 1.913 km NNE of Mineral, California · 16308 days ago · 3 km deep · 19 km away
  20. 1.613 km SSE of Mineral, California · 16308 days ago · 24 km deep · 40 km away
  21. 1.516 km NNW of Chester, California · 16308 days ago · 0 km deep · 32 km away
  22. 2.88 km W of Janesville, California · 16307 days ago · 3 km deep · 92 km away
  23. 2.04 km WSW of Belden, California · 16305 days ago · 4 km deep · 74 km away
  24. 1.912 km SSW of Old Station, California · 16305 days ago · 3 km deep · 13 km away
  25. 2.64 km WSW of Susanville, California · 16305 days ago · -2 km deep · 82 km away
  26. 1.96 km SE of Belden, California · 16305 days ago · 5 km deep · 79 km away
  27. 1.824 km ENE of McCloud, California · 16304 days ago · 7 km deep · 86 km away
  28. 1.513 km NNE of Mineral, California · 16298 days ago · 2 km deep · 16 km away
  29. 1.911 km SW of Butte Meadows, California · 16297 days ago · 7 km deep · 65 km away
  30. 1.615 km NNE of Mineral, California · 16295 days ago · 2 km deep · 17 km away
  31. 1.75 km E of Big Bend, California · 16293 days ago · 3 km deep · 51 km away
  32. 2.016 km NE of Shingletown, California · 16292 days ago · 5 km deep · 10 km away
  33. 2.010 km SW of Old Station, California · 16291 days ago · 1 km deep · 10 km away
  34. 2.518 km WSW of Old Station, California · 16291 days ago · 6 km deep · 3 km away
  35. 1.821 km WSW of Old Station, California · 16291 days ago · 5 km deep · 5 km away
  36. 2.218 km WSW of Old Station, California · 16291 days ago · 0 km deep · 4 km away
  37. 2.116 km WSW of Old Station, California · 16291 days ago · 7 km deep · 5 km away
  38. 1.618 km WSW of Old Station, California · 16291 days ago · 1 km deep · 4 km away
  39. 1.817 km WSW of Old Station, California · 16291 days ago · 5 km deep · 4 km away
  40. 2.618 km WSW of Old Station, California · 16291 days ago · 4 km deep · 3 km away
  41. 1.51 km NW of Chico, California · 16291 days ago · 16 km deep · 97 km away
  42. 1.812 km WSW of Old Station, California · 16290 days ago · 6 km deep · 7 km away
  43. 2.018 km WSW of Old Station, California · 16290 days ago · 3 km deep · 4 km away
  44. 1.621 km NE of Shingletown, California · 16290 days ago · 3 km deep · 7 km away
  45. 1.515 km SW of Old Station, California · 16289 days ago · 2 km deep · 6 km away
  46. 2.819 km WSW of Old Station, California · 16289 days ago · 1 km deep · 4 km away
  47. 2.917 km WSW of Old Station, California · 16289 days ago · 4 km deep · 4 km away
  48. 1.718 km WSW of Old Station, California · 16289 days ago · 6 km deep · 3 km away
  49. 2.216 km WSW of Old Station, California · 16289 days ago · 7 km deep · 4 km away
  50. 1.817 km WSW of Old Station, California · 16289 days ago · -2 km deep · 2 km away
  51. 2.113 km ENE of Shingletown, California · 16288 days ago · 3 km deep · 10 km away
  52. 1.516 km SW of Old Station, California · 16288 days ago · 0 km deep · 7 km away
  53. 2.013 km WSW of Old Station, California · 16287 days ago · 10 km deep · 7 km away
  54. 1.615 km WSW of Old Station, California · 16287 days ago · 5 km deep · 5 km away
  55. 2.519 km WSW of Old Station, California · 16287 days ago · 0 km deep · 4 km away
  56. 1.718 km WSW of Old Station, California · 16287 days ago · 2 km deep · 1 km away
  57. 1.75 km SSE of Hat Creek, California · 16287 days ago · 4 km deep · 24 km away

Before

  1. 1.64 km N of Shingletown, California · 16346 days ago · 3 km deep · 22 km away
  2. 2.48 km WNW of Belden, California · 16348 days ago · 4 km deep · 67 km away
  3. 1.64 km W of McCloud, California · 16353 days ago · 9 km deep · 86 km away
  4. 2.77 km WNW of Paradise, California · 16357 days ago · 5 km deep · 91 km away
  5. 1.85 km WNW of Manton, California · 16360 days ago · 3 km deep · 29 km away
  6. 1.94 km NW of Lake Almanor West, California · 16362 days ago · 26 km deep · 50 km away
  7. 1.62 km E of Shingletown, California · 16363 days ago · 3 km deep · 21 km away
  8. 1.815 km WSW of Chester, California · 16364 days ago · 3 km deep · 42 km away
  9. 1.713 km NNW of Big Bend, California · 16365 days ago · 3 km deep · 66 km away
  10. 2.5Northern California · 16367 days ago · 6 km deep · 69 km away
  11. 2.713 km SSE of Tennant, California · 16372 days ago · 3 km deep · 98 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1070535. Read Tue, Sep 22, 2026, 8:51 PM UTC.