California earthquakes

M2.5 earthquake 26 km W of Paskenta, California

A magnitude 2.5 earthquake struck 26 km W of Paskenta, California on Mon, Dec 23, 1985, 4:21 PM PST (00:21 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M3.5 7 km NW of Brooktrails, California. This one was a foreshock.

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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
1985-12-24 00:21:46 UTC
Depth
-1.2 km (-0.8 mi), shallow
Epicenter
39.931° N, 122.854° 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 0.7 km horizontally, 3.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
65°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.722 km ENE of Potter Valley, California · 14890 days ago · 10 km deep · 59 km away
  2. 1.910 km NNE of Brooktrails, California · 14888 days ago · 8 km deep · 60 km away
  3. 1.816 km WNW of Mad River, California · 14887 days ago · 24 km deep · 95 km away
  4. 2.10 km SE of Redwood Valley, California · 14884 days ago · 5 km deep · 80 km away
  5. 3.24 km ESE of Bella Vista, California · 14883 days ago · 19 km deep · 96 km away
  6. 2.010 km NNE of Princeton, California · 14879 days ago · 5 km deep · 91 km away
  7. 2.37 km ESE of Millville, California · 14878 days ago · -1 km deep · 93 km away
  8. 2.010 km NNE of Hopland, California · 14878 days ago · 6 km deep · 99 km away
  9. 1.716 km NNE of Upper Lake, California · 14875 days ago · 6 km deep · 71 km away
  10. 1.919 km ENE of Potter Valley, California · 14875 days ago · 6 km deep · 61 km away
  11. 1.625 km SE of Covelo, California · 14875 days ago · 4 km deep · 40 km away
  12. 1.74 km NW of Redwood Valley, California · 14875 days ago · 5 km deep · 78 km away
  13. 1.71 km E of Calpella, California · 14874 days ago · 6 km deep · 83 km away
  14. 1.815 km NE of Miranda, California · 14874 days ago · 19 km deep · 87 km away
  15. 1.94 km NW of Redwood Valley, California · 14873 days ago · -1 km deep · 78 km away
  16. 2.126 km W of Paskenta, California · 14870 days ago · -1 km deep · 0 km away
  17. 1.710 km SSE of Laytonville, California · 14870 days ago · 7 km deep · 60 km away
  18. 2.72 km NW of Laytonville, California · 14868 days ago · 7 km deep · 61 km away
  19. 1.82 km WNW of Laytonville, California · 14868 days ago · 6 km deep · 62 km away
  20. 1.612 km NNE of Brooktrails, California · 14868 days ago · 4 km deep · 60 km away
  21. 2.74 km WNW of Redway, California · 14867 days ago · 21 km deep · 90 km away
  22. 2.217 km WSW of Leggett, California · 14866 days ago · 2 km deep · 91 km away
  23. 1.620 km N of Potter Valley, California · 14864 days ago · 6 km deep · 53 km away
  24. 2.112 km NE of Bend, California · 14864 days ago · 19 km deep · 78 km away
  25. 1.916 km NE of Miranda, California · 14863 days ago · 4 km deep · 84 km away
  26. 2.19 km W of Laytonville, California · 14860 days ago · 1 km deep · 69 km away
  27. 2.02 km NW of Laytonville, California · 14859 days ago · 7 km deep · 61 km away
  28. 1.86 km ESE of Bella Vista, California · 14857 days ago · 19 km deep · 95 km away
  29. 1.91 km SSW of Redway, California · 14856 days ago · 18 km deep · 85 km away
  30. 2.17 km NNE of Proberta, California · 14856 days ago · 6 km deep · 65 km away
  31. 1.928 km E of Covelo, California · 14854 days ago · 4 km deep · 15 km away
  32. 3.025 km W of Paskenta, California · 14848 days ago · -1 km deep · 2 km away
  33. 2.318 km NE of Potter Valley, California · 14847 days ago · 5 km deep · 55 km away
  34. 1.916 km N of Potter Valley, California · 14846 days ago · 5 km deep · 55 km away
  35. 2.417 km WSW of Elk Creek, California · 14839 days ago · 3 km deep · 47 km away
  36. 3.110 km E of Artois, California · 14836 days ago · 11 km deep · 75 km away
  37. 3.57 km NW of Brooktrails, California · 14834 days ago · -1 km deep · 71 km away

Before

  1. 1.624 km WNW of Paskenta, California · 14895 days ago · 4 km deep · 8 km away
  2. 1.916 km NE of Lucerne, California · 14898 days ago · 5 km deep · 81 km away
  3. 1.67 km E of Willits, California · 14899 days ago · 8 km deep · 67 km away
  4. 1.75 km SE of Calpella, California · 14903 days ago · 5 km deep · 85 km away
  5. 1.614 km E of Willows, California · 14907 days ago · 13 km deep · 83 km away
  6. 2.22 km E of Benbow, California · 14908 days ago · 17 km deep · 79 km away
  7. 2.29 km N of Mad River, California · 14910 days ago · 4 km deep · 86 km away
  8. 3.05 km S of Millville, California · 14911 days ago · 4 km deep · 86 km away
  9. 1.88 km N of Upper Lake, California · 14913 days ago · 6 km deep · 77 km away
  10. 1.930 km WNW of Paskenta, California · 14914 days ago · 1 km deep · 6 km away
  11. 2.334 km NW of Paskenta, California · 14917 days ago · 8 km deep · 17 km away
  12. 1.96 km E of Calpella, California · 14917 days ago · 3 km deep · 81 km away
  13. 1.712 km WSW of Willits, California · 14917 days ago · 0 km deep · 84 km away
  14. 2.026 km NE of Potter Valley, California · 14919 days ago · 7 km deep · 51 km away
  15. 2.118 km ENE of Weott, California · 14919 days ago · 19 km deep · 90 km away
  16. 1.817 km NE of Myers Flat, California · 14919 days ago · 22 km deep · 89 km away
  17. 1.810 km NE of Phillipsville, California · 14920 days ago · 26 km deep · 81 km away
  18. 2.49 km NNW of Alderpoint, California · 14920 days ago · 26 km deep · 78 km away
  19. 1.915 km W of Manton, California · 14920 days ago · 28 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc63455. Read Wed, Sep 30, 2026, 4:17 AM UTC.