California earthquakes

M1.9 earthquake 31 km W of Paskenta, California

A magnitude 1.9 earthquake struck 31 km W of Paskenta, California on Thu, Aug 1, 1985, 9:14 PM PDT (04:14 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.0 21 km NNE of Upper Lake, 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
1.9 (md), micro
Local time
UTC
1985-08-02 04:14:30 UTC
Depth
-0.9 km (-0.5 mi), shallow
Epicenter
39.913° N, 122.908° 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 0.8 km horizontally, 7.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
148°
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: 51 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.59 km NE of Vina, California · 15026 days ago · 7 km deep · 81 km away
  2. 2.021 km NNE of Upper Lake, California · 15025 days ago · 6 km deep · 63 km away
  3. 1.86 km E of Calpella, California · 15025 days ago · 5 km deep · 77 km away
  4. 2.56 km E of Hayfork, California · 15024 days ago · 28 km deep · 73 km away
  5. 1.514 km E of Cottonwood, California · 15024 days ago · 10 km deep · 86 km away
  6. 2.015 km SW of Paskenta, California · 15021 days ago · 6 km deep · 23 km away
  7. 1.56 km W of Covelo, California · 15021 days ago · 6 km deep · 37 km away
  8. 2.14 km NW of Redwood Valley, California · 15019 days ago · 5 km deep · 75 km away
  9. 1.69 km SW of Alderpoint, California · 15019 days ago · 22 km deep · 69 km away
  10. 1.713 km N of Brooktrails, California · 15018 days ago · 6 km deep · 55 km away
  11. 1.84 km S of Hamilton City, California · 15016 days ago · 5 km deep · 80 km away
  12. 2.18km NNW of French Gulch, CA · 15015 days ago · 19 km deep · 98 km away
  13. 2.39 km SE of Rancho Tehama Reserve, California · 15015 days ago · 5 km deep · 51 km away
  14. 1.90 km ESE of Redwood Valley, California · 15013 days ago · 6 km deep · 76 km away
  15. 1.69 km NE of Hopland, California · 15013 days ago · 6 km deep · 98 km away
  16. 2.08 km NE of Vina, California · 15012 days ago · 1 km deep · 80 km away
  17. 2.09 km SSE of Willits, California · 15008 days ago · 6 km deep · 73 km away
  18. 1.76 km NE of Brooktrails, California · 15006 days ago · 7 km deep · 60 km away
  19. 1.96km ESE of Millville, CA · 15006 days ago · 17 km deep · 96 km away
  20. 1.99 km WNW of Cohasset, California · 15006 days ago · 16 km deep · 91 km away
  21. 2.111 km WNW of Hyampom, California · 15003 days ago · 20 km deep · 99 km away
  22. 1.66 km NNE of Hopland, California · 15003 days ago · 0 km deep · 100 km away
  23. 2.20 km S of Brooktrails, California · 15000 days ago · -1 km deep · 67 km away
  24. 2.021 km WSW of Williams, California · 14999 days ago · 2 km deep · 99 km away
  25. 2.420 km WSW of Williams, California · 14995 days ago · 2 km deep · 100 km away
  26. 2.620 km WSW of Williams, California · 14995 days ago · 2 km deep · 99 km away
  27. 1.89 km ESE of Willits, California · 14995 days ago · 8 km deep · 65 km away
  28. 1.922 km WSW of Williams, California · 14995 days ago · 2 km deep · 100 km away
  29. 1.616 km ENE of Leggett, California · 14994 days ago · 2 km deep · 53 km away
  30. 1.69 km WNW of Anderson, California · 14993 days ago · 6 km deep · 77 km away
  31. 2.59 km SSW of Hyampom, California · 14992 days ago · 5 km deep · 87 km away
  32. 2.58 km SE of Alderpoint, California · 14992 days ago · 3 km deep · 59 km away
  33. 3.49 km NNW of Princeton, California · 14989 days ago · 19 km deep · 87 km away
  34. 2.32 km NE of Anderson, California · 14987 days ago · 61 km deep · 81 km away
  35. 1.920 km NE of Upper Lake, California · 14987 days ago · -1 km deep · 68 km away
  36. 1.812 km NE of Upper Lake, California · 14985 days ago · 2 km deep · 76 km away
  37. 2.2Northern California · 14985 days ago · 2 km deep · 76 km away
  38. 2.27 km SE of Millville, California · 14985 days ago · 19 km deep · 95 km away
  39. 1.713 km SE of Millville, California · 14984 days ago · 4 km deep · 94 km away
  40. 2.512 km NE of Upper Lake, California · 14984 days ago · 3 km deep · 76 km away
  41. 1.812 km NE of Upper Lake, California · 14984 days ago · 2 km deep · 76 km away
  42. 1.612 km NE of Upper Lake, California · 14983 days ago · 4 km deep · 75 km away
  43. 2.110 km E of Comptche, California · 14981 days ago · 8 km deep · 88 km away
  44. 2.013 km SW of Durham, California · 14978 days ago · 18 km deep · 92 km away
  45. 2.127 km ESE of Covelo, California · 14977 days ago · 4 km deep · 25 km away
  46. 1.71 km SW of Redway, California · 14977 days ago · 19 km deep · 82 km away
  47. 2.010 km NW of Cohasset, California · 14973 days ago · 5 km deep · 94 km away
  48. 2.312 km NE of Vina, California · 14972 days ago · 0 km deep · 83 km away
  49. 1.74 km ESE of Cleone, California · 14972 days ago · 3 km deep · 86 km away
  50. 1.52 km ESE of Paynes Creek, California · 14968 days ago · 9 km deep · 98 km away
  51. 2.019 km N of Upper Lake, California · 14968 days ago · 5 km deep · 64 km away

Before

  1. 1.50 km SW of Redwood Valley, California · 15027 days ago · 4 km deep · 77 km away
  2. 2.80 km NNE of Redwood Valley, California · 15027 days ago · 6 km deep · 76 km away
  3. 1.60 km WSW of Redwood Valley, California · 15027 days ago · 7 km deep · 77 km away
  4. 1.811 km NE of Potter Valley, California · 15027 days ago · 1 km deep · 58 km away
  5. 1.70 km SSE of Redwood Valley, California · 15027 days ago · 6 km deep · 77 km away
  6. 1.77 km ENE of Redcrest, California · 15028 days ago · 23 km deep · 99 km away
  7. 3.313 km N of Princeton, California · 15030 days ago · 12 km deep · 87 km away
  8. 1.624 km WNW of Elk Creek, California · 15030 days ago · 4 km deep · 23 km away
  9. 2.324 km WNW of Elk Creek, California · 15030 days ago · 2 km deep · 24 km away
  10. 2.125 km WNW of Elk Creek, California · 15030 days ago · 4 km deep · 25 km away
  11. 1.79 km NW of Cohasset, California · 15032 days ago · -1 km deep · 95 km away
  12. 1.89 km NW of Cohasset, California · 15032 days ago · 6 km deep · 94 km away
  13. 2.325 km SSE of Ruth, California · 15032 days ago · 22 km deep · 29 km away
  14. 2.615 km ENE of Willows, California · 15032 days ago · 14 km deep · 86 km away
  15. 1.825 km SSE of Ruth, California · 15032 days ago · 21 km deep · 29 km away
  16. 2.027 km N of Potter Valley, California · 15032 days ago · 4 km deep · 42 km away
  17. 2.112 km NE of Redcrest, California · 15035 days ago · 6 km deep · 100 km away
  18. 2.28 km ENE of Artois, California · 15038 days ago · 5 km deep · 75 km away
  19. 1.67 km SE of Willits, California · 15039 days ago · 6 km deep · 70 km away
  20. 1.812 km WSW of Durham, California · 15039 days ago · 18 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc53668. Read Tue, Sep 22, 2026, 3:58 PM UTC.