California earthquakes

M1.9 earthquake 10 km E of Hydesville, California

A magnitude 1.9 earthquake struck 10 km E of Hydesville, California on Fri, Jan 31, 1986, 11:11 PM PST (07:11 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.0 46 km WNW of Ferndale, California. This one was a foreshock.

Hydesville 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
1.9 (md), micro
Local time
UTC
1986-02-01 07:11:04 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
40.557° N, 123.974° 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 1.2 km horizontally, 4.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
189°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 43 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.98 km NNW of Redcrest, California · 14850 days ago · 25 km deep · 9 km away
  2. 3.24 km ESE of Indianola, California · 14849 days ago · 20 km deep · 27 km away
  3. 3.537 km W of Ferndale, California · 14846 days ago · 17 km deep · 62 km away
  4. 1.87 km SSW of Scotia, California · 14846 days ago · 5 km deep · 20 km away
  5. 1.71 km S of Loleta, California · 14844 days ago · 4 km deep · 22 km away
  6. 2.439 km WSW of Ferndale, California · 14843 days ago · 14 km deep · 63 km away
  7. 4.046 km WNW of Ferndale, California · 14833 days ago · 1 km deep · 70 km away
  8. 1.68 km E of Rio Dell, California · 14828 days ago · 19 km deep · 6 km away
  9. 2.328 km SSW of Ferndale, California · 14828 days ago · 20 km deep · 45 km away
  10. 1.911 km NE of Trinity Village, California · 14825 days ago · 12 km deep · 63 km away
  11. 3.534 km W of Ferndale, California · 14824 days ago · 12 km deep · 58 km away
  12. 2.98 km WSW of Rio Dell, California · 14822 days ago · 26 km deep · 21 km away
  13. 2.59 km WSW of Rio Dell, California · 14822 days ago · 26 km deep · 22 km away
  14. 1.618 km WSW of Weott, California · 14821 days ago · 3 km deep · 36 km away
  15. 2.450 km WSW of Ferndale, California · 14820 days ago · 5 km deep · 72 km away
  16. 3.850 km SW of Ferndale, California · 14820 days ago · 4 km deep · 68 km away
  17. 3.836 km SSW of Ferndale, California · 14816 days ago · -1 km deep · 51 km away
  18. 3.057 km WSW of Ferndale, California · 14816 days ago · 4 km deep · 80 km away
  19. 3.337 km WSW of Ferndale, California · 14815 days ago · 22 km deep · 61 km away
  20. 2.339 km WSW of Ferndale, California · 14815 days ago · 15 km deep · 63 km away
  21. 1.637 km NE of Trinity Village, California · 14813 days ago · 4 km deep · 89 km away
  22. 3.6near the coast of Northern California · 14813 days ago · 20 km deep · 47 km away
  23. 3.1near the coast of Northern California · 14813 days ago · 11 km deep · 48 km away
  24. 2.027 km SSW of Ferndale, California · 14804 days ago · 15 km deep · 43 km away
  25. 2.4near the coast of Northern California · 14803 days ago · 4 km deep · 71 km away
  26. 3.815 km WSW of Willow Creek, California · 14803 days ago · 24 km deep · 38 km away
  27. 3.413 km SW of Willow Creek, California · 14803 days ago · 20 km deep · 38 km away
  28. 3.17 km NNE of Willow Creek, California · 14803 days ago · 5 km deep · 58 km away
  29. 3.720 km NNW of Junction City, California · 14803 days ago · 3 km deep · 78 km away
  30. 1.919 km W of Hyampom, California · 14802 days ago · 8 km deep · 26 km away
  31. 1.921 km NNW of Covelo, California · 14800 days ago · -1 km deep · 83 km away
  32. 2.221 km NNW of Covelo, California · 14800 days ago · -1 km deep · 83 km away
  33. 1.721 km NNW of Covelo, California · 14800 days ago · 8 km deep · 84 km away
  34. 1.821 km NNW of Covelo, California · 14800 days ago · -1 km deep · 84 km away
  35. 1.822 km NNW of Covelo, California · 14800 days ago · -1 km deep · 83 km away
  36. 1.921 km NNW of Covelo, California · 14799 days ago · -1 km deep · 83 km away
  37. 2.932 km SSW of Ferndale, California · 14799 days ago · 4 km deep · 47 km away
  38. 2.022 km NNW of Covelo, California · 14799 days ago · 1 km deep · 83 km away
  39. 2.63 km SSW of Junction City, California · 14796 days ago · 28 km deep · 78 km away
  40. 2.132 km SSW of Ferndale, California · 14793 days ago · 6 km deep · 47 km away
  41. 3.235 km SW of Scotia, California · 14792 days ago · 22 km deep · 49 km away
  42. 3.036 km SW of Scotia, California · 14792 days ago · 2 km deep · 50 km away
  43. 2.431 km SW of Scotia, California · 14791 days ago · 24 km deep · 45 km away

Before

  1. 3.065 km WNW of Ferndale, California · 14852 days ago · 0 km deep · 90 km away
  2. 2.749 km WNW of Shelter Cove, California · 14853 days ago · 4 km deep · 67 km away
  3. 1.91 km SSW of Redway, California · 14856 days ago · 18 km deep · 51 km away
  4. 2.733 km SSW of Ferndale, California · 14862 days ago · 11 km deep · 49 km away
  5. 1.916 km NE of Miranda, California · 14863 days ago · 4 km deep · 34 km away
  6. 2.013 km NE of Willow Creek, California · 14865 days ago · -1 km deep · 64 km away
  7. 2.217 km WSW of Leggett, California · 14866 days ago · 2 km deep · 83 km away
  8. 3.035 km WSW of Ferndale, California · 14866 days ago · 23 km deep · 57 km away
  9. 2.74 km WNW of Redway, California · 14866 days ago · 21 km deep · 48 km away
  10. 1.910 km NE of Redcrest, California · 14869 days ago · 7 km deep · 15 km away
  11. 2.114 km WSW of Weott, California · 14870 days ago · 8 km deep · 33 km away
  12. 2.07 km W of Rio Dell, California · 14870 days ago · 20 km deep · 20 km away
  13. 1.79 km WSW of Ferndale, California · 14871 days ago · 17 km deep · 33 km away
  14. 3.212 km WSW of Redcrest, California · 14872 days ago · 1 km deep · 23 km away
  15. 2.645 km WNW of Samoa, California · 14872 days ago · 4 km deep · 75 km away
  16. 2.15 km SSE of Ferndale, California · 14872 days ago · 7 km deep · 23 km away
  17. 2.831 km SW of Scotia, California · 14873 days ago · 16 km deep · 45 km away
  18. 2.918 km WNW of Junction City, California · 14874 days ago · 28 km deep · 66 km away
  19. 1.815 km NE of Miranda, California · 14874 days ago · 19 km deep · 31 km away
  20. 2.015 km SE of Orick, California · 14874 days ago · -1 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc66647. Read Tue, Sep 29, 2026, 10:55 PM UTC.