California earthquakes

M2.9 earthquake 79 km WSW of Ferndale, California

A magnitude 2.9 earthquake struck 79 km WSW of Ferndale, California on Sat, Sep 28, 1985, 1:00 PM PDT (20:00 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.5 28 km SW of Ferndale, California. This one was a foreshock.

Ferndale 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
2.9 (md), micro
Local time
UTC
1985-09-28 20:00:15 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
40.371° N, 125.168° 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 4.4 km horizontally, 6.4 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
284°, poorly surrounded by stations
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: 36 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.541 km WSW of Ferndale, California · 14968 days ago · 16 km deep · 38 km away
  2. 1.84 km N of Hydesville, California · 14968 days ago · 19 km deep · 94 km away
  3. 1.619 km SSW of Ferndale, California · 14968 days ago · 26 km deep · 70 km away
  4. 1.818 km SSW of Ferndale, California · 14968 days ago · 26 km deep · 69 km away
  5. 1.835 km WSW of Ferndale, California · 14968 days ago · 25 km deep · 46 km away
  6. 2.14 km ESE of Fortuna, California · 14963 days ago · 22 km deep · 93 km away
  7. 1.722 km WSW of Weott, California · 14963 days ago · 9 km deep · 85 km away
  8. 2.221 km WSW of Ferndale, California · 14962 days ago · 22 km deep · 59 km away
  9. 1.925 km SW of Ferndale, California · 14962 days ago · 27 km deep · 59 km away
  10. 3.528 km SW of Ferndale, California · 14962 days ago · 16 km deep · 59 km away
  11. 3.066 km WSW of Ferndale, California · 14959 days ago · 3 km deep · 19 km away
  12. 2.720 km SW of Weott, California · 14956 days ago · 4 km deep · 91 km away
  13. 2.041 km SW of Ferndale, California · 14956 days ago · 23 km deep · 43 km away
  14. 3.337 km SW of Ferndale, California · 14954 days ago · 25 km deep · 50 km away
  15. 2.312 km SW of Scotia, California · 14946 days ago · 6 km deep · 82 km away
  16. 3.622 km WNW of Indianola, California · 14942 days ago · 21 km deep · 70 km away
  17. 3.122 km WSW of Weott, California · 14941 days ago · 13 km deep · 88 km away
  18. 3.073 km WSW of Ferndale, California · 14941 days ago · 12 km deep · 7 km away
  19. 2.719 km WNW of Indianola, California · 14936 days ago · 20 km deep · 74 km away
  20. 2.360 km W of Indianola, California · 14930 days ago · 4 km deep · 47 km away
  21. 2.235 km SSW of Ferndale, California · 14929 days ago · 18 km deep · 62 km away
  22. 1.734 km NW of Shelter Cove, California · 14929 days ago · 4 km deep · 67 km away
  23. 4.175 km WNW of Ferndale, California · 14928 days ago · 2 km deep · 44 km away
  24. 2.52 km NNE of Humboldt Hill, California · 14928 days ago · 19 km deep · 93 km away
  25. 2.29 km WNW of Ferndale, California · 14926 days ago · 11 km deep · 73 km away
  26. 2.646 km WSW of Ferndale, California · 14924 days ago · 1 km deep · 38 km away
  27. 2.537 km SSW of Ferndale, California · 14924 days ago · 21 km deep · 57 km away
  28. 1.610 km W of Ferndale, California · 14923 days ago · 15 km deep · 69 km away
  29. 1.819 km WSW of Scotia, CA · 14919 days ago · 4 km deep · 74 km away
  30. 2.644 km SW of Ferndale, California · 14918 days ago · 19 km deep · 40 km away
  31. 3.235 km WSW of Ferndale, California · 14917 days ago · 38 km deep · 45 km away
  32. 2.533 km SW of Ferndale, California · 14917 days ago · 25 km deep · 49 km away
  33. 2.378 km WSW of Ferndale, California · 14916 days ago · 4 km deep · 7 km away
  34. 3.055 km W of Shelter Cove, California · 14916 days ago · 4 km deep · 47 km away
  35. 2.725 km SSW of Ferndale, California · 14915 days ago · 39 km deep · 67 km away
  36. 2.856 km WSW of Ferndale, California · 14912 days ago · 16 km deep · 24 km away

Before

  1. 1.831 km SSW of Ferndale, California · 14969 days ago · 4 km deep · 62 km away
  2. 2.04 km NE of Hydesville, California · 14971 days ago · 25 km deep · 96 km away
  3. 1.648 km SW of Ferndale, California · 14971 days ago · 3 km deep · 38 km away
  4. 2.210 km SW of Scotia, California · 14972 days ago · 12 km deep · 85 km away
  5. 3.656 km WSW of Ferndale, California · 14976 days ago · 7 km deep · 25 km away
  6. 3.337 km SW of Ferndale, California · 14986 days ago · 2 km deep · 46 km away
  7. 2.654 km SW of Ferndale, California · 14986 days ago · 7 km deep · 37 km away
  8. 2.837 km SW of Ferndale, California · 14990 days ago · 21 km deep · 55 km away
  9. 2.938 km SW of Ferndale, California · 14991 days ago · 19 km deep · 51 km away
  10. 2.529 km SW of Ferndale, California · 14992 days ago · 16 km deep · 53 km away
  11. 2.024 km WSW of Ferndale, California · 14995 days ago · 26 km deep · 57 km away
  12. 2.4near the coast of Northern California · 14996 days ago · 13 km deep · 69 km away
  13. 1.925 km SSW of Scotia, California · 14997 days ago · 7 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc56775. Read Tue, Sep 22, 2026, 4:04 PM UTC.