California earthquakes

M3.3 earthquake 37 km SW of Ferndale, California

A magnitude 3.3 earthquake struck 37 km SW of Ferndale, California on Wed, Sep 11, 1985, 3:01 PM PDT (22:01 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.6 56 km WSW 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
3.3 (ml), minor
Local time
UTC
1985-09-11 22:01:41 UTC
Depth
1.6 km (1.0 mi), shallow
Epicenter
40.376° N, 124.622° 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 4.0 km horizontally, 27.9 km in depth
Depth from
From location
Station coverage gap
265°, poorly surrounded by stations
Stations used
41

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 23 in the 30 days before it.

After

  1. 1.71 km SW of Redway, California · 14977 days ago · 19 km deep · 73 km away
  2. 3.656 km WSW of Ferndale, California · 14976 days ago · 7 km deep · 22 km away
  3. 2.210 km SW of Scotia, California · 14973 days ago · 12 km deep · 39 km away
  4. 1.648 km SW of Ferndale, California · 14971 days ago · 3 km deep · 11 km away
  5. 2.04 km NE of Hydesville, California · 14971 days ago · 25 km deep · 53 km away
  6. 1.831 km SSW of Ferndale, California · 14969 days ago · 4 km deep · 17 km away
  7. 2.979 km WSW of Ferndale, California · 14969 days ago · 4 km deep · 46 km away
  8. 2.541 km WSW of Ferndale, California · 14968 days ago · 16 km deep · 15 km away
  9. 1.84 km N of Hydesville, California · 14968 days ago · 19 km deep · 50 km away
  10. 1.619 km SSW of Ferndale, California · 14968 days ago · 26 km deep · 24 km away
  11. 1.818 km SSW of Ferndale, California · 14968 days ago · 26 km deep · 23 km away
  12. 1.835 km WSW of Ferndale, California · 14968 days ago · 25 km deep · 5 km away
  13. 2.14 km ESE of Fortuna, California · 14963 days ago · 22 km deep · 50 km away
  14. 1.722 km WSW of Weott, California · 14963 days ago · 9 km deep · 40 km away
  15. 2.221 km WSW of Ferndale, California · 14963 days ago · 22 km deep · 16 km away
  16. 2.422 km NW of Mad River, California · 14962 days ago · 23 km deep · 80 km away
  17. 1.925 km SW of Ferndale, California · 14962 days ago · 27 km deep · 13 km away
  18. 3.528 km SW of Ferndale, California · 14962 days ago · 16 km deep · 13 km away
  19. 3.066 km WSW of Ferndale, California · 14960 days ago · 3 km deep · 30 km away
  20. 1.714 km W of Ruth, California · 14958 days ago · -1 km deep · 97 km away
  21. 2.720 km SW of Weott, California · 14957 days ago · 4 km deep · 47 km away
  22. 2.041 km SW of Ferndale, California · 14956 days ago · 23 km deep · 4 km away
  23. 3.337 km SW of Ferndale, California · 14954 days ago · 25 km deep · 5 km away
  24. 2.625 km SE of Blue Lake, California · 14948 days ago · 53 km deep · 81 km away
  25. 2.312 km SW of Scotia, California · 14947 days ago · 6 km deep · 36 km away
  26. 3.622 km WNW of Indianola, California · 14942 days ago · 21 km deep · 41 km away
  27. 3.122 km WSW of Weott, California · 14941 days ago · 13 km deep · 43 km away
  28. 3.073 km WSW of Ferndale, California · 14941 days ago · 12 km deep · 40 km away
  29. 2.98 km WNW of McKinleyville, California · 14938 days ago · 18 km deep · 76 km away
  30. 2.719 km WNW of Indianola, California · 14936 days ago · 20 km deep · 44 km away
  31. 2.360 km W of Indianola, California · 14930 days ago · 4 km deep · 51 km away
  32. 2.235 km SSW of Ferndale, California · 14930 days ago · 18 km deep · 18 km away
  33. 1.734 km NW of Shelter Cove, California · 14930 days ago · 4 km deep · 26 km away
  34. 4.175 km WNW of Ferndale, California · 14928 days ago · 2 km deep · 61 km away
  35. 2.52 km NNE of Humboldt Hill, California · 14928 days ago · 19 km deep · 56 km away
  36. 2.29 km WNW of Ferndale, California · 14927 days ago · 11 km deep · 34 km away

Before

  1. 2.654 km SW of Ferndale, California · 14987 days ago · 7 km deep · 17 km away
  2. 2.837 km SW of Ferndale, California · 14990 days ago · 21 km deep · 11 km away
  3. 2.938 km SW of Ferndale, California · 14991 days ago · 19 km deep · 8 km away
  4. 1.620 km W of Hyampom, California · 14992 days ago · 18 km deep · 82 km away
  5. 1.622 km W of Hyampom, California · 14992 days ago · 4 km deep · 80 km away
  6. 2.121 km W of Hyampom, California · 14992 days ago · 22 km deep · 84 km away
  7. 2.529 km SW of Ferndale, California · 14992 days ago · 16 km deep · 8 km away
  8. 2.58 km SE of Alderpoint, California · 14992 days ago · 3 km deep · 95 km away
  9. 2.59 km SSW of Hyampom, California · 14993 days ago · 5 km deep · 96 km away
  10. 2.024 km WSW of Ferndale, California · 14995 days ago · 26 km deep · 14 km away
  11. 3.722 km NW of Mad River, California · 14995 days ago · 23 km deep · 80 km away
  12. 2.4near the coast of Northern California · 14996 days ago · 13 km deep · 28 km away
  13. 1.925 km SSW of Scotia, California · 14998 days ago · 7 km deep · 35 km away
  14. 2.419 km SSE of Blue Lake, California · 14999 days ago · 24 km deep · 74 km away
  15. 2.599 km W of Indianola, California · 15000 days ago · 5 km deep · 84 km away
  16. 2.644 km WSW of Ferndale, California · 15001 days ago · 17 km deep · 8 km away
  17. 2.028 km SSW of Ferndale, California · 15002 days ago · 13 km deep · 17 km away
  18. 2.111 km WNW of Hyampom, California · 15003 days ago · 20 km deep · 93 km away
  19. 2.336 km SW of Ferndale, California · 15005 days ago · 20 km deep · 13 km away
  20. 1.935 km SW of Ferndale, California · 15007 days ago · 12 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc54962 (also filed as usp0002jp5). Read Tue, Sep 22, 2026, 9:33 PM UTC.