California earthquakes

M2.6 earthquake 44 km WSW of Ferndale, California

A magnitude 2.6 earthquake struck 44 km WSW of Ferndale, California on Tue, Aug 27, 1985, 8:23 AM PDT (15:23 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M3.7 22 km NW of Mad River, 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
2.6 (md), micro
Local time
UTC
1985-08-27 15:23:43 UTC
Depth
17.0 km (10.6 mi), shallow
Epicenter
40.369° N, 124.710° 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 6.8 km horizontally, 2.7 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
276°, 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: 39 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.599 km W of Indianola, California · 15000 days ago · 5 km deep · 79 km away
  2. 2.419 km SSE of Blue Lake, California · 14998 days ago · 24 km deep · 81 km away
  3. 1.925 km SSW of Scotia, California · 14997 days ago · 7 km deep · 42 km away
  4. 2.4near the coast of Northern California · 14996 days ago · 13 km deep · 34 km away
  5. 3.722 km NW of Mad River, California · 14995 days ago · 23 km deep · 87 km away
  6. 2.024 km WSW of Ferndale, California · 14995 days ago · 26 km deep · 20 km away
  7. 2.529 km SW of Ferndale, California · 14992 days ago · 16 km deep · 15 km away
  8. 2.121 km W of Hyampom, California · 14992 days ago · 22 km deep · 91 km away
  9. 1.622 km W of Hyampom, California · 14992 days ago · 4 km deep · 87 km away
  10. 1.620 km W of Hyampom, California · 14991 days ago · 18 km deep · 90 km away
  11. 2.938 km SW of Ferndale, California · 14991 days ago · 19 km deep · 14 km away
  12. 2.837 km SW of Ferndale, California · 14990 days ago · 21 km deep · 17 km away
  13. 2.654 km SW of Ferndale, California · 14986 days ago · 7 km deep · 12 km away
  14. 3.337 km SW of Ferndale, California · 14986 days ago · 2 km deep · 8 km away
  15. 1.71 km SW of Redway, California · 14977 days ago · 19 km deep · 80 km away
  16. 3.656 km WSW of Ferndale, California · 14976 days ago · 7 km deep · 14 km away
  17. 2.210 km SW of Scotia, California · 14972 days ago · 12 km deep · 46 km away
  18. 1.648 km SW of Ferndale, California · 14971 days ago · 3 km deep · 6 km away
  19. 2.04 km NE of Hydesville, California · 14971 days ago · 25 km deep · 60 km away
  20. 1.831 km SSW of Ferndale, California · 14969 days ago · 4 km deep · 24 km away
  21. 2.979 km WSW of Ferndale, California · 14969 days ago · 4 km deep · 39 km away
  22. 2.541 km WSW of Ferndale, California · 14968 days ago · 16 km deep · 13 km away
  23. 1.84 km N of Hydesville, California · 14968 days ago · 19 km deep · 57 km away
  24. 1.619 km SSW of Ferndale, California · 14968 days ago · 26 km deep · 31 km away
  25. 1.818 km SSW of Ferndale, California · 14968 days ago · 26 km deep · 31 km away
  26. 1.835 km WSW of Ferndale, California · 14968 days ago · 25 km deep · 9 km away
  27. 2.14 km ESE of Fortuna, California · 14963 days ago · 22 km deep · 57 km away
  28. 1.722 km WSW of Weott, California · 14963 days ago · 9 km deep · 47 km away
  29. 2.221 km WSW of Ferndale, California · 14962 days ago · 22 km deep · 22 km away
  30. 2.422 km NW of Mad River, California · 14962 days ago · 23 km deep · 87 km away
  31. 1.925 km SW of Ferndale, California · 14962 days ago · 27 km deep · 21 km away
  32. 3.528 km SW of Ferndale, California · 14962 days ago · 16 km deep · 21 km away
  33. 3.066 km WSW of Ferndale, California · 14959 days ago · 3 km deep · 23 km away
  34. 2.720 km SW of Weott, California · 14956 days ago · 4 km deep · 54 km away
  35. 2.041 km SW of Ferndale, California · 14956 days ago · 23 km deep · 4 km away
  36. 3.337 km SW of Ferndale, California · 14954 days ago · 25 km deep · 11 km away
  37. 2.625 km SE of Blue Lake, California · 14948 days ago · 53 km deep · 88 km away
  38. 2.312 km SW of Scotia, California · 14946 days ago · 6 km deep · 43 km away
  39. 3.622 km WNW of Indianola, California · 14942 days ago · 21 km deep · 44 km away

Before

  1. 2.028 km SSW of Ferndale, California · 15002 days ago · 13 km deep · 25 km away
  2. 2.336 km SW of Ferndale, California · 15004 days ago · 20 km deep · 19 km away
  3. 1.935 km SW of Ferndale, California · 15007 days ago · 12 km deep · 19 km away
  4. 2.146 km W of Ferndale, California · 15007 days ago · 21 km deep · 16 km away
  5. 2.126 km SW of Scotia, California · 15011 days ago · 10 km deep · 30 km away
  6. 1.923 km SW of Scotia, California · 15014 days ago · 8 km deep · 33 km away
  7. 1.69 km SW of Alderpoint, California · 15019 days ago · 22 km deep · 92 km away
  8. 2.779 km W of Ferndale, California · 15020 days ago · 3 km deep · 43 km away
  9. 1.77 km ENE of Redcrest, California · 15028 days ago · 23 km deep · 72 km away
  10. 2.820 km ENE of Hydesville, California · 15029 days ago · 21 km deep · 75 km away
  11. 2.680 km WSW of Ferndale, California · 15029 days ago · 4 km deep · 39 km away
  12. 4.281 km WSW of Ferndale, California · 15029 days ago · 4 km deep · 42 km away
  13. 3.418 km W of Big Lagoon, California · 15030 days ago · -1 km deep · 92 km away
  14. 2.627 km SSW of Ferndale, California · 15030 days ago · 15 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc55322. Read Tue, Sep 22, 2026, 4:05 PM UTC.