California earthquakes

M2.5 earthquake 66 km WSW of Ferndale, California

A magnitude 2.5 earthquake struck 66 km WSW of Ferndale, California on Thu, Jan 10, 1985, 9:22 AM PST (17:22 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.9 60 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
2.5 (md), micro
Local time
UTC
1985-01-10 17:22:16 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
40.277° N, 124.947° 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 4.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.01
Depth from
From location
Station coverage gap
297°, poorly surrounded by stations
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.960 km WSW of Ferndale, California · 15228 days ago · 0 km deep · 15 km away
  2. 2.125 km SSW of Ferndale, California · 15228 days ago · 14 km deep · 50 km away
  3. 2.436 km SSW of Ferndale, California · 15227 days ago · 20 km deep · 40 km away
  4. 2.439 km SW of Ferndale, California · 15225 days ago · 4 km deep · 32 km away
  5. 3.879 km WNW of Ferndale, California · 15225 days ago · 2 km deep · 56 km away
  6. 2.872 km WSW of Ferndale, California · 15224 days ago · 4 km deep · 16 km away
  7. 2.23 km WSW of Loleta, California · 15221 days ago · 16 km deep · 70 km away
  8. 2.936 km SSW of Ferndale, California · 15221 days ago · 7 km deep · 43 km away
  9. 1.74 km WNW of Fields Landing, California · 15221 days ago · 7 km deep · 78 km away
  10. 2.136 km WSW of Ferndale, California · 15221 days ago · 22 km deep · 33 km away
  11. 2.743 km SW of Ferndale, California · 15219 days ago · 20 km deep · 26 km away
  12. 2.0near the coast of Northern California · 15217 days ago · 1 km deep · 83 km away
  13. 2.1near the coast of Northern California · 15217 days ago · 2 km deep · 83 km away
  14. 2.328 km SW of Ferndale, California · 15214 days ago · 28 km deep · 39 km away
  15. 2.423 km WSW of Weott, California · 15214 days ago · 10 km deep · 66 km away
  16. 2.222 km WNW of Ferndale, California · 15213 days ago · 14 km deep · 57 km away
  17. 3.052 km WSW of Ferndale, California · 15212 days ago · 10 km deep · 15 km away
  18. 2.465 km WSW of Ferndale, California · 15212 days ago · 14 km deep · 2 km away
  19. 1.68 km WSW of Scotia, California · 15212 days ago · 5 km deep · 67 km away
  20. 2.647 km W of Ferndale, California · 15209 days ago · 0 km deep · 29 km away
  21. 3.543 km WSW of Ferndale, California · 15209 days ago · 15 km deep · 24 km away
  22. 3.438 km SW of Ferndale, California · 15207 days ago · 19 km deep · 34 km away
  23. 3.3112 km W of Ferndale, California · 15206 days ago · 12 km deep · 55 km away
  24. 3.293 km WSW of Ferndale, California · 15205 days ago · 21 km deep · 35 km away
  25. 2.659 km WSW of Ferndale, California · 15204 days ago · 10 km deep · 8 km away
  26. 2.945 km WSW of Ferndale, California · 15203 days ago · 22 km deep · 22 km away
  27. 2.612 km SSW of Scotia, California · 15203 days ago · 29 km deep · 70 km away
  28. 2.728 km SW of Ferndale, California · 15202 days ago · 21 km deep · 40 km away
  29. 1.619 km WSW of Ferndale, California · 15194 days ago · -1 km deep · 48 km away
  30. 3.0109 km W of Ferndale, California · 15193 days ago · 5 km deep · 66 km away
  31. 2.07 km WSW of Samoa, California · 15190 days ago · 4 km deep · 81 km away
  32. 2.951 km SW of Ferndale, California · 15189 days ago · 13 km deep · 16 km away
  33. 3.529 km SW of Scotia, California · 15187 days ago · 9 km deep · 51 km away
  34. 2.514 km SW of Ferndale, California · 15187 days ago · 26 km deep · 52 km away
  35. 2.853 km WNW of Ferndale, California · 15186 days ago · 41 km deep · 50 km away
  36. 2.228 km SW of Scotia, California · 15185 days ago · 10 km deep · 51 km away
  37. 1.726 km SW of Scotia, California · 15185 days ago · 3 km deep · 53 km away
  38. 2.126 km SW of Scotia, California · 15185 days ago · 5 km deep · 53 km away
  39. 2.532 km SW of Ferndale, California · 15185 days ago · 11 km deep · 35 km away
  40. 1.529 km SW of Scotia, California · 15185 days ago · 2 km deep · 51 km away
  41. 2.63 km ESE of Scotia, California · 15178 days ago · 18 km deep · 78 km away

Before

  1. 4.094 km W of Ferndale, California · 15234 days ago · 15 km deep · 41 km away
  2. 1.89 km S of Ferndale, California · 15238 days ago · 18 km deep · 61 km away
  3. 3.644 km W of Ferndale, California · 15240 days ago · 4 km deep · 29 km away
  4. 1.933 km SSW of Ferndale, California · 15241 days ago · 8 km deep · 45 km away
  5. 2.664 km WSW of Ferndale, California · 15244 days ago · 5 km deep · 17 km away
  6. 1.70 km ENE of Fields Landing, California · 15244 days ago · 5 km deep · 80 km away
  7. 2.3105 km W of Ferndale, California · 15244 days ago · 5 km deep · 49 km away
  8. 2.753 km WNW of Samoa, California · 15244 days ago · 2 km deep · 72 km away
  9. 2.222 km WNW of Fields Landing, California · 15245 days ago · 24 km deep · 69 km away
  10. 1.816 km SSW of Scotia, California · 15246 days ago · 11 km deep · 69 km away
  11. 1.87 km S of Ferndale, California · 15250 days ago · 7 km deep · 62 km away
  12. 3.58 km SSW of Ferndale, California · 15250 days ago · 8 km deep · 61 km away
  13. 2.237 km SW of Ferndale, California · 15251 days ago · 19 km deep · 34 km away
  14. 2.852 km WSW of Ferndale, California · 15252 days ago · 23 km deep · 15 km away
  15. 1.812 km SW of Scotia, California · 15254 days ago · 19 km deep · 64 km away
  16. 2.316 km NE of Redcrest, California · 15254 days ago · 5 km deep · 99 km away
  17. 3.134 km WSW of Ferndale, California · 15257 days ago · 21 km deep · 32 km away
  18. 2.315 km SW of Scotia, California · 15259 days ago · 28 km deep · 62 km away
  19. 1.90 km WNW of Manila, California · 15260 days ago · 25 km deep · 92 km away
  20. 2.679 km WSW of Ferndale, California · 15260 days ago · 5 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc40605. Read Tue, Sep 22, 2026, 8:47 PM UTC.