California earthquakes

M2.1 earthquake 92 km WSW of Ferndale, California

A magnitude 2.1 earthquake struck 92 km WSW of Ferndale, California on Wed, Mar 5, 1986, 9:21 PM PST (05:21 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.8 36 km SSW 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
2.1 (md), micro
Local time
UTC
1986-03-06 05:21:55 UTC
Depth
4.1 km (2.5 mi), shallow
Epicenter
40.161° N, 125.214° 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 8.3 km horizontally, 7.2 km in depth
Depth from
From location
Station coverage gap
344°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 3.836 km SSW of Ferndale, California · 14809 days ago · -1 km deep · 66 km away
  2. 3.057 km WSW of Ferndale, California · 14809 days ago · 4 km deep · 37 km away
  3. 3.337 km WSW of Ferndale, California · 14808 days ago · 22 km deep · 56 km away
  4. 2.339 km WSW of Ferndale, California · 14808 days ago · 15 km deep · 54 km away
  5. 3.6near the coast of Northern California · 14806 days ago · 20 km deep · 72 km away
  6. 3.1near the coast of Northern California · 14806 days ago · 11 km deep · 66 km away
  7. 3.995 km W of Ferndale, California · 14805 days ago · 8 km deep · 34 km away
  8. 2.027 km SSW of Ferndale, California · 14797 days ago · 15 km deep · 72 km away
  9. 3.588 km WNW of Indianola, California · 14796 days ago · 5 km deep · 86 km away
  10. 2.932 km SSW of Ferndale, California · 14792 days ago · 4 km deep · 69 km away
  11. 2.132 km SSW of Ferndale, California · 14786 days ago · 6 km deep · 69 km away
  12. 3.235 km SW of Scotia, California · 14785 days ago · 22 km deep · 69 km away
  13. 3.036 km SW of Scotia, California · 14785 days ago · 2 km deep · 68 km away
  14. 2.431 km SW of Scotia, California · 14784 days ago · 24 km deep · 74 km away
  15. 2.475 km WNW of Samoa, California · 14782 days ago · 4 km deep · 93 km away
  16. 3.119 km WSW of Scotia, California · 14778 days ago · 22 km deep · 82 km away
  17. 2.294 km W of Ferndale, California · 14777 days ago · 5 km deep · 35 km away
  18. 4.474 km WSW of Ferndale, California · 14771 days ago · 4 km deep · 27 km away
  19. 3.251 km SW of Ferndale, California · 14771 days ago · 11 km deep · 45 km away
  20. 2.531 km SW of Scotia, California · 14771 days ago · 5 km deep · 72 km away
  21. 2.012 km WNW of Fields Landing, California · 14771 days ago · 15 km deep · 99 km away
  22. 3.564 km W of Ferndale, California · 14770 days ago · 0 km deep · 38 km away
  23. 2.238 km WSW of Ferndale, California · 14770 days ago · 24 km deep · 54 km away
  24. 2.25 km SSW of Ferndale, California · 14769 days ago · 8 km deep · 89 km away
  25. 1.923 km WSW of Ferndale, California · 14765 days ago · 26 km deep · 70 km away
  26. 2.522 km WSW of Ferndale, California · 14765 days ago · 26 km deep · 70 km away
  27. 2.029 km W of Ferndale, California · 14765 days ago · 25 km deep · 67 km away
  28. 1.930 km SW of Scotia, California · 14764 days ago · 1 km deep · 72 km away
  29. 2.635 km SSW of Ferndale, California · 14761 days ago · 21 km deep · 64 km away
  30. 2.024 km W of Ferndale, California · 14760 days ago · 24 km deep · 72 km away
  31. 2.545 km SW of Ferndale, California · 14759 days ago · 22 km deep · 48 km away
  32. 3.923 km WNW of Indianola, California · 14755 days ago · 23 km deep · 88 km away

Before

  1. 3.850 km SW of Ferndale, California · 14813 days ago · 4 km deep · 48 km away
  2. 2.450 km WSW of Ferndale, California · 14813 days ago · 5 km deep · 42 km away
  3. 1.618 km WSW of Weott, California · 14814 days ago · 3 km deep · 94 km away
  4. 2.59 km WSW of Rio Dell, California · 14815 days ago · 26 km deep · 92 km away
  5. 2.98 km WSW of Rio Dell, California · 14815 days ago · 26 km deep · 92 km away
  6. 3.534 km W of Ferndale, California · 14817 days ago · 12 km deep · 65 km away
  7. 2.328 km SSW of Ferndale, California · 14821 days ago · 20 km deep · 69 km away
  8. 4.046 km WNW of Ferndale, California · 14826 days ago · 1 km deep · 71 km away
  9. 2.439 km WSW of Ferndale, California · 14836 days ago · 14 km deep · 55 km away
  10. 1.71 km S of Loleta, California · 14837 days ago · 4 km deep · 98 km away
  11. 1.87 km SSW of Scotia, California · 14839 days ago · 5 km deep · 97 km away
  12. 3.537 km W of Ferndale, California · 14839 days ago · 17 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10084166. Read Tue, Sep 22, 2026, 10:33 PM UTC.