California earthquakes

M3.0 earthquake 109 km W of Ferndale, California

A magnitude 3.0 earthquake struck 109 km W of Ferndale, California on Sat, Feb 16, 1985, 4:05 PM PST (00:05 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 43 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
3.0 (md), minor
Local time
UTC
1985-02-17 00:05:26 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
40.647° N, 125.559° 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 14.2 km horizontally, 25.0 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
286°, poorly surrounded by stations
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.951 km SW of Ferndale, California · 15189 days ago · 13 km deep · 77 km away
  2. 2.514 km SW of Ferndale, California · 15186 days ago · 26 km deep · 99 km away
  3. 2.853 km WNW of Ferndale, California · 15186 days ago · 41 km deep · 59 km away
  4. 2.532 km SW of Ferndale, California · 15185 days ago · 11 km deep · 91 km away
  5. 2.761 km WSW of Ferndale, California · 15166 days ago · 25 km deep · 64 km away
  6. 2.312 km W of Indianola, California · 15163 days ago · 19 km deep · 99 km away
  7. 3.043 km SW of Ferndale, California · 15161 days ago · 18 km deep · 84 km away
  8. 2.932 km SW of Ferndale, California · 15160 days ago · 20 km deep · 95 km away
  9. 3.071 km W of Ferndale, California · 15152 days ago · 4 km deep · 38 km away
  10. 2.843 km SSW of Ferndale, California · 15150 days ago · 11 km deep · 97 km away
  11. 2.354 km W of Ferndale, California · 15146 days ago · 4 km deep · 57 km away
  12. 2.9122 km WSW of Ferndale, California · 15145 days ago · 4 km deep · 38 km away
  13. 3.543 km SW of Ferndale, California · 15144 days ago · 23 km deep · 80 km away
  14. 4.0114 km W of Ferndale, California · 15144 days ago · 5 km deep · 5 km away
  15. 2.237 km WSW of Ferndale, California · 15142 days ago · 25 km deep · 78 km away
  16. 3.089 km W of Ferndale, California · 15140 days ago · 35 km deep · 22 km away
  17. 3.837 km SSW of Ferndale, California · 15137 days ago · 15 km deep · 97 km away
  18. 3.442 km WSW of Ferndale, California · 15136 days ago · 15 km deep · 71 km away
  19. 3.441 km WSW of Ferndale, California · 15134 days ago · 18 km deep · 81 km away
  20. 2.431 km W of Ferndale, California · 15133 days ago · 17 km deep · 78 km away

Before

  1. 1.619 km WSW of Ferndale, California · 15194 days ago · -1 km deep · 92 km away
  2. 2.728 km SW of Ferndale, California · 15202 days ago · 21 km deep · 93 km away
  3. 2.945 km WSW of Ferndale, California · 15203 days ago · 22 km deep · 79 km away
  4. 2.659 km WSW of Ferndale, California · 15204 days ago · 10 km deep · 66 km away
  5. 3.293 km WSW of Ferndale, California · 15205 days ago · 21 km deep · 36 km away
  6. 3.3112 km W of Ferndale, California · 15206 days ago · 12 km deep · 26 km away
  7. 3.438 km SW of Ferndale, California · 15206 days ago · 19 km deep · 93 km away
  8. 3.543 km WSW of Ferndale, California · 15209 days ago · 15 km deep · 79 km away
  9. 2.647 km W of Ferndale, California · 15209 days ago · 0 km deep · 64 km away
  10. 2.465 km WSW of Ferndale, California · 15211 days ago · 14 km deep · 68 km away
  11. 3.052 km WSW of Ferndale, California · 15211 days ago · 10 km deep · 73 km away
  12. 2.222 km WNW of Ferndale, California · 15213 days ago · 14 km deep · 89 km away
  13. 2.328 km SW of Ferndale, California · 15214 days ago · 28 km deep · 92 km away
  14. 3.1114 km W of Big Lagoon, California · 15214 days ago · 4 km deep · 79 km away
  15. 2.743 km SW of Ferndale, California · 15219 days ago · 20 km deep · 85 km away
  16. 2.136 km WSW of Ferndale, California · 15220 days ago · 22 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc43906. Read Tue, Sep 22, 2026, 3:59 PM UTC.