California earthquakes

M3.1 earthquake 177 km W of Ferndale, California

A magnitude 3.1 earthquake struck 177 km W of Ferndale, California on Sun, Jun 6, 1982, 1:29 PM PDT (20:29 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 140 km W 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
3.1 (md), minor
Local time
UTC
1982-06-06 20:29:59 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
40.708° N, 126.353° 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 10.5 km horizontally, 14.4 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
317°, poorly surrounded by stations
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.398 km WSW of Ferndale, California · 16179 days ago · 5 km deep · 90 km away
  2. 2.0110 km W of Ferndale, California · 16176 days ago · 4 km deep · 76 km away
  3. 2.2102 km W of Ferndale, California · 16166 days ago · 4 km deep · 83 km away
  4. 3.4126 km W of Ferndale, California · 16164 days ago · 59 km deep · 55 km away
  5. 2.178 km W of Ferndale, California · 16161 days ago · 5 km deep · 99 km away
  6. 2.1192 km W of Ferndale, California · 16157 days ago · 5 km deep · 49 km away
  7. 2.7143 km W of Ferndale, California · 16157 days ago · 5 km deep · 44 km away
  8. 3.3166 km W of Ferndale, California · 16153 days ago · 4 km deep · 20 km away
  9. 3.399 km W of Ferndale, California · 16143 days ago · 8 km deep · 82 km away
  10. 2.7115 km W of Ferndale, California · 16138 days ago · 5 km deep · 70 km away
  11. 3.5140 km W of Ferndale, California · 16138 days ago · 12 km deep · 43 km away
  12. 2.982 km W of Ferndale, California · 16136 days ago · 6 km deep · 95 km away
  13. 2.6114 km W of Ferndale, California · 16131 days ago · 5 km deep · 63 km away

Before

  1. 3.194 km W of Ferndale, California · 16204 days ago · 22 km deep · 89 km away
  2. 2.396 km WSW of Ferndale, California · 16207 days ago · 5 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1075124. Read Wed, Sep 30, 2026, 6:49 AM UTC.