M3.4 earthquake 33 km ESE of Forks, Washington
A magnitude 3.4 earthquake struck 33 km ESE of Forks, Washington on Sun, Nov 28, 1971, 10:52 AM PST (18:52 UTC), 39 km (24 mi) below the surface.
A larger quake followed: M3.6 3 km NNW of Satsop, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (md), minor
- Local time
- UTC
- 1971-11-28 18:52:41 UTC
- Depth
- 38.9 km (24.2 mi), shallow
- Epicenter
- 47.821° N, 123.975° W
- Region
- Washington
- 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 0.1 km horizontally, 0.0 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 288°, poorly surrounded by stations
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 0 in the 30 days before it.
After
- 2.529 km ESE of Forks, Washington · 20022 days ago · 47 km deep · 8 km away
- 2.26 km S of Seabeck, Washington · 20012 days ago · 21 km deep · 90 km away
- 3.63 km NNW of Satsop, Washington · 20007 days ago · 27 km deep · 94 km away
- 1.89 km W of Belfair, Washington · 19999 days ago · 1 km deep · 87 km away
- 3.49 km NNW of Belfair, Washington · 19998 days ago · 17 km deep · 89 km away
- 2.24 km W of Chico, Washington · 19993 days ago · 21 km deep · 93 km away
- 1.74 km W of Chico, Washington · 19993 days ago · 20 km deep · 93 km away
- 3.21 km W of Chico, Washington · 19990 days ago · 12 km deep · 96 km away
- 2.34 km WSW of Shelton, Washington · 19985 days ago · 15 km deep · 92 km away
- 2.87 km NW of Belfair, Washington · 19975 days ago · 23 km deep · 88 km away
- 2.619 km NNE of Amanda Park, Washington · 19964 days ago · 39 km deep · 25 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10852103. Read Tue, Sep 22, 2026, 8:41 AM UTC.