Washington earthquakes

M3.2 earthquake 20 km NNE of Jamestown, Washington

A magnitude 3.2 earthquake struck 20 km NNE of Jamestown, Washington on Mon, Oct 4, 1971, 11:45 AM PDT (18:45 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M3.4 33 km ESE of Forks, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.2 (Md, duration), minor
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1971-10-04 18:45:19 UTC
Depth
23.2 km (14.4 mi), shallow
Epicenter
48.285° N, 122.950° 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 7.7 km horizontally, 3.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
311°, 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: 13 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.112 km NW of Port Townsend, Washington · 20079 days ago · 28 km deep · 11 km away
  2. 2.42 km WSW of Suquamish, Washington · 20074 days ago · 18 km deep · 68 km away
  3. 2.81 km ENE of Keyport, Washington · 20070 days ago · 21 km deep · 69 km away
  4. 1.80 km ENE of Beaux Arts Village, Washington · 20068 days ago · 21 km deep · 96 km away
  5. 2.30 km NE of Beaux Arts Village, Washington · 20064 days ago · 20 km deep · 96 km away
  6. 3.05 km N of Bangor Trident Base, Washington · 20062 days ago · 54 km deep · 59 km away
  7. 2.413 km NW of Ault Field, Washington · 20060 days ago · 31 km deep · 18 km away
  8. 3.11 km ESE of Swede Heaven, Washington · 20048 days ago · 9 km deep · 92 km away
  9. 2.80 km ESE of Mukilteo, Washington · 20044 days ago · 62 km deep · 61 km away
  10. 1.60 km NW of Wilburton, Washington · 20039 days ago · 19 km deep · 94 km away
  11. 1.51 km SW of Mountlake Terrace, Washington · 20039 days ago · 27 km deep · 73 km away
  12. 3.433 km ESE of Forks, Washington · 20031 days ago · 39 km deep · 92 km away
  13. 2.529 km ESE of Forks, Washington · 20031 days ago · 47 km deep · 90 km away

Before

  1. 1.80 km NE of Beaux Arts Village, Washington · 20087 days ago · 20 km deep · 96 km away
  2. 2.30 km NE of Mercer Island, Washington · 20087 days ago · 20 km deep · 96 km away
  3. 1.70 km NNE of Beaux Arts Village, Washington · 20088 days ago · 20 km deep · 95 km away
  4. 3.09 km E of Oak Bay, Canada · 20097 days ago · 30 km deep · 24 km away
  5. 1.94 km NNE of Seattle, Washington · 20101 days ago · 19 km deep · 85 km away
  6. 1.510 km NW of Brinnon, Washington · 20101 days ago · -1 km deep · 60 km away
  7. 2.30 km NW of Beaux Arts Village, Washington · 20111 days ago · 21 km deep · 95 km away
  8. 2.01 km NNE of Mercer Island, Washington · 20111 days ago · 20 km deep · 95 km away
  9. 3.50 km ESE of Mercer Island, Washington · 20111 days ago · 20 km deep · 97 km away
  10. 2.75 km NE of Woods Creek, Washington · 20113 days ago · 18 km deep · 91 km away
  11. 2.25 km E of Coupeville, Washington · 20114 days ago · 4 km deep · 27 km away
  12. 2.618 km N of Jamestown, Washington · 20116 days ago · 49 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10839863. Read Fri, Oct 2, 2026, 4:21 AM UTC.