Washington earthquakes

M1.7 earthquake 4 km NNE of Brinnon, Washington

A magnitude 1.7 earthquake struck 4 km NNE of Brinnon, Washington on Wed, Sep 22, 1982, 10:09 PM PDT (05:09 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M1.8 7 km NW of Kingston, Washington. This one was a foreshock.

Brinnon forecastMore in Washington

Map

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

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The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1982-09-23 05:09:25 UTC
Depth
47.8 km (29.7 mi), shallow
Epicenter
47.714° N, 122.870° 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 0.6 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
56°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.87 km NW of Kingston, Washington · 16069 days ago · 19 km deep · 28 km away
  2. 2.18 km SSE of Victoria, Canada · 16064 days ago · -1 km deep · 79 km away
  3. 2.05 km WNW of Gorst, Washington · 16061 days ago · 18 km deep · 21 km away
  4. 1.71 km S of Erlands Point-Kitsap Lake, Washington · 16061 days ago · 19 km deep · 19 km away
  5. 3.02 km W of Manchester, Washington · 16049 days ago · 27 km deep · 28 km away
  6. 1.65 km ENE of Fall City, Washington · 16049 days ago · 15 km deep · 80 km away
  7. 1.76 km SSW of Wilderness Rim, Washington · 16046 days ago · 19 km deep · 88 km away
  8. 2.04 km N of Woods Creek, Washington · 16045 days ago · 15 km deep · 75 km away
  9. 2.01 km ENE of Keyport, Washington · 16044 days ago · 21 km deep · 20 km away
  10. 2.014 km N of May Creek, Washington · 16041 days ago · -1 km deep · 97 km away
  11. 2.14 km ESE of Lake Roesiger, Washington · 16040 days ago · 17 km deep · 79 km away
  12. 1.98 km ENE of Manchester, Washington · 16037 days ago · 18 km deep · 36 km away
  13. 1.84 km SE of Port Ludlow, Washington · 16036 days ago · 18 km deep · 27 km away
  14. 1.50 km SSW of Fall City, Washington · 16034 days ago · 6 km deep · 75 km away
  15. 1.74 km ENE of Southworth, Washington · 16033 days ago · 17 km deep · 38 km away
  16. 2.520 km NW of Hoodsport, Washington · 16032 days ago · 45 km deep · 37 km away
  17. 1.75 km ESE of Carnation, Washington · 16028 days ago · -1 km deep · 77 km away
  18. 1.97 km SE of Wilderness Rim, Washington · 16027 days ago · -1 km deep · 94 km away
  19. 1.72 km NE of Keyport, Washington · 16026 days ago · 19 km deep · 20 km away
  20. 1.97 km NE of North Bend, Washington · 16023 days ago · -1 km deep · 87 km away
  21. 2.84 km NNE of Tracyton, Washington · 16021 days ago · 24 km deep · 20 km away
  22. 1.84 km ESE of Lake Roesiger, Washington · 16020 days ago · 17 km deep · 79 km away
  23. 2.38 km SE of Wilderness Rim, Washington · 16020 days ago · -1 km deep · 95 km away
  24. 1.61 km NNW of Port Orchard, Washington · 16019 days ago · 23 km deep · 25 km away
  25. 2.23 km ESE of Lake Marcel-Stillwater, Washington · 16018 days ago · 9 km deep · 75 km away
  26. 1.62 km NW of Mountlake Terrace, Washington · 16012 days ago · 19 km deep · 42 km away

Before

  1. 1.90 km N of Lakeland South, Washington · 16073 days ago · 7 km deep · 65 km away
  2. 1.54 km NNE of Cathan, Washington · 16076 days ago · 18 km deep · 67 km away
  3. 2.92 km NE of Union Hill-Novelty Hill, Washington · 16079 days ago · 5 km deep · 65 km away
  4. 2.03 km WSW of Mercer Island, Washington · 16082 days ago · 21 km deep · 48 km away
  5. 2.18 km SE of Camano, Washington · 16083 days ago · 26 km deep · 54 km away
  6. 1.91 km S of Sammamish, Washington · 16085 days ago · 11 km deep · 60 km away
  7. 1.79 km ESE of Orcas, Washington · 16086 days ago · 54 km deep · 95 km away
  8. 2.11 km S of Sammamish, Washington · 16086 days ago · 12 km deep · 60 km away
  9. 1.96 km W of Shelton, Washington · 16087 days ago · 40 km deep · 60 km away
  10. 1.74 km E of Granite Falls, Washington · 16093 days ago · -1 km deep · 83 km away
  11. 1.71 km NE of Shoreline, Washington · 16094 days ago · 24 km deep · 41 km away
  12. 2.05 km N of Friday Harbor, Washington · 16094 days ago · 6 km deep · 97 km away
  13. 1.91 km WNW of Orcas, Washington · 16094 days ago · 12 km deep · 99 km away
  14. 1.61 km ENE of Bangor Trident Base, Washington · 16101 days ago · 13 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10146148. Read Wed, Sep 23, 2026, 1:31 PM UTC.