Washington earthquakes

M2.2 earthquake 8 km W of Brinnon, Washington

A magnitude 2.2 earthquake struck 8 km W of Brinnon, Washington on Sun, Aug 12, 1984, 4:54 AM PDT (11:54 UTC), 46 km (28 mi) below the surface.

A larger quake followed: M3.0 6 km SW of Camano, 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
2.2 (md), micro
Local time
UTC
1984-08-12 11:54:37 UTC
Depth
45.7 km (28.4 mi), shallow
Epicenter
47.677° N, 123.017° 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 1.0 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
48°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.75 km NW of Dash Point, Washington · 15379 days ago · 8 km deep · 54 km away
  2. 1.54 km W of Fall City, Washington · 15379 days ago · 6 km deep · 81 km away
  3. 1.57 km SW of Camano, Washington · 15377 days ago · 28 km deep · 59 km away
  4. 1.52 km NW of Kingston, Washington · 15377 days ago · 52 km deep · 41 km away
  5. 1.72 km SW of Wilderness Rim, Washington · 15374 days ago · 19 km deep · 96 km away
  6. 1.811 km ESE of Black Diamond, Washington · 15374 days ago · 12 km deep · 98 km away
  7. 1.611 km SSW of Port Angeles East, Washington · 15374 days ago · 38 km deep · 48 km away
  8. 1.94 km WSW of Monroe, Washington · 15371 days ago · -1 km deep · 77 km away
  9. 1.53 km SW of Wilderness Rim, Washington · 15371 days ago · 17 km deep · 95 km away
  10. 1.65 km W of Burley, Washington · 15371 days ago · 22 km deep · 37 km away
  11. 1.93 km SSW of Vashon, Washington · 15368 days ago · 19 km deep · 49 km away
  12. 1.78 km NNW of Belfair, Washington · 15367 days ago · 18 km deep · 21 km away
  13. 2.28 km NNW of Ault Field, Washington · 15365 days ago · 50 km deep · 85 km away
  14. 1.62 km NNW of La Conner, Washington · 15364 days ago · 17 km deep · 90 km away
  15. 1.56 km ENE of Allyn, Washington · 15362 days ago · 8 km deep · 36 km away
  16. 2.21 km NW of White Center, Washington · 15358 days ago · 22 km deep · 51 km away
  17. 1.74 km NE of Woods Creek, Washington · 15358 days ago · -1 km deep · 90 km away
  18. 2.22 km SW of Roosevelt, Washington · 15357 days ago · 17 km deep · 77 km away
  19. 1.71 km N of Lake Ketchum, Washington · 15356 days ago · 15 km deep · 85 km away
  20. 1.93 km WNW of Bryant, Washington · 15351 days ago · 19 km deep · 89 km away
  21. 3.06 km SW of Camano, Washington · 15344 days ago · 2 km deep · 61 km away
  22. 1.72 km E of Sammamish, Washington · 15344 days ago · 11 km deep · 72 km away
  23. 1.81 km ESE of Clyde Hill, Washington · 15344 days ago · 0 km deep · 62 km away
  24. 2.70 km NE of Boulevard Park, Washington · 15342 days ago · 26 km deep · 57 km away
  25. 2.39 km WNW of Belfair, Washington · 15341 days ago · 14 km deep · 22 km away
  26. 2.16 km SSW of Sultan, Washington · 15340 days ago · 9 km deep · 89 km away
  27. 2.13 km S of South Prairie, Washington · 15338 days ago · 7 km deep · 93 km away
  28. 1.67 km WNW of Lofall, Washington · 15336 days ago · 51 km deep · 26 km away
  29. 1.56 km S of Bell Hill, Washington · 15336 days ago · -1 km deep · 36 km away
  30. 1.71 km N of Bay View, Washington · 15335 days ago · 14 km deep · 100 km away
  31. 1.53 km ESE of Woods Creek, Washington · 15329 days ago · 11 km deep · 89 km away
  32. 1.84 km W of Gorst, Washington · 15327 days ago · 2 km deep · 26 km away
  33. 1.53 km ENE of Woods Creek, Washington · 15324 days ago · 5 km deep · 90 km away
  34. 1.53 km SSW of Erlands Point-Kitsap Lake, Washington · 15323 days ago · -1 km deep · 26 km away
  35. 2.33 km N of Bryant, Washington · 15322 days ago · 15 km deep · 92 km away

Before

  1. 1.51 km WNW of Redmond, Washington · 15381 days ago · 23 km deep · 66 km away
  2. 1.8Puget Sound region, Washington · 15382 days ago · 18 km deep · 57 km away
  3. 2.019 km W of Ault Field, Washington · 15383 days ago · 17 km deep · 76 km away
  4. 1.74 km W of Langford, Canada · 15385 days ago · 3 km deep · 96 km away
  5. 1.92 km NW of Lakeland South, Washington · 15385 days ago · 9 km deep · 68 km away
  6. 2.03 km NNW of White Center, Washington · 15386 days ago · 8 km deep · 51 km away
  7. 2.115 km S of Port Angeles East, Washington · 15387 days ago · 38 km deep · 40 km away
  8. 1.65 km SW of Mount Vernon, Washington · 15387 days ago · 7 km deep · 92 km away
  9. 1.85 km WSW of Mount Vernon, Washington · 15389 days ago · 6 km deep · 93 km away
  10. 1.53 km NW of Jamestown, Washington · 15390 days ago · 45 km deep · 53 km away
  11. 1.74 km ENE of Granite Falls, Washington · 15391 days ago · -1 km deep · 95 km away
  12. 2.02 km SSW of Machias, Washington · 15391 days ago · 11 km deep · 78 km away
  13. 2.24 km WNW of Fall City, Washington · 15394 days ago · -1 km deep · 81 km away
  14. 1.51 km N of Fall City, Washington · 15394 days ago · 0 km deep · 85 km away
  15. 2.76 km WSW of Shoreline, Washington · 15400 days ago · 21 km deep · 45 km away
  16. 2.16 km S of Wilderness Rim, Washington · 15402 days ago · 18 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10179273. Read Tue, Sep 22, 2026, 11:35 AM UTC.