Washington earthquakes

M1.9 earthquake 4 km NNW of Seattle, Washington

A magnitude 1.9 earthquake struck 4 km NNW of Seattle, Washington on Wed, Aug 23, 2006, 11:53 PM PDT (06:53 UTC), 28 km (18 mi) below the surface.

A larger quake followed: M2.7 3 km ENE of Maplewood, Washington. This one was a foreshock.

Greenwood 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
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2006-08-24 06:53:31 UTC
Depth
28.4 km (17.6 mi), shallow
Epicenter
47.650° N, 122.345° 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 0.7 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
40°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.72 km SW of Three Lakes, Washington · 7344 days ago · 30 km deep · 39 km away
  2. 1.66 km E of Wilkeson, Washington · 7344 days ago · 15 km deep · 67 km away
  3. 2.44 km E of Issaquah, Washington · 7342 days ago · 18 km deep · 30 km away
  4. 1.711 km NE of Ashford, Washington · 7341 days ago · 7 km deep · 95 km away
  5. 1.70 km NE of Medina, Washington · 7339 days ago · 20 km deep · 10 km away
  6. 1.722 km ENE of Ashford, Washington · 7338 days ago · -2 km deep · 99 km away
  7. 1.612 km NNE of Ashford, Washington · 7333 days ago · 6 km deep · 91 km away
  8. 2.54 km E of Cathcart, Washington · 7333 days ago · 26 km deep · 32 km away
  9. 1.55 km ESE of Clear Lake, Washington · 7332 days ago · -1 km deep · 90 km away
  10. 2.14 km WSW of Wilderness Rim, Washington · 7331 days ago · 18 km deep · 47 km away
  11. 1.65 km WNW of Lake Cavanaugh, Washington · 7329 days ago · -1 km deep · 80 km away
  12. 1.518 km SSE of Carbonado, Washington · 7329 days ago · 4 km deep · 86 km away
  13. 1.817 km SSE of Carbonado, Washington · 7323 days ago · 11 km deep · 85 km away
  14. 1.57 km N of Greenwater, Washington · 7320 days ago · 11 km deep · 72 km away
  15. 2.18 km NNE of Lake Marcel-Stillwater, Washington · 7318 days ago · 3 km deep · 38 km away
  16. 1.92 km ESE of Fall City, Washington · 7317 days ago · 23 km deep · 38 km away
  17. 1.61 km SW of Fall City, Washington · 7315 days ago · 72 km deep · 35 km away
  18. 2.23 km SE of Dash Point, Washington · 7314 days ago · 29 km deep · 39 km away
  19. 1.63 km ESE of Oso, Washington · 7314 days ago · 13 km deep · 75 km away
  20. 2.30 km W of Auburn, Washington · 7309 days ago · 20 km deep · 39 km away
  21. 1.90 km NW of Auburn, Washington · 7308 days ago · 21 km deep · 38 km away
  22. 2.511 km NNE of May Creek, Washington · 7307 days ago · 8 km deep · 66 km away
  23. 1.916 km S of Skykomish, Washington · 7307 days ago · 9 km deep · 72 km away
  24. 1.63 km SE of Oso, Washington · 7306 days ago · 13 km deep · 75 km away
  25. 2.73 km ENE of Maplewood, Washington · 7305 days ago · 54 km deep · 29 km away
  26. 1.66 km NE of Snoqualmie, Washington · 7298 days ago · 10 km deep · 45 km away
  27. 1.613 km NNE of Hoodsport, Washington · 7297 days ago · 47 km deep · 58 km away
  28. 1.86 km SSE of Monroe, Washington · 7297 days ago · 23 km deep · 34 km away
  29. 2.31 km ENE of Yarrow Point, Washington · 7294 days ago · 26 km deep · 11 km away
  30. 1.84 km WSW of Lake Cavanaugh, Washington · 7292 days ago · 13 km deep · 76 km away
  31. 1.63 km NW of Duvall, Washington · 7291 days ago · -1 km deep · 28 km away

Before

  1. 1.75 km NNE of Lake Marcel-Stillwater, Washington · 7345 days ago · 6 km deep · 36 km away
  2. 1.80 km ENE of Granite Falls, Washington · 7354 days ago · -1 km deep · 57 km away
  3. 1.63 km ENE of Oak Harbor, Washington · 7354 days ago · 21 km deep · 75 km away
  4. 2.12 km W of Belfair, Washington · 7359 days ago · 5 km deep · 45 km away
  5. 1.65 km SSW of Black Diamond, Washington · 7359 days ago · 13 km deep · 50 km away
  6. 2.117 km SSE of Carbonado, Washington · 7360 days ago · 10 km deep · 85 km away
  7. 1.60 km N of Prairie Ridge, Washington · 7362 days ago · 14 km deep · 58 km away
  8. 1.67 km ENE of Snoqualmie, Washington · 7364 days ago · 12 km deep · 46 km away
  9. 2.01 km ENE of Granite Falls, Washington · 7365 days ago · -1 km deep · 57 km away
  10. 1.717 km SSE of Carbonado, Washington · 7366 days ago · 11 km deep · 85 km away
  11. 1.915 km NE of Ashford, Washington · 7366 days ago · 9 km deep · 93 km away
  12. 2.915 km NE of Ashford, Washington · 7366 days ago · 9 km deep · 93 km away
  13. 1.617 km SSE of Carbonado, Washington · 7367 days ago · 10 km deep · 84 km away
  14. 1.717 km SSE of Carbonado, Washington · 7368 days ago · 11 km deep · 84 km away
  15. 2.517 km SSE of Carbonado, Washington · 7368 days ago · 11 km deep · 84 km away
  16. 2.418 km SSE of Carbonado, Washington · 7368 days ago · 7 km deep · 85 km away
  17. 1.84 km SE of Issaquah, Washington · 7369 days ago · 17 km deep · 31 km away
  18. 1.54 km SSW of Mount Vernon, Washington · 7369 days ago · 3 km deep · 82 km away
  19. 2.617 km SSE of Carbonado, Washington · 7369 days ago · 8 km deep · 85 km away
  20. 2.817 km SSE of Carbonado, Washington · 7370 days ago · 9 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10705833. Read Sat, Oct 3, 2026, 1:04 PM UTC.