Washington earthquakes

M1.8 earthquake 5 km SSE of Oso, Washington

A magnitude 1.8 earthquake struck 5 km SSE of Oso, Washington on Thu, Mar 22, 2007, 4:00 AM PDT (11:00 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.0 7 km SW of Geneva, Washington. This one was a foreshock.

Arlington Heights 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2007-03-22 11:00:01 UTC
Depth
11.8 km (7.3 mi), shallow
Epicenter
48.227° N, 121.904° 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, 1.0 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
62°
Stations used
16

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 4 in the 30 days before it.

After

  1. 1.512 km SSE of Skykomish, Washington · 7128 days ago · 8 km deep · 83 km away
  2. 3.07 km SW of Geneva, Washington · 7128 days ago · 12 km deep · 66 km away · felt by 74
  3. 1.66 km S of Bellingham, Washington · 7126 days ago · 16 km deep · 68 km away
  4. 1.85 km SW of Skykomish, Washington · 7116 days ago · 9 km deep · 72 km away
  5. 1.94 km SW of Skykomish, Washington · 7113 days ago · 8 km deep · 72 km away
  6. 2.85 km N of Peaceful Valley, Washington · 7112 days ago · 12 km deep · 87 km away
  7. 1.86 km ESE of Edison, Washington · 7112 days ago · 19 km deep · 48 km away
  8. 1.58 km WNW of Orcas, Washington · 7111 days ago · 12 km deep · 95 km away
  9. 2.36 km E of Deming, Washington · 7110 days ago · 11 km deep · 68 km away
  10. 1.70 km ENE of Granite Falls, Washington · 7109 days ago · -1 km deep · 16 km away
  11. 1.58 km E of Big Lake, Washington · 7105 days ago · 64 km deep · 26 km away
  12. 1.67 km ENE of Duvall, Washington · 7105 days ago · 6 km deep · 51 km away
  13. 1.92 km SSE of Hobart, Washington · 7104 days ago · 19 km deep · 92 km away
  14. 1.75 km SW of Skykomish, Washington · 7104 days ago · 11 km deep · 70 km away
  15. 1.68 km ENE of Deming, Washington · 7103 days ago · 15 km deep · 70 km away
  16. 2.15 km NE of Lofall, Washington · 7096 days ago · 27 km deep · 67 km away
  17. 1.52 km SW of Skykomish, Washington · 7093 days ago · 9 km deep · 70 km away
  18. 2.77 km SSE of Bellingham, Washington · 7092 days ago · 15 km deep · 67 km away
  19. 1.78 km SW of Geneva, Washington · 7092 days ago · 14 km deep · 65 km away
  20. 1.87 km SSE of Bellingham, Washington · 7092 days ago · 7 km deep · 67 km away
  21. 2.17 km SW of Geneva, Washington · 7091 days ago · 6 km deep · 66 km away
  22. 1.89 km SW of Friday Harbor, Washington · 7091 days ago · 28 km deep · 93 km away
  23. 2.16 km WSW of Darrington, Washington · 7088 days ago · 8 km deep · 17 km away
  24. 1.58 km SW of Darrington, Washington · 7087 days ago · 9 km deep · 16 km away
  25. 2.17 km WNW of Lake Cavanaugh, Washington · 7083 days ago · 0 km deep · 21 km away
  26. 1.86 km SSE of Kendall, Washington · 7082 days ago · 22 km deep · 72 km away
  27. 1.60 km ESE of Boulevard Park, Washington · 7082 days ago · 20 km deep · 88 km away
  28. 2.05 km WNW of Orcas, Washington · 7081 days ago · 14 km deep · 93 km away
  29. 2.211 km NE of Snoqualmie, Washington · 7080 days ago · 11 km deep · 71 km away
  30. 1.52 km NNE of Lake Roesiger, Washington · 7079 days ago · 13 km deep · 25 km away
  31. 2.10 km ENE of Boulevard Park, Washington · 7078 days ago · 31 km deep · 87 km away

Before

  1. 1.67 km NE of North Bend, Washington · 7144 days ago · 15 km deep · 78 km away
  2. 1.89 km SW of Darrington, Washington · 7152 days ago · 11 km deep · 16 km away
  3. 3.139 km W of Winthrop, Washington · 7157 days ago · 1 km deep · 92 km away
  4. 1.72 km SE of Des Moines, Washington · 7160 days ago · 2 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10716688. Read Sun, Oct 4, 2026, 7:39 AM UTC.