Washington earthquakes

M1.8 earthquake 5 km ESE of Oso, Washington

A magnitude 1.8 earthquake struck 5 km ESE of Oso, Washington on Mon, Jul 5, 2004, 4:48 AM PDT (11:48 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.5 7 km NW of Quilcene, Washington. This one was a foreshock.

Swede Heaven 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
2004-07-05 11:48:30 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
48.257° N, 121.862° 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 1.1 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
70°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.611 km N of Quilcene, Washington · 8121 days ago · 27 km deep · 85 km away
  2. 2.26 km NNW of North Sultan, Washington · 8119 days ago · 16 km deep · 36 km away
  3. 2.18 km SSW of Anacortes, Washington · 8115 days ago · 23 km deep · 62 km away
  4. 1.73 km SSE of Carnation, Washington · 8112 days ago · 19 km deep · 71 km away
  5. 1.72 km NNW of White Center, Washington · 8111 days ago · 23 km deep · 88 km away
  6. 2.22 km NNW of Mill Creek, Washington · 8110 days ago · 24 km deep · 50 km away
  7. 1.61 km N of Darrington, Washington · 8100 days ago · 11 km deep · 19 km away
  8. 1.516 km SW of Baring, Washington · 8099 days ago · 15 km deep · 69 km away
  9. 1.63 km ESE of Oso, Washington · 8098 days ago · 13 km deep · 2 km away
  10. 2.57 km NW of Quilcene, Washington · 8094 days ago · 18 km deep · 92 km away
  11. 2.04 km W of Fall City, Washington · 8089 days ago · 1 km deep · 76 km away
  12. 1.51 km W of Silvana, Washington · 8089 days ago · 7 km deep · 31 km away
  13. 2.34 km E of Klahanie, Washington · 8089 days ago · 2 km deep · 77 km away
  14. 1.614 km SSW of Chilliwack, Canada · 8089 days ago · -1 km deep · 89 km away
  15. 2.318 km E of Verlot, Washington · 8086 days ago · 4 km deep · 32 km away
  16. 1.51 km NE of Lyman, Washington · 8086 days ago · 1 km deep · 34 km away
  17. 1.60 km NW of Enetai, Washington · 8085 days ago · 26 km deep · 93 km away
  18. 1.62 km ESE of Klahanie, Washington · 8082 days ago · 5 km deep · 77 km away
  19. 2.03 km NE of Wilburton, Washington · 8081 days ago · 24 km deep · 73 km away
  20. 1.75 km SE of Hobart, Washington · 8081 days ago · 1 km deep · 97 km away
  21. 1.86 km W of Orcas, Washington · 8080 days ago · 13 km deep · 94 km away
  22. 1.73 km NNW of Sumas, Washington · 8079 days ago · 0 km deep · 91 km away
  23. 1.65 km SSE of Swede Heaven, Washington · 8079 days ago · 9 km deep · 13 km away
  24. 1.91 km WNW of Swede Heaven, Washington · 8078 days ago · 7 km deep · 9 km away
  25. 2.12 km E of Edmonds, Washington · 8078 days ago · 31 km deep · 61 km away
  26. 1.63 km WSW of White Center, Washington · 8077 days ago · 20 km deep · 93 km away
  27. 1.54 km NE of Anacortes, Washington · 8075 days ago · 16 km deep · 62 km away
  28. 2.44 km NNE of Anacortes, Washington · 8075 days ago · 15 km deep · 62 km away
  29. 2.03 km NE of Anacortes, Washington · 8075 days ago · 17 km deep · 62 km away
  30. 1.5Washington · 8075 days ago · 7 km deep · 61 km away
  31. 1.7British Columbia, Canada · 8072 days ago · 1 km deep · 87 km away
  32. 1.51 km NNW of Silvana, Washington · 8070 days ago · 8 km deep · 30 km away

Before

  1. 2.110 km NNE of Snoqualmie, Washington · 8126 days ago · 14 km deep · 73 km away
  2. 2.02 km N of Maple Valley, Washington · 8130 days ago · 6 km deep · 95 km away
  3. 2.01 km N of Big Lake, Washington · 8131 days ago · 1 km deep · 33 km away
  4. 2.21 km N of Big Lake, Washington · 8132 days ago · -1 km deep · 34 km away
  5. 2.84 km NNE of Anacortes, Washington · 8135 days ago · 19 km deep · 63 km away
  6. 1.66 km S of Wilderness Rim, Washington · 8135 days ago · 18 km deep · 97 km away
  7. 1.910 km NE of Verlot, Washington · 8141 days ago · 7 km deep · 17 km away
  8. 1.66 km NE of Verlot, Washington · 8141 days ago · 6 km deep · 17 km away
  9. 1.810 km NNE of Concrete, Washington · 8147 days ago · 0 km deep · 43 km away
  10. 2.812 km NNE of Concrete, Washington · 8148 days ago · -1 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10606473. Read Fri, Oct 2, 2026, 11:40 AM UTC.