Washington earthquakes

M1.7 earthquake 0 km SSW of Oso, Washington

A magnitude 1.7 earthquake struck 0 km SSW of Oso, Washington on Mon, Aug 8, 2005, 7:40 AM PDT (14:40 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.9 4 km WSW of Quilcene, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2005-08-08 14:40:58 UTC
Depth
13.0 km (8.1 mi), shallow
Epicenter
48.267° N, 121.931° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
70°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.217 km ESE of Glacier, Washington · 7724 days ago · 34 km deep · 61 km away
  2. 1.55 km SW of Coupeville, Washington · 7723 days ago · 16 km deep · 61 km away
  3. 2.13 km S of Geneva, Washington · 7716 days ago · 15 km deep · 61 km away
  4. 2.17 km ENE of Lake Roesiger, WA · 7711 days ago · 12 km deep · 28 km away
  5. 2.16 km NE of Duvall, Washington · 7707 days ago · 20 km deep · 54 km away
  6. 1.65 km ENE of Anacortes, Washington · 7707 days ago · 16 km deep · 54 km away
  7. 2.56 km WSW of Darrington, Washington · 7707 days ago · 8 km deep · 20 km away
  8. 2.17 km ENE of Quilcene, Washington · 7704 days ago · 22 km deep · 78 km away
  9. 2.02 km ENE of Granite Falls, Washington · 7704 days ago · -1 km deep · 20 km away
  10. 1.73 km SSE of Kingsgate, Washington · 7702 days ago · 2 km deep · 65 km away
  11. 1.84 km SW of Mirrormont, Washington · 7702 days ago · 20 km deep · 93 km away
  12. 1.50 km SW of Maple Valley, Washington · 7701 days ago · 4 km deep · 98 km away
  13. 1.81 km W of Maple Valley, Washington · 7701 days ago · 7 km deep · 98 km away
  14. 1.52 km W of Maple Valley, Washington · 7700 days ago · 7 km deep · 98 km away
  15. 1.74 km S of La Conner, Washington · 7697 days ago · 18 km deep · 42 km away
  16. 1.82 km ENE of Granite Falls, Washington · 7696 days ago · -1 km deep · 20 km away
  17. 1.51 km NNW of Maple Valley, Washington · 7694 days ago · 7 km deep · 97 km away
  18. 1.72 km SW of Erlands Point-Kitsap Lake, Washington · 7691 days ago · 19 km deep · 97 km away
  19. 2.94 km WSW of Quilcene, Washington · 7689 days ago · 49 km deep · 90 km away
  20. 1.512 km NE of Snoqualmie, Washington · 7681 days ago · 6 km deep · 75 km away
  21. 1.65 km WSW of Snoqualmie, Washington · 7679 days ago · 8 km deep · 85 km away
  22. 1.89 km E of Deming, Washington · 7669 days ago · 12 km deep · 62 km away

Before

  1. 1.59 km NNW of Orcas, Washington · 7727 days ago · 14 km deep · 91 km away
  2. 1.65 km SE of Oso, Washington · 7728 days ago · 13 km deep · 6 km away
  3. 1.521 km NNE of Concrete, Washington · 7729 days ago · 0 km deep · 55 km away
  4. 2.015 km SE of Glacier, Washington · 7731 days ago · 26 km deep · 58 km away
  5. 1.64 km NE of Lake Roesiger, Washington · 7733 days ago · 15 km deep · 29 km away
  6. 2.32 km SSE of Big Lake, Washington · 7737 days ago · 14 km deep · 26 km away
  7. 1.84 km WSW of Mount Vernon, Washington · 7740 days ago · 18 km deep · 37 km away
  8. 1.62 km ESE of Issaquah, Washington · 7744 days ago · 15 km deep · 83 km away
  9. 1.911 km E of Marblemount, Washington · 7749 days ago · 0 km deep · 55 km away
  10. 1.720 km SSE of Glacier, Washington · 7749 days ago · 20 km deep · 53 km away
  11. 1.59 km SSW of Port Hadlock-Irondale, Washington · 7753 days ago · 15 km deep · 76 km away
  12. 1.77 km SSE of Acme, Washington · 7754 days ago · 3 km deep · 46 km away
  13. 2.47 km ESE of Oso, Washington · 7754 days ago · 10 km deep · 7 km away
  14. 1.716 km E of Lake Marcel-Stillwater, Washington · 7755 days ago · 16 km deep · 65 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10676128. Read Fri, Oct 2, 2026, 4:04 PM UTC.