Washington earthquakes

M1.5 earthquake 4 km ESE of Oso, Washington

A magnitude 1.5 earthquake struck 4 km ESE of Oso, Washington on Thu, Dec 15, 2005, 8:37 PM PST (04:37 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.3 4 km SW of Clinton, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2005-12-16 04:37:18 UTC
Depth
11.7 km (7.3 mi), shallow
Epicenter
48.249° N, 121.882° 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, 1.3 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
84°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.111 km SSE of Skykomish, Washington · 7593 days ago · 4 km deep · 82 km away
  2. 1.93 km WSW of North Bend, Washington · 7587 days ago · 20 km deep · 85 km away
  3. 2.310 km S of Sultan, Washington · 7586 days ago · 12 km deep · 54 km away
  4. 2.56 km S of Kendall, Washington · 7584 days ago · 1 km deep · 71 km away
  5. 1.90 km NNE of Vashon, Washington · 7559 days ago · 59 km deep · 98 km away
  6. 1.80 km NNE of Granite Falls, Washington · 7558 days ago · -1 km deep · 19 km away
  7. 2.43 km E of Deming, Washington · 7556 days ago · 0 km deep · 67 km away
  8. 1.84 km ENE of Deming, Washington · 7555 days ago · 1 km deep · 69 km away
  9. 1.72 km S of Deming, Washington · 7555 days ago · 19 km deep · 66 km away
  10. 2.09 km NE of Lake Marcel-Stillwater, Washington · 7553 days ago · 4 km deep · 54 km away
  11. 3.34 km SW of Clinton, Washington · 7548 days ago · 33 km deep · 51 km away · felt by 938
  12. 2.53 km SW of Clinton, Washington · 7545 days ago · 33 km deep · 50 km away
  13. 1.52 km E of Granite Falls, Washington · 7542 days ago · -1 km deep · 18 km away
  14. 2.92 km SW of North Bend, WA · 7541 days ago · 8 km deep · 86 km away
  15. 2.92 km SSW of North Bend, Washington · 7539 days ago · 7 km deep · 87 km away

Before

  1. 1.53 km NE of Lake Roesiger, Washington · 7597 days ago · 12 km deep · 26 km away
  2. 1.63 km NE of Lake Roesiger, Washington · 7597 days ago · 14 km deep · 27 km away
  3. 1.83 km NNE of Lake Roesiger, Washington · 7597 days ago · 14 km deep · 26 km away
  4. 2.31 km WNW of Issaquah, Washington · 7598 days ago · 18 km deep · 81 km away
  5. 1.519 km NNW of Jamestown, Washington · 7598 days ago · 25 km deep · 94 km away
  6. 1.55 km WSW of Darrington, Washington · 7603 days ago · 7 km deep · 16 km away
  7. 2.65 km ENE of Deming, Washington · 7603 days ago · 1 km deep · 69 km away
  8. 1.81 km NNE of Bellevue, Washington · 7604 days ago · 29 km deep · 73 km away
  9. 2.16 km WSW of Darrington, Washington · 7607 days ago · 8 km deep · 16 km away
  10. 2.35 km S of Kendall, Washington · 7608 days ago · 0 km deep · 71 km away
  11. 1.97 km ENE of Acme, Washington · 7611 days ago · 2 km deep · 58 km away
  12. 2.05 km WSW of Wilderness Rim, Washington · 7614 days ago · 20 km deep · 90 km away
  13. 1.83 km ESE of Snohomish, Washington · 7616 days ago · 26 km deep · 41 km away
  14. 1.752 km NE of Skykomish, Washington · 7619 days ago · 7 km deep · 73 km away
  15. 4.06 km ENE of Deming, Washington · 7619 days ago · -1 km deep · 70 km away · felt by 112
  16. 1.94 km W of Shoreline, Washington · 7620 days ago · 26 km deep · 67 km away
  17. 1.86 km SW of Wilderness Rim, Washington · 7622 days ago · 20 km deep · 94 km away
  18. 1.65 km E of Lake McMurray, Washington · 7626 days ago · 3 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10685183. Read Sat, Oct 3, 2026, 8:35 PM UTC.