Washington earthquakes

M1.5 earthquake 1 km SE of Burlington, Washington

A magnitude 1.5 earthquake struck 1 km SE of Burlington, Washington on Wed, Apr 20, 2005, 1:52 AM PDT (08:52 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M2.6 7 km ENE of Lake Roesiger, Washington. This one was a foreshock.

Burlington 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2005-04-20 08:52:28 UTC
Depth
19.7 km (12.3 mi), shallow
Epicenter
48.464° N, 122.313° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
67°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.17 km ENE of Carnation, Washington · 7834 days ago · 17 km deep · 96 km away
  2. 2.39 km WNW of Port Townsend, Washington · 7824 days ago · 52 km deep · 54 km away
  3. 1.5Washington · 7823 days ago · 11 km deep · 46 km away
  4. 1.55 km SSW of Sudden Valley, Washington · 7816 days ago · 14 km deep · 24 km away
  5. 1.73 km N of Bangor Trident Base, Washington · 7816 days ago · 19 km deep · 84 km away
  6. 2.67 km ENE of Lake Roesiger, Washington · 7812 days ago · 17 km deep · 61 km away
  7. 2.66 km WSW of Camano, Washington · 7807 days ago · 27 km deep · 41 km away
  8. 1.76 km ENE of Marrowstone, Washington · 7798 days ago · 28 km deep · 49 km away
  9. 1.65 km NW of Sedro-Woolley, Washington · 7793 days ago · 11 km deep · 8 km away
  10. 1.55 km NW of Sedro-Woolley, Washington · 7793 days ago · 13 km deep · 8 km away
  11. 1.86 km NNE of Lake Marcel-Stillwater, Washington · 7790 days ago · 3 km deep · 86 km away
  12. 1.72 km NNE of Kirkland, Washington · 7790 days ago · 17 km deep · 85 km away
  13. 1.95 km NW of Kingston, Washington · 7781 days ago · 23 km deep · 71 km away
  14. 1.61 km E of Clyde Hill, Washington · 7777 days ago · 29 km deep · 93 km away
  15. 1.78 km ENE of Lake Roesiger, Washington · 7776 days ago · 16 km deep · 62 km away
  16. 1.89 km NNE of Lake Marcel-Stillwater, Washington · 7776 days ago · 2 km deep · 84 km away

Before

  1. 1.93 km E of Sedro-Woolley, Washington · 7836 days ago · 2 km deep · 10 km away
  2. 2.37 km ENE of Carnation, Washington · 7836 days ago · 17 km deep · 96 km away
  3. 1.94 km SSW of Lake McMurray, Washington · 7838 days ago · 8 km deep · 22 km away
  4. 1.73 km NW of Kingston, Washington · 7843 days ago · 26 km deep · 73 km away
  5. 1.65 km ESE of Oso, Washington · 7846 days ago · 9 km deep · 41 km away
  6. 1.64 km SE of Oso, Washington · 7847 days ago · 13 km deep · 40 km away
  7. 2.03 km W of Coupeville, Washington · 7849 days ago · 19 km deep · 41 km away
  8. 2.13 km W of Freeland, Washington · 7851 days ago · 62 km deep · 54 km away
  9. 1.51 km NW of Lake Stickney, Washington · 7860 days ago · 21 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10669523. Read Fri, Oct 2, 2026, 2:02 PM UTC.