Washington earthquakes

M1.7 earthquake 5 km SW of Mount Vernon, Washington

A magnitude 1.7 earthquake struck 5 km SW of Mount Vernon, Washington on Tue, Dec 27, 1983, 5:40 AM PST (13:40 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.8 3 km N of Bainbridge Island, Washington. This one was a foreshock.

Mount Vernon 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
1.7 (md), micro
Local time
UTC
1983-12-27 13:40:22 UTC
Depth
17.9 km (11.1 mi), shallow
Epicenter
48.392° N, 122.391° 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 0.9 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
165°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 2.83 km N of Bainbridge Island, Washington · 15603 days ago · 18 km deep · 82 km away
  2. 2.43 km ESE of Blaine, Washington · 15601 days ago · 19 km deep · 70 km away
  3. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 15601 days ago · -1 km deep · 79 km away
  4. 2.02 km SW of Hamilton, Washington · 15600 days ago · -1 km deep · 31 km away
  5. 1.57 km SSE of Quilcene, Washington · 15599 days ago · 50 km deep · 77 km away
  6. 1.81 km WNW of Lake Forest Park, Washington · 15599 days ago · 16 km deep · 70 km away
  7. 1.54 km NE of Granite Falls, Washington · 15597 days ago · 12 km deep · 47 km away
  8. 1.83 km N of Bainbridge Island, Washington · 15596 days ago · 18 km deep · 82 km away
  9. 2.38 km WNW of Friday Harbor, Washington · 15587 days ago · 51 km deep · 58 km away
  10. 2.16 km WSW of Swede Heaven, Washington · 15586 days ago · -1 km deep · 45 km away
  11. 1.63 km NNW of Gorst, Washington · 15583 days ago · 14 km deep · 97 km away
  12. 2.31 km SSW of Navy Yard City, Washington · 15581 days ago · 21 km deep · 97 km away
  13. 1.65 km NNE of Lake Roesiger, Washington · 15580 days ago · 15 km deep · 55 km away
  14. 1.81 km ESE of Enetai, Washington · 15576 days ago · 29 km deep · 92 km away
  15. 1.818 km ESE of Darrington, Washington · 15574 days ago · 10 km deep · 79 km away
  16. 1.74 km WSW of Erlands Point-Kitsap Lake, Washington · 15572 days ago · 13 km deep · 94 km away
  17. 1.90 km SE of Clyde Hill, Washington · 15569 days ago · 19 km deep · 86 km away
  18. 1.912 km WNW of Langford, Canada · 15567 days ago · 24 km deep · 94 km away
  19. 2.23 km NNW of Metchosin, Canada · 15561 days ago · 15 km deep · 85 km away
  20. 2.37 km SSE of Sultan, Washington · 15560 days ago · 4 km deep · 79 km away
  21. 2.03 km SW of Duvall, Washington · 15559 days ago · 8 km deep · 80 km away
  22. 1.84 km WNW of Everett, Washington · 15556 days ago · 17 km deep · 46 km away
  23. 2.29 km SSW of Brinnon, Washington · 15552 days ago · 46 km deep · 97 km away
  24. 1.93 km E of Newcastle, Washington · 15552 days ago · 18 km deep · 97 km away

Before

  1. 2.22 km NNE of Redmond, Washington · 15610 days ago · 15 km deep · 80 km away
  2. 2.417 km NE of May Creek, Washington · 15610 days ago · 4 km deep · 78 km away
  3. 1.84 km E of Granite Falls, Washington · 15619 days ago · -1 km deep · 49 km away
  4. 1.61 km SW of Bay View, Washington · 15621 days ago · 16 km deep · 12 km away
  5. 1.62 km SSW of Bay View, Washington · 15621 days ago · 18 km deep · 11 km away
  6. 1.54 km NE of Conway, Washington · 15625 days ago · 5 km deep · 7 km away
  7. 1.80 km NNE of Ferndale, Washington · 15626 days ago · 19 km deep · 53 km away
  8. 2.31 km E of Clyde Hill, Washington · 15632 days ago · 24 km deep · 86 km away
  9. 1.55 km N of Sedro-Woolley, Washington · 15634 days ago · -1 km deep · 22 km away
  10. 1.72 km N of Deming, Washington · 15635 days ago · 21 km deep · 52 km away
  11. 2.22 km NW of Deming, Washington · 15636 days ago · 1 km deep · 51 km away
  12. 2.3Washington · 15636 days ago · 19 km deep · 12 km away
  13. 2.17 km SSW of La Conner, Washington · 15637 days ago · 17 km deep · 12 km away
  14. 1.51 km NE of Quilcene, Washington · 15638 days ago · 4 km deep · 71 km away
  15. 1.67 km S of River Road, Washington · 15638 days ago · 0 km deep · 71 km away
  16. 1.98 km NNE of Lake Marcel-Stillwater, Washington · 15638 days ago · -1 km deep · 80 km away
  17. 2.210 km ENE of Verlot, Washington · 15638 days ago · 13 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10173068. Read Tue, Sep 22, 2026, 4:16 PM UTC.