Washington earthquakes

M2.3 earthquake 1 km N of Seabeck, Washington

A magnitude 2.3 earthquake struck 1 km N of Seabeck, Washington on Tue, Aug 2, 1983, 2:39 AM PDT (09:39 UTC), 48 km (30 mi) below the surface.

A larger quake followed: M3.1 7 km ENE of Tanner, Washington. This one was a foreshock.

Seabeck 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
2.3 (md), micro
Local time
UTC
1983-08-02 09:39:15 UTC
Depth
47.8 km (29.7 mi), shallow
Epicenter
47.652° N, 122.826° 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, 0.8 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
42°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.11 km ENE of Clyde Hill, Washington · 15757 days ago · 24 km deep · 47 km away
  2. 1.812 km ESE of McCleary, Washington · 15757 days ago · 5 km deep · 73 km away
  3. 1.76 km WNW of La Conner, Washington · 15755 days ago · 22 km deep · 87 km away
  4. 1.75 km WSW of Coupeville, Washington · 15755 days ago · 20 km deep · 61 km away
  5. 1.54 km W of Coupeville, Washington · 15753 days ago · 17 km deep · 63 km away
  6. 1.6Puget Sound region, Washington · 15750 days ago · 7 km deep · 48 km away
  7. 3.17 km ENE of Tanner, Washington · 15748 days ago · 12 km deep · 90 km away
  8. 2.02 km WSW of Burley, Washington · 15746 days ago · 19 km deep · 30 km away
  9. 2.26 km WNW of Wauna, Washington · 15740 days ago · 22 km deep · 29 km away
  10. 2.26 km WNW of Wauna, Washington · 15740 days ago · 24 km deep · 28 km away
  11. 2.711 km WNW of Coupeville, Washington · 15740 days ago · 8 km deep · 68 km away
  12. 1.73 km ENE of Granite Falls, Washington · 15732 days ago · -1 km deep · 83 km away
  13. 3.911 km W of Port Ludlow, Washington · 15731 days ago · 51 km deep · 31 km away
  14. 2.62 km SSE of Tulalip Bay, Washington · 15731 days ago · 14 km deep · 57 km away
  15. 2.53 km SE of Bangor Trident Base, Washington · 15728 days ago · 19 km deep · 12 km away
  16. 2.03 km NNE of Camano, Washington · 15727 days ago · 23 km deep · 66 km away
  17. 1.91 km WNW of Federal Way, Washington · 15726 days ago · 16 km deep · 52 km away
  18. 1.55 km W of Coupeville, Washington · 15725 days ago · 17 km deep · 62 km away
  19. 1.82 km W of Coupeville, Washington · 15724 days ago · 23 km deep · 63 km away
  20. 2.65 km SSW of Hansville, Washington · 15724 days ago · 22 km deep · 31 km away
  21. 1.95 km WNW of Tumwater, Washington · 15722 days ago · -1 km deep · 71 km away
  22. 1.81 km WNW of Lake Roesiger, Washington · 15718 days ago · 13 km deep · 76 km away
  23. 2.05 km W of Coupeville, Washington · 15715 days ago · 22 km deep · 64 km away
  24. 2.211 km ESE of Carbonado, Washington · 15714 days ago · 18 km deep · 97 km away
  25. 1.91 km NNE of Lake Roesiger, Washington · 15714 days ago · 11 km deep · 77 km away
  26. 1.82 km E of Granite Falls, Washington · 15712 days ago · -1 km deep · 82 km away
  27. 1.712 km NE of Snoqualmie, Washington · 15702 days ago · 12 km deep · 82 km away
  28. 2.72 km W of Rosedale, Washington · 15699 days ago · 27 km deep · 37 km away
  29. 1.61 km N of Normandy Park, Washington · 15699 days ago · 17 km deep · 43 km away

Before

  1. 1.82 km SSW of Browns Point, Washington · 15760 days ago · 8 km deep · 50 km away
  2. 1.62 km WSW of Wilderness Rim, Washington · 15761 days ago · 19 km deep · 81 km away
  3. 2.03 km SW of Chico, Washington · 15761 days ago · 14 km deep · 9 km away
  4. 1.64 km S of Monroe, Washington · 15762 days ago · -1 km deep · 67 km away
  5. 2.110 km ENE of Lake Marcel-Stillwater, Washington · 15766 days ago · 17 km deep · 78 km away
  6. 2.25 km SE of Klahanie, Washington · 15767 days ago · 14 km deep · 66 km away
  7. 1.67 km NW of Belfair, Washington · 15769 days ago · 20 km deep · 17 km away
  8. 1.87 km SSE of Verlot, Washington · 15772 days ago · -1 km deep · 92 km away
  9. 2.54 km NNW of Verlot, Washington · 15777 days ago · 14 km deep · 92 km away
  10. 2.31 km NW of Hoodsport, Washington · 15778 days ago · 44 km deep · 36 km away
  11. 1.82 km ESE of Maltby, Washington · 15779 days ago · 22 km deep · 58 km away
  12. 1.72 km SSE of Browns Point, Washington · 15780 days ago · 3 km deep · 51 km away
  13. 1.84 km NNE of Fall City, Washington · 15780 days ago · 2 km deep · 72 km away
  14. 2.00 km WSW of Port Ludlow, Washington · 15780 days ago · 55 km deep · 32 km away
  15. 2.45 km W of Brinnon, Washington · 15782 days ago · 47 km deep · 12 km away
  16. 1.95 km ENE of Verlot, Washington · 15784 days ago · 13 km deep · 98 km away
  17. 1.51 km NNW of Belfair, Washington · 15785 days ago · 24 km deep · 21 km away
  18. 1.89 km S of Anacortes, Washington · 15786 days ago · 21 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10156463. Read Tue, Sep 22, 2026, 3:56 PM UTC.