Washington earthquakes

M1.6 earthquake 7 km NW of Belfair, Washington

A magnitude 1.6 earthquake struck 7 km NW of Belfair, Washington on Thu, Jul 21, 1983, 8:55 AM PDT (15:55 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M2.2 5 km SE of Klahanie, Washington. This one was a foreshock.

Belfair 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
1.6 (md), micro
Local time
UTC
1983-07-21 15:55:25 UTC
Depth
20.4 km (12.7 mi), shallow
Epicenter
47.507° N, 122.892° 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 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
115°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.25 km SE of Klahanie, Washington · 15767 days ago · 14 km deep · 70 km away
  2. 2.110 km ENE of Lake Marcel-Stillwater, Washington · 15767 days ago · 17 km deep · 86 km away
  3. 1.64 km S of Monroe, Washington · 15762 days ago · -1 km deep · 77 km away
  4. 2.03 km SW of Chico, Washington · 15762 days ago · 14 km deep · 15 km away
  5. 1.62 km WSW of Wilderness Rim, Washington · 15761 days ago · 19 km deep · 82 km away
  6. 1.82 km SSW of Browns Point, Washington · 15760 days ago · 8 km deep · 42 km away
  7. 2.31 km N of Seabeck, Washington · 15757 days ago · 48 km deep · 17 km away
  8. 2.11 km ENE of Clyde Hill, Washington · 15757 days ago · 24 km deep · 54 km away
  9. 1.812 km ESE of McCleary, Washington · 15757 days ago · 5 km deep · 56 km away
  10. 1.75 km WSW of Coupeville, Washington · 15755 days ago · 20 km deep · 78 km away
  11. 1.54 km W of Coupeville, Washington · 15753 days ago · 17 km deep · 79 km away
  12. 1.6Puget Sound region, Washington · 15750 days ago · 7 km deep · 57 km away
  13. 3.17 km ENE of Tanner, Washington · 15748 days ago · 12 km deep · 93 km away
  14. 2.02 km WSW of Burley, Washington · 15746 days ago · 19 km deep · 21 km away
  15. 2.26 km WNW of Wauna, Washington · 15740 days ago · 22 km deep · 17 km away
  16. 2.26 km WNW of Wauna, Washington · 15740 days ago · 24 km deep · 17 km away
  17. 2.711 km WNW of Coupeville, Washington · 15740 days ago · 8 km deep · 85 km away
  18. 1.73 km ENE of Granite Falls, Washington · 15732 days ago · -1 km deep · 98 km away
  19. 3.911 km W of Port Ludlow, Washington · 15731 days ago · 51 km deep · 47 km away
  20. 2.62 km SSE of Tulalip Bay, Washington · 15731 days ago · 14 km deep · 73 km away
  21. 2.53 km SE of Bangor Trident Base, Washington · 15728 days ago · 19 km deep · 26 km away
  22. 2.03 km NNE of Camano, Washington · 15727 days ago · 23 km deep · 83 km away
  23. 1.91 km WNW of Federal Way, Washington · 15726 days ago · 16 km deep · 46 km away
  24. 1.55 km W of Coupeville, Washington · 15725 days ago · 17 km deep · 79 km away
  25. 1.82 km W of Coupeville, Washington · 15724 days ago · 23 km deep · 80 km away
  26. 2.65 km SSW of Hansville, Washington · 15724 days ago · 22 km deep · 47 km away
  27. 1.95 km WNW of Tumwater, Washington · 15722 days ago · -1 km deep · 54 km away
  28. 1.81 km WNW of Lake Roesiger, Washington · 15718 days ago · 13 km deep · 89 km away
  29. 2.05 km W of Coupeville, Washington · 15715 days ago · 22 km deep · 81 km away
  30. 2.211 km ESE of Carbonado, Washington · 15714 days ago · 18 km deep · 91 km away
  31. 1.91 km NNE of Lake Roesiger, Washington · 15714 days ago · 11 km deep · 91 km away
  32. 1.82 km E of Granite Falls, Washington · 15712 days ago · -1 km deep · 96 km away

Before

  1. 2.31 km NW of Hoodsport, Washington · 15778 days ago · 44 km deep · 22 km away
  2. 1.82 km ESE of Maltby, Washington · 15779 days ago · 22 km deep · 69 km away
  3. 1.72 km SSE of Browns Point, Washington · 15780 days ago · 3 km deep · 43 km away
  4. 1.84 km NNE of Fall City, Washington · 15780 days ago · 2 km deep · 78 km away
  5. 2.00 km WSW of Port Ludlow, Washington · 15780 days ago · 55 km deep · 48 km away
  6. 2.45 km W of Brinnon, Washington · 15783 days ago · 47 km deep · 20 km away
  7. 2.45 km ENE of Chehalis, Washington · 15784 days ago · 52 km deep · 92 km away
  8. 1.51 km NNW of Belfair, Washington · 15785 days ago · 24 km deep · 7 km away
  9. 2.32 km SE of Lake Marcel-Stillwater, Washington · 15789 days ago · 23 km deep · 78 km away
  10. 1.51 km ESE of Martha Lake, Washington · 15790 days ago · 20 km deep · 63 km away
  11. 2.07 km E of Carnation, Washington · 15791 days ago · 11 km deep · 82 km away
  12. 1.51 km E of Roosevelt, Washington · 15793 days ago · 18 km deep · 80 km away
  13. 2.04 km ENE of Hobart, Washington · 15794 days ago · -1 km deep · 74 km away
  14. 1.83 km S of Issaquah, Washington · 15798 days ago · -1 km deep · 65 km away
  15. 1.616 km SW of Alder, Washington · 15799 days ago · -1 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10161113. Read Tue, Sep 22, 2026, 7:46 PM UTC.