Washington earthquakes

M1.5 earthquake 6 km WNW of Belfair, Washington

A magnitude 1.5 earthquake struck 6 km WNW of Belfair, Washington on Wed, Jun 22, 1977, 2:39 PM PDT (21:39 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.0 11 km WSW of Porter, 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
1.5 (md), micro
Local time
UTC
1977-06-22 21:39:26 UTC
Depth
17.6 km (10.9 mi), shallow
Epicenter
47.474° N, 122.906° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
112°
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: 28 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 2.011 km WSW of Porter, Washington · 17989 days ago · 0 km deep · 76 km away
  2. 1.71 km NNE of Bonney Lake, Washington · 17987 days ago · 14 km deep · 63 km away
  3. 1.910 km WSW of Porter, Washington · 17980 days ago · 0 km deep · 76 km away
  4. 1.56 km NNE of Duvall, Washington · 17970 days ago · 24 km deep · 79 km away
  5. 2.710 km NE of Snoqualmie, Washington · 17969 days ago · 7 km deep · 90 km away
  6. 2.25 km SSE of Seabeck, Washington · 17968 days ago · 12 km deep · 16 km away
  7. 1.711 km SE of Carbonado, Washington · 17968 days ago · 5 km deep · 88 km away
  8. 3.34 km N of Duvall, Washington · 17966 days ago · 23 km deep · 77 km away
  9. 2.34 km SW of Orting, Washington · 17963 days ago · 0 km deep · 68 km away
  10. 1.92 km ESE of Belfair, Washington · 17963 days ago · -1 km deep · 9 km away
  11. 1.53 km ESE of Fall City, Washington · 17961 days ago · 19 km deep · 81 km away
  12. 2.52 km WNW of Clearview, Washington · 17961 days ago · 55 km deep · 70 km away
  13. 1.73 km WSW of Rosedale, Washington · 17960 days ago · 19 km deep · 24 km away
  14. 2.02 km W of Artondale, Washington · 17959 days ago · 20 km deep · 27 km away
  15. 1.80 km WNW of Normandy Park, Washington · 17957 days ago · 16 km deep · 43 km away
  16. 3.75 km NW of Port Hadlock-Irondale, Washington · 17956 days ago · 53 km deep · 66 km away
  17. 2.02 km NNE of Duvall, Washington · 17950 days ago · 19 km deep · 77 km away
  18. 1.65 km S of Gorst, Washington · 17948 days ago · 22 km deep · 14 km away
  19. 2.13 km SSW of Redmond, Washington · 17946 days ago · 0 km deep · 60 km away
  20. 2.70 km W of Alderwood Manor, Washington · 17945 days ago · 14 km deep · 60 km away
  21. 1.51 km NNE of Lynnwood, Washington · 17945 days ago · 2 km deep · 60 km away
  22. 1.74 km NE of Kingston, Washington · 17943 days ago · 18 km deep · 52 km away
  23. 1.55 km NNW of Port Townsend, Washington · 17941 days ago · 20 km deep · 76 km away
  24. 1.52 km NNE of Bonney Lake, Washington · 17940 days ago · 12 km deep · 63 km away
  25. 1.71 km WNW of Mountlake Terrace, Washington · 17937 days ago · 14 km deep · 56 km away
  26. 1.75 km NNW of Belfair, Washington · 17937 days ago · 22 km deep · 5 km away
  27. 2.43 km S of Woods Creek, Washington · 17932 days ago · 2 km deep · 86 km away
  28. 2.36 km SE of Marrowstone, Washington · 17930 days ago · 21 km deep · 62 km away

Before

  1. 1.83 km NNE of Bonney Lake, Washington · 17989 days ago · 7 km deep · 63 km away
  2. 1.52 km W of Mercer Island, Washington · 17989 days ago · 0 km deep · 50 km away
  3. 1.510 km NW of Belfair, Washington · 17992 days ago · 24 km deep · 5 km away
  4. 2.13 km N of Bonney Lake, Washington · 17992 days ago · 2 km deep · 62 km away
  5. 2.318 km ESE of Carbonado, Washington · 17992 days ago · -1 km deep · 96 km away
  6. 2.81 km NNW of Wauna, Washington · 17993 days ago · 44 km deep · 22 km away
  7. 2.04 km WNW of Northwest Stanwood, Washington · 17994 days ago · 21 km deep · 97 km away
  8. 4.04 km N of Bangor Trident Base, Washington · 17995 days ago · 19 km deep · 35 km away
  9. 1.80 km N of Normandy Park, Washington · 17998 days ago · 18 km deep · 43 km away
  10. 2.12 km S of Lakeland North, Washington · 17999 days ago · 8 km deep · 51 km away
  11. 2.24 km NNE of Bonney Lake, Washington · 17999 days ago · 6 km deep · 63 km away
  12. 2.13 km N of Bonney Lake, Washington · 17999 days ago · 3 km deep · 62 km away
  13. 1.94 km WNW of Wilderness Rim, Washington · 18009 days ago · 23 km deep · 82 km away
  14. 1.91 km SW of White Center, Washington · 18009 days ago · 24 km deep · 40 km away
  15. 2.15 km SW of Gorst, Washington · 18010 days ago · 20 km deep · 12 km away
  16. 2.27 km NW of Kingston, Washington · 18013 days ago · 44 km deep · 48 km away
  17. 2.33 km WSW of Wilderness Rim, Washington · 18018 days ago · 18 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843928. Read Tue, Sep 22, 2026, 8:37 PM UTC.