Washington earthquakes

M1.5 earthquake 10 km NW of Belfair, Washington

A magnitude 1.5 earthquake struck 10 km NW of Belfair, Washington on Sun, Jun 19, 1977, 10:27 PM PDT (05:27 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.7 5 km NW of Port Hadlock-Irondale, 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1977-06-20 05:27:06 UTC
Depth
23.7 km (14.7 mi), shallow
Epicenter
47.520° N, 122.917° 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 0.7 km horizontally, 0.7 km in depth
Depth from
From location
Station coverage gap
197°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.52 km W of Mercer Island, Washington · 17998 days ago · 0 km deep · 50 km away
  2. 1.83 km NNE of Bonney Lake, Washington · 17998 days ago · 7 km deep · 66 km away
  3. 1.56 km WNW of Belfair, Washington · 17998 days ago · 18 km deep · 5 km away
  4. 2.011 km WSW of Porter, Washington · 17997 days ago · 0 km deep · 80 km away
  5. 1.71 km NNE of Bonney Lake, Washington · 17996 days ago · 14 km deep · 67 km away
  6. 2.10 km SSE of Bryant, Washington · 17989 days ago · 0 km deep · 98 km away
  7. 1.910 km WSW of Porter, Washington · 17988 days ago · 0 km deep · 80 km away
  8. 1.56 km NNE of Duvall, Washington · 17979 days ago · 24 km deep · 78 km away
  9. 2.710 km NE of Snoqualmie, Washington · 17977 days ago · 7 km deep · 90 km away
  10. 2.25 km SSE of Seabeck, Washington · 17977 days ago · 12 km deep · 13 km away
  11. 1.711 km SE of Carbonado, Washington · 17977 days ago · 5 km deep · 92 km away
  12. 3.34 km N of Duvall, Washington · 17975 days ago · 23 km deep · 76 km away
  13. 2.34 km SW of Orting, Washington · 17972 days ago · 0 km deep · 72 km away
  14. 1.92 km ESE of Belfair, Washington · 17971 days ago · -1 km deep · 13 km away
  15. 1.53 km ESE of Fall City, Washington · 17970 days ago · 19 km deep · 81 km away
  16. 2.52 km WNW of Clearview, Washington · 17970 days ago · 55 km deep · 68 km away
  17. 1.73 km WSW of Rosedale, Washington · 17969 days ago · 19 km deep · 28 km away
  18. 2.02 km W of Artondale, Washington · 17967 days ago · 20 km deep · 31 km away
  19. 1.80 km WNW of Normandy Park, Washington · 17965 days ago · 16 km deep · 44 km away
  20. 3.75 km NW of Port Hadlock-Irondale, Washington · 17965 days ago · 53 km deep · 61 km away
  21. 2.02 km NNE of Duvall, Washington · 17958 days ago · 19 km deep · 76 km away
  22. 1.65 km S of Gorst, Washington · 17957 days ago · 22 km deep · 16 km away
  23. 2.13 km SSW of Redmond, Washington · 17955 days ago · 0 km deep · 60 km away
  24. 2.70 km W of Alderwood Manor, Washington · 17954 days ago · 14 km deep · 58 km away
  25. 1.51 km NNE of Lynnwood, Washington · 17954 days ago · 2 km deep · 57 km away
  26. 1.74 km NE of Kingston, Washington · 17951 days ago · 18 km deep · 49 km away
  27. 1.55 km NNW of Port Townsend, Washington · 17949 days ago · 20 km deep · 72 km away
  28. 1.52 km NNE of Bonney Lake, Washington · 17948 days ago · 12 km deep · 67 km away
  29. 1.71 km WNW of Mountlake Terrace, Washington · 17946 days ago · 14 km deep · 54 km away
  30. 1.75 km NNW of Belfair, Washington · 17945 days ago · 22 km deep · 6 km away
  31. 2.43 km S of Woods Creek, Washington · 17941 days ago · 2 km deep · 85 km away

Before

  1. 2.13 km N of Bonney Lake, Washington · 18001 days ago · 2 km deep · 65 km away
  2. 2.318 km ESE of Carbonado, Washington · 18001 days ago · -1 km deep · 100 km away
  3. 2.81 km NNW of Wauna, Washington · 18001 days ago · 44 km deep · 25 km away
  4. 2.04 km WNW of Northwest Stanwood, Washington · 18003 days ago · 21 km deep · 93 km away
  5. 4.04 km N of Bangor Trident Base, Washington · 18003 days ago · 19 km deep · 31 km away
  6. 1.80 km N of Normandy Park, Washington · 18007 days ago · 18 km deep · 44 km away
  7. 2.12 km S of Lakeland North, Washington · 18008 days ago · 8 km deep · 54 km away
  8. 2.24 km NNE of Bonney Lake, Washington · 18008 days ago · 6 km deep · 66 km away
  9. 2.13 km N of Bonney Lake, Washington · 18008 days ago · 3 km deep · 66 km away
  10. 1.94 km WNW of Wilderness Rim, Washington · 18017 days ago · 23 km deep · 83 km away
  11. 1.91 km SW of White Center, Washington · 18018 days ago · 24 km deep · 41 km away
  12. 2.15 km SW of Gorst, Washington · 18018 days ago · 20 km deep · 13 km away
  13. 2.27 km NW of Kingston, Washington · 18022 days ago · 44 km deep · 45 km away
  14. 2.33 km WSW of Wilderness Rim, Washington · 18026 days ago · 18 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843903. Read Thu, Oct 1, 2026, 2:48 PM UTC.