Washington earthquakes

M1.7 earthquake 4 km NE of North Bend, Washington

A magnitude 1.7 earthquake struck 4 km NE of North Bend, Washington on Wed, Sep 21, 1977, 3:33 PM PDT (22:33 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.2 8 km NNW of Thorp, Washington. This one was a foreshock.

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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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1977-09-21 22:33:34 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
47.517° N, 121.743° 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 2.2 km horizontally, 4.2 km in depth
Depth from
From location
Station coverage gap
179°
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: 21 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.63 km NE of Bonney Lake, Washington · 17905 days ago · 15 km deep · 47 km away
  2. 1.96 km E of Arlington Heights, Washington · 17903 days ago · 18 km deep · 77 km away
  3. 1.915 km NNE of Ashford, Washington · 17902 days ago · 4 km deep · 72 km away
  4. 1.914 km E of Wilkeson, Washington · 17898 days ago · 7 km deep · 48 km away
  5. 1.56 km SSW of Hansville, Washington · 17897 days ago · 15 km deep · 74 km away
  6. 1.64 km WNW of Mercer Island, Washington · 17894 days ago · 38 km deep · 40 km away
  7. 1.63 km NW of Suquamish, Washington · 17890 days ago · 21 km deep · 68 km away
  8. 1.81 km E of Enetai, Washington · 17889 days ago · 20 km deep · 63 km away
  9. 1.54 km E of Echo Lake, Washington · 17888 days ago · 19 km deep · 35 km away
  10. 1.82 km NNE of Carnation, Washington · 17886 days ago · 22 km deep · 20 km away
  11. 1.62 km NW of White Center, Washington · 17882 days ago · 19 km deep · 47 km away
  12. 1.625 km ENE of Ashford, Washington · 17880 days ago · 0 km deep · 74 km away
  13. 2.10 km E of Riverton, Washington · 17879 days ago · 22 km deep · 41 km away
  14. 2.1Washington · 17870 days ago · 7 km deep · 6 km away
  15. 2.18 km NE of Duvall, Washington · 17870 days ago · 16 km deep · 33 km away
  16. 1.62 km W of Burley, Washington · 17861 days ago · 21 km deep · 71 km away
  17. 1.61 km N of Esperance, Washington · 17861 days ago · 6 km deep · 56 km away
  18. 2.28 km NNW of Thorp, Washington · 17859 days ago · 4 km deep · 88 km away
  19. 1.92 km SSE of Three Lakes, Washington · 17855 days ago · 8 km deep · 50 km away
  20. 1.92 km WSW of Ashford, Washington · 17854 days ago · 0 km deep · 88 km away
  21. 1.92 km SW of Ashford, Washington · 17854 days ago · -1 km deep · 89 km away

Before

  1. 1.56 km ESE of Lake Marcel-Stillwater, Washington · 17914 days ago · 16 km deep · 19 km away
  2. 2.115 km NNE of Ashford, Washington · 17918 days ago · -1 km deep · 72 km away
  3. 1.74 km NW of Federal Way, Washington · 17922 days ago · 22 km deep · 49 km away
  4. 1.613 km NNE of Cliffdell, Washington · 17923 days ago · 7 km deep · 77 km away
  5. 1.613 km SSW of South Cle Elum, Washington · 17923 days ago · 1 km deep · 76 km away
  6. 1.72 km ENE of Union Hill-Novelty Hill, Washington · 17925 days ago · 23 km deep · 27 km away
  7. 1.811 km W of Packwood, Washington · 17930 days ago · -1 km deep · 99 km away
  8. 1.52 km NW of Snoqualmie, Washington · 17931 days ago · 25 km deep · 9 km away
  9. 1.516 km S of Skykomish, Washington · 17933 days ago · 3 km deep · 27 km away
  10. 1.515 km NNE of Ashford, Washington · 17933 days ago · 15 km deep · 72 km away
  11. 1.717 km S of Skykomish, Washington · 17933 days ago · 3 km deep · 26 km away
  12. 1.917 km SE of Carbonado, Washington · 17934 days ago · 9 km deep · 63 km away
  13. 1.713 km SSW of South Cle Elum, Washington · 17936 days ago · 9 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10844733. Read Thu, Oct 1, 2026, 3:54 AM UTC.