Washington earthquakes

M1.9 earthquake 17 km SE of Carbonado, Washington

A magnitude 1.9 earthquake struck 17 km SE of Carbonado, Washington on Thu, Aug 25, 1977, 4:29 AM PDT (11:29 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.4 6 km SSE of Bucoda, 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
1.9 (md), micro
Local time
UTC
1977-08-25 11:29:01 UTC
Depth
8.6 km (5.3 mi), shallow
Epicenter
46.964° N, 121.896° 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 2.3 km horizontally, 9.2 km in depth
Depth from
From location
Station coverage gap
169°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.717 km S of Skykomish, Washington · 17924 days ago · 3 km deep · 76 km away
  2. 1.515 km NNE of Ashford, Washington · 17924 days ago · 15 km deep · 10 km away
  3. 1.516 km S of Skykomish, Washington · 17924 days ago · 3 km deep · 77 km away
  4. 1.939 km SE of Morton, Washington · 17923 days ago · -1 km deep · 75 km away
  5. 1.52 km NW of Snoqualmie, Washington · 17922 days ago · 25 km deep · 65 km away
  6. 1.811 km W of Packwood, Washington · 17921 days ago · -1 km deep · 38 km away
  7. 1.72 km ENE of Union Hill-Novelty Hill, Washington · 17916 days ago · 23 km deep · 81 km away
  8. 1.613 km SSW of South Cle Elum, Washington · 17914 days ago · 1 km deep · 70 km away
  9. 1.613 km NNE of Cliffdell, Washington · 17914 days ago · 7 km deep · 69 km away
  10. 1.74 km NW of Federal Way, Washington · 17914 days ago · 22 km deep · 55 km away
  11. 3.46 km SSE of Bucoda, Washington · 17911 days ago · 6 km deep · 75 km away
  12. 2.115 km NNE of Ashford, Washington · 17910 days ago · -1 km deep · 10 km away
  13. 1.56 km ESE of Lake Marcel-Stillwater, Washington · 17906 days ago · 16 km deep · 79 km away
  14. 2.06 km N of Mossyrock, Washington · 17902 days ago · 23 km deep · 61 km away
  15. 2.18 km NNE of Mossyrock, Washington · 17901 days ago · 20 km deep · 58 km away
  16. 1.74 km NE of North Bend, Washington · 17898 days ago · -1 km deep · 63 km away
  17. 1.63 km NE of Bonney Lake, Washington · 17897 days ago · 15 km deep · 33 km away
  18. 1.915 km NNE of Ashford, Washington · 17894 days ago · 4 km deep · 9 km away
  19. 1.914 km E of Wilkeson, Washington · 17889 days ago · 7 km deep · 15 km away
  20. 1.64 km WNW of Mercer Island, Washington · 17885 days ago · 38 km deep · 75 km away
  21. 1.81 km E of Enetai, Washington · 17880 days ago · 20 km deep · 86 km away
  22. 1.54 km E of Echo Lake, Washington · 17879 days ago · 19 km deep · 92 km away
  23. 1.740 km SSE of Morton, Washington · 17877 days ago · 3 km deep · 84 km away
  24. 1.82 km NNE of Carnation, Washington · 17877 days ago · 22 km deep · 78 km away
  25. 1.62 km NW of White Center, Washington · 17874 days ago · 19 km deep · 73 km away
  26. 1.625 km ENE of Ashford, Washington · 17871 days ago · 0 km deep · 18 km away
  27. 2.10 km E of Riverton, Washington · 17870 days ago · 22 km deep · 65 km away

Before

  1. 1.713 km SSW of South Cle Elum, Washington · 17927 days ago · 9 km deep · 68 km away
  2. 2.43 km S of Woods Creek, Washington · 17932 days ago · 2 km deep · 98 km away
  3. 1.75 km NNW of Belfair, Washington · 17936 days ago · 22 km deep · 93 km away
  4. 1.71 km WNW of Mountlake Terrace, Washington · 17937 days ago · 14 km deep · 98 km away
  5. 1.52 km NNE of Bonney Lake, Washington · 17939 days ago · 12 km deep · 33 km away
  6. 1.55 km SE of Mineral, Washington · 17943 days ago · 19 km deep · 35 km away
  7. 1.933 km NE of Amboy, Washington · 17944 days ago · 1 km deep · 93 km away
  8. 2.13 km SSW of Redmond, Washington · 17946 days ago · 0 km deep · 78 km away
  9. 1.65 km S of Gorst, Washington · 17948 days ago · 22 km deep · 84 km away
  10. 2.02 km NNE of Duvall, Washington · 17949 days ago · 19 km deep · 89 km away
  11. 1.916 km WNW of Packwood, Washington · 17949 days ago · 0 km deep · 35 km away
  12. 2.013 km ENE of Ashford, Washington · 17950 days ago · 2 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10844503. Read Tue, Sep 22, 2026, 11:02 AM UTC.