Washington earthquakes

M1.6 earthquake 5 km SSW of Fall City, Washington

A magnitude 1.6 earthquake struck 5 km SSW of Fall City, Washington on Tue, Aug 31, 1976, 10:51 PM PDT (05:51 UTC), 25 km (15 mi) below the surface.

A larger quake followed: M1.7 2 km NNW of Freeland, Washington. This one was a foreshock.

Fall City 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
1976-09-01 05:51:37 UTC
Depth
24.8 km (15.4 mi), shallow
Epicenter
47.526° N, 121.924° 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 1.6 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
174°
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 10 in the 30 days before it.

After

  1. 1.72 km NNW of Freeland, Washington · 18283 days ago · 24 km deep · 72 km away
  2. 4.76 km WSW of Coupeville, Washington · 18282 days ago · 22 km deep · 97 km away
  3. 1.515 km SW of Alder, Washington · 18281 days ago · 9 km deep · 100 km away
  4. 2.313 km E of Tanner, Washington · 18281 days ago · 15 km deep · 27 km away
  5. 2.00 km SSE of Lake Marcel-Stillwater, Washington · 18280 days ago · 27 km deep · 18 km away
  6. 4.52 km NNE of Union, Washington · 18277 days ago · 45 km deep · 89 km away
  7. 2.15 km WSW of Coupeville, Washington · 18276 days ago · 26 km deep · 98 km away
  8. 1.611 km S of Ashford, WA · 18275 days ago · 38 km deep · 97 km away
  9. 1.63 km NNW of White Center, Washington · 18272 days ago · 12 km deep · 33 km away
  10. 1.7Puget Sound region, Washington · 18268 days ago · 18 km deep · 63 km away
  11. 1.92 km SSW of Sultan, Washington · 18265 days ago · 14 km deep · 35 km away
  12. 2.212 km W of Brinnon, Washington · 18260 days ago · 44 km deep · 87 km away
  13. 2.212 km N of Ashford, Washington · 18259 days ago · 3 km deep · 73 km away
  14. 2.12 km W of Eastmont, WA · 18253 days ago · 25 km deep · 46 km away
  15. 1.6Washington · 18251 days ago · 13 km deep · 13 km away
  16. 2.417 km NE of Ashford, Washington · 18250 days ago · 14 km deep · 72 km away
  17. 1.86 km W of Coupeville, Washington · 18250 days ago · 23 km deep · 99 km away
  18. 1.73 km NW of Snoqualmie Pass, Washington · 18246 days ago · 0 km deep · 39 km away
  19. 1.75 km ENE of Belfair, Washington · 18245 days ago · 19 km deep · 63 km away
  20. 1.77 km NNE of North Bend, Washington · 18241 days ago · 15 km deep · 14 km away
  21. 2.113 km WSW of Mineral, Washington · 18240 days ago · 16 km deep · 100 km away
  22. 2.42 km NE of Maple Valley, Washington · 18236 days ago · 13 km deep · 15 km away
  23. 1.61 km SE of Stanwood, Washington · 18236 days ago · 24 km deep · 85 km away
  24. 1.97 km ENE of Hobart, Washington · 18235 days ago · 22 km deep · 9 km away
  25. 1.91 km W of Hobart, Washington · 18234 days ago · 18 km deep · 13 km away
  26. 1.84 km S of Orting, Washington · 18234 days ago · -1 km deep · 57 km away
  27. 1.54 km WSW of Hansville, Washington · 18232 days ago · 9 km deep · 67 km away
  28. 1.96 km N of Packwood, Washington · 18231 days ago · 1 km deep · 98 km away
  29. 2.211 km S of Greenwater, Washington · 18229 days ago · 4 km deep · 56 km away
  30. 1.83 km W of Eastmont, Washington · 18225 days ago · 28 km deep · 47 km away
  31. 2.516 km ESE of Verlot, Washington · 18224 days ago · 0 km deep · 63 km away

Before

  1. 1.85 km NNE of North Bend, Washington · 18284 days ago · 13 km deep · 13 km away
  2. 1.53 km WSW of Issaquah, Washington · 18290 days ago · 11 km deep · 12 km away
  3. 2.116 km SSW of Concrete, Washington · 18292 days ago · 3 km deep · 99 km away
  4. 1.73 km ENE of Camano, Washington · 18292 days ago · 22 km deep · 84 km away
  5. 1.61 km ENE of Riverton, Washington · 18294 days ago · 24 km deep · 27 km away
  6. 1.60 km ESE of Boulevard Park, Washington · 18295 days ago · 32 km deep · 29 km away
  7. 1.510 km WNW of Packwood, Washington · 18297 days ago · -1 km deep · 100 km away
  8. 1.57 km NNE of Skykomish, Washington · 18305 days ago · 5 km deep · 53 km away
  9. 1.610 km NE of North Bend, Washington · 18306 days ago · 6 km deep · 18 km away
  10. 1.52 km NW of Inglewood-Finn Hill, Washington · 18310 days ago · 25 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842108. Read Tue, Sep 22, 2026, 8:42 PM UTC.