Washington earthquakes

M1.6 earthquake Washington

A magnitude 1.6 earthquake struck in Washington on Sun, Oct 3, 1976, 2:52 PM PDT (21:52 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.4 17 km NE of Ashford, 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
1.6 (md), micro
Local time
UTC
1976-10-03 21:52:16 UTC
Depth
13.4 km (8.4 mi), shallow
Epicenter
47.436° N, 121.818° 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 1.1 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
148°
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: 26 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.417 km NE of Ashford, Washington · 18251 days ago · 14 km deep · 62 km away
  2. 1.73 km NW of Snoqualmie Pass, Washington · 18246 days ago · 0 km deep · 29 km away
  3. 1.75 km ENE of Belfair, Washington · 18245 days ago · 19 km deep · 70 km away
  4. 2.014 km NNW of Morton, Washington · 18244 days ago · 11 km deep · 94 km away
  5. 1.77 km NNE of North Bend, Washington · 18242 days ago · 15 km deep · 14 km away
  6. 4.014 km NNW of Morton, Washington · 18240 days ago · 16 km deep · 94 km away
  7. 2.113 km WSW of Mineral, Washington · 18240 days ago · 16 km deep · 93 km away
  8. 2.42 km NE of Maple Valley, Washington · 18237 days ago · 13 km deep · 15 km away
  9. 1.61 km SE of Stanwood, Washington · 18236 days ago · 24 km deep · 97 km away
  10. 1.97 km ENE of Hobart, Washington · 18235 days ago · 22 km deep · 5 km away
  11. 1.91 km W of Hobart, Washington · 18235 days ago · 18 km deep · 13 km away
  12. 1.84 km S of Orting, Washington · 18234 days ago · -1 km deep · 52 km away
  13. 1.54 km WSW of Hansville, Washington · 18232 days ago · 9 km deep · 79 km away
  14. 1.96 km N of Packwood, Washington · 18231 days ago · 1 km deep · 87 km away
  15. 2.211 km S of Greenwater, Washington · 18229 days ago · 4 km deep · 44 km away
  16. 1.83 km W of Eastmont, Washington · 18225 days ago · 28 km deep · 59 km away
  17. 2.516 km ESE of Verlot, Washington · 18224 days ago · 0 km deep · 70 km away
  18. 1.67 km WSW of Verlot, Washington · 18222 days ago · -1 km deep · 70 km away
  19. 1.817 km SSE of Darrington, Washington · 18220 days ago · 14 km deep · 79 km away
  20. 1.86 km SSW of Southworth, Washington · 18219 days ago · 23 km deep · 55 km away
  21. 3.122 km ENE of Ashford, Washington · 18213 days ago · -1 km deep · 64 km away
  22. 2.924 km ENE of Ashford, Washington · 18213 days ago · 4 km deep · 63 km away
  23. 1.61 km ENE of Riverton, Washington · 18208 days ago · 23 km deep · 35 km away
  24. 1.513 km WSW of Alder, Washington · 18205 days ago · -1 km deep · 91 km away
  25. 2.416 km SE of Skykomish, Washington · 18200 days ago · 6 km deep · 51 km away
  26. 1.79 km ENE of Fall City, Washington · 18198 days ago · 18 km deep · 20 km away

Before

  1. 2.12 km W of Eastmont, WA · 18254 days ago · 25 km deep · 59 km away
  2. 2.212 km N of Ashford, Washington · 18259 days ago · 3 km deep · 65 km away
  3. 2.212 km W of Brinnon, Washington · 18260 days ago · 44 km deep · 98 km away
  4. 1.92 km SSW of Sultan, Washington · 18265 days ago · 14 km deep · 45 km away
  5. 1.7Puget Sound region, Washington · 18268 days ago · 18 km deep · 71 km away
  6. 1.716 km NNE of Mossyrock, Washington · 18269 days ago · 12 km deep · 96 km away
  7. 1.63 km NNW of White Center, Washington · 18272 days ago · 12 km deep · 43 km away
  8. 1.611 km S of Ashford, WA · 18275 days ago · 38 km deep · 88 km away
  9. 4.52 km NNE of Union, Washington · 18277 days ago · 45 km deep · 96 km away
  10. 1.94 km W of Packwood, Washington · 18279 days ago · 5 km deep · 92 km away
  11. 2.00 km SSE of Lake Marcel-Stillwater, Washington · 18281 days ago · 27 km deep · 29 km away
  12. 2.313 km E of Tanner, Washington · 18281 days ago · 15 km deep · 20 km away
  13. 1.515 km SW of Alder, Washington · 18281 days ago · 9 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842313. Read Wed, Sep 23, 2026, 4:15 AM UTC.