Washington earthquakes

M1.6 earthquake 8 km NNE of Snoqualmie, Washington

A magnitude 1.6 earthquake struck 8 km NNE of Snoqualmie, Washington on Wed, Apr 28, 1976, 4:08 AM PDT (11:08 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M1.7 0 km NNE of Algona, Washington. This one was a foreshock.

Snoqualmie 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
1976-04-28 11:08:43 UTC
Depth
4.1 km (2.6 mi), shallow
Epicenter
47.596° N, 121.766° 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 10.0 km horizontally, 24.3 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
175°
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: 24 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.51 km E of Lake Roesiger, Washington · 18409 days ago · 0 km deep · 45 km away
  2. 1.61 km NE of Edmonds, Washington · 18408 days ago · 5 km deep · 51 km away
  3. 1.70 km NNE of Algona, Washington · 18408 days ago · 5 km deep · 50 km away
  4. 2.36 km WNW of Wauna, Washington · 18407 days ago · 22 km deep · 75 km away
  5. 1.87 km ESE of Quilcene, Washington · 18407 days ago · 17 km deep · 80 km away
  6. 1.53 km NE of Dash Point, Washington · 18404 days ago · 26 km deep · 55 km away
  7. 1.51 km SE of Bainbridge Island, Washington · 18403 days ago · 22 km deep · 56 km away
  8. 2.48 km NNE of Marrowstone, Washington · 18402 days ago · 53 km deep · 88 km away
  9. 2.01 km S of Auburn, Washington · 18398 days ago · 21 km deep · 48 km away
  10. 2.06 km S of Wilderness Rim, Washington · 18398 days ago · 18 km deep · 23 km away
  11. 1.83 km SW of Crocker, Washington · 18396 days ago · 8 km deep · 66 km away
  12. 1.63 km ENE of Union Hill-Novelty Hill, Washington · 18395 days ago · 24 km deep · 19 km away
  13. 1.72 km SE of Maple Heights-Lake Desire, Washington · 18385 days ago · 20 km deep · 30 km away
  14. 1.66 km WSW of Ketron, Washington · 18382 days ago · 44 km deep · 86 km away
  15. 1.92 km NE of Tracyton, Washington · 18374 days ago · 20 km deep · 65 km away
  16. 2.72 km SE of Canterwood, Washington · 18374 days ago · 16 km deep · 66 km away
  17. 2.28 km S of Concrete, Washington · 18372 days ago · 4 km deep · 96 km away
  18. 1.73 km S of Lake Forest Park, Washington · 18372 days ago · 24 km deep · 41 km away
  19. 3.06 km NE of Elbe, Washington · 18368 days ago · 5 km deep · 92 km away
  20. 1.65 km ENE of Elbe, Washington · 18367 days ago · 3 km deep · 94 km away
  21. 2.112 km NE of May Creek, Washington · 18359 days ago · 3 km deep · 41 km away
  22. 2.11 km W of Lake McMurray, Washington · 18355 days ago · 7 km deep · 88 km away
  23. 1.610 km NE of May Creek, Washington · 18355 days ago · 3 km deep · 40 km away
  24. 1.66 km SSW of La Conner, Washington · 18354 days ago · 14 km deep · 100 km away

Before

  1. 1.61 km SSW of Mountlake Terrace, Washington · 18409 days ago · 23 km deep · 46 km away
  2. 2.01 km SE of Esperance, Washington · 18409 days ago · 19 km deep · 47 km away
  3. 2.72 km SW of Mountlake Terrace, Washington · 18409 days ago · 27 km deep · 47 km away
  4. 1.821 km NE of Packwood, Washington · 18418 days ago · 5 km deep · 97 km away
  5. 1.67 km WSW of Camano, Washington · 18423 days ago · 28 km deep · 89 km away
  6. 1.62 km NE of Carnation, Washington · 18427 days ago · 9 km deep · 12 km away
  7. 1.615 km S of Leavenworth, Washington · 18428 days ago · 5 km deep · 83 km away
  8. 1.85 km WNW of Wauna, Washington · 18429 days ago · 21 km deep · 75 km away
  9. 2.34 km WNW of Wauna, Washington · 18433 days ago · 9 km deep · 73 km away
  10. 1.50 km SSW of Lynnwood, Washington · 18436 days ago · 4 km deep · 48 km away
  11. 1.61 km ENE of Everett, Washington · 18437 days ago · 21 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10841253. Read Tue, Sep 22, 2026, 11:16 AM UTC.