Washington earthquakes

M1.5 earthquake 16 km NE of Snoqualmie, Washington

A magnitude 1.5 earthquake struck 16 km NE of Snoqualmie, Washington on Wed, Mar 17, 1976, 9:33 PM PST (05:33 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M1.8 9 km NE of Ashford, 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
1.5 (md), micro
Local time
UTC
1976-03-18 05:33:43 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
47.642° N, 121.687° 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 3.1 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
195°, poorly surrounded by stations
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: 25 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.89 km NE of Ashford, Washington · 18447 days ago · 6 km deep · 94 km away
  2. 1.622 km NE of Ashford, Washington · 18446 days ago · 20 km deep · 83 km away
  3. 1.61 km ENE of Everett, Washington · 18437 days ago · 21 km deep · 53 km away
  4. 1.50 km SSW of Lynnwood, Washington · 18436 days ago · 4 km deep · 51 km away
  5. 2.34 km WNW of Wauna, Washington · 18433 days ago · 9 km deep · 81 km away
  6. 1.85 km WNW of Wauna, Washington · 18429 days ago · 21 km deep · 82 km away
  7. 1.615 km S of Leavenworth, Washington · 18428 days ago · 5 km deep · 78 km away
  8. 1.62 km NE of Carnation, Washington · 18427 days ago · 9 km deep · 16 km away
  9. 1.67 km WSW of Camano, Washington · 18423 days ago · 28 km deep · 90 km away
  10. 2.72 km SW of Mountlake Terrace, Washington · 18409 days ago · 27 km deep · 50 km away
  11. 2.01 km SE of Esperance, Washington · 18409 days ago · 19 km deep · 51 km away
  12. 1.61 km SSW of Mountlake Terrace, Washington · 18409 days ago · 23 km deep · 50 km away
  13. 1.68 km NNE of Snoqualmie, Washington · 18409 days ago · 4 km deep · 8 km away
  14. 1.51 km E of Lake Roesiger, Washington · 18409 days ago · 0 km deep · 42 km away
  15. 1.61 km NE of Edmonds, Washington · 18408 days ago · 5 km deep · 54 km away
  16. 1.70 km NNE of Algona, Washington · 18408 days ago · 5 km deep · 58 km away
  17. 2.36 km WNW of Wauna, Washington · 18407 days ago · 22 km deep · 82 km away
  18. 1.87 km ESE of Quilcene, Washington · 18407 days ago · 17 km deep · 84 km away
  19. 1.53 km NE of Dash Point, Washington · 18404 days ago · 26 km deep · 63 km away
  20. 1.51 km SE of Bainbridge Island, Washington · 18403 days ago · 22 km deep · 61 km away
  21. 2.48 km NNE of Marrowstone, Washington · 18402 days ago · 53 km deep · 89 km away
  22. 2.01 km S of Auburn, Washington · 18398 days ago · 21 km deep · 56 km away
  23. 2.06 km S of Wilderness Rim, Washington · 18398 days ago · 18 km deep · 29 km away
  24. 1.83 km SW of Crocker, Washington · 18396 days ago · 8 km deep · 73 km away
  25. 1.63 km ENE of Union Hill-Novelty Hill, Washington · 18395 days ago · 24 km deep · 23 km away

Before

  1. 1.50 km NE of Lynnwood, Washington · 18452 days ago · 18 km deep · 51 km away
  2. 2.06 km W of Easton, Washington · 18459 days ago · 14 km deep · 55 km away
  3. 1.52 km SSE of Erlands Point-Kitsap Lake, Washington · 18463 days ago · 18 km deep · 76 km away
  4. 1.813 km NNE of Snoqualmie, Washington · 18466 days ago · 11 km deep · 3 km away
  5. 1.7Washington · 18468 days ago · 13 km deep · 80 km away
  6. 1.83 km SW of Lake Forest Park, Washington · 18469 days ago · 22 km deep · 47 km away
  7. 1.811 km ENE of Snoqualmie, Washington · 18473 days ago · 10 km deep · 7 km away
  8. 2.53 km W of Monroe, Washington · 18475 days ago · 24 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10840933. Read Tue, Sep 22, 2026, 10:52 AM UTC.