Washington earthquakes

M1.7 earthquake 1 km NNE of Snoqualmie, Washington

A magnitude 1.7 earthquake struck 1 km NNE of Snoqualmie, Washington on Wed, May 21, 1975, 4:51 AM PDT (11:51 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.9 2 km N of White Center, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1975-05-21 11:51:32 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
47.538° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
179°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 1.55 km S of Fall City, Washington · 18748 days ago · 18 km deep · 6 km away
  2. 1.75 km SSE of Keyport, Washington · 18745 days ago · 18 km deep · 60 km away
  3. 1.92 km N of White Center, Washington · 18737 days ago · 22 km deep · 40 km away
  4. 1.71 km ENE of Quilcene, Washington · 18736 days ago · 48 km deep · 84 km away
  5. 1.74 km WSW of Woodway, Washington · 18734 days ago · 12 km deep · 53 km away
  6. 1.51 km SW of Lynnwood, Washington · 18732 days ago · 5 km deep · 49 km away
  7. 1.72 km W of Suquamish, Washington · 18729 days ago · 3 km deep · 61 km away
  8. 1.61 km S of Wilburton, Washington · 18721 days ago · 17 km deep · 28 km away
  9. 1.62 km ESE of Lake Cavanaugh, Washington · 18720 days ago · 9 km deep · 88 km away
  10. 1.94 km ENE of Hobart, Washington · 18717 days ago · 15 km deep · 13 km away
  11. 1.90 km E of Gorst, Washington · 18713 days ago · 18 km deep · 66 km away
  12. 2.3Puget Sound region, Washington · 18713 days ago · 18 km deep · 25 km away
  13. 2.02 km ESE of Duvall, Washington · 18713 days ago · 16 km deep · 24 km away
  14. 2.52 km W of North Bend, Washington · 18712 days ago · 16 km deep · 5 km away
  15. 2.10 km NE of Navy Yard City, Washington · 18712 days ago · 22 km deep · 63 km away
  16. 1.92 km S of Lake Marcel-Stillwater, Washington · 18712 days ago · 18 km deep · 17 km away
  17. 2.0Puget Sound region, Washington · 18711 days ago · 11 km deep · 51 km away
  18. 2.12 km NNE of Riverton, Washington · 18709 days ago · 27 km deep · 35 km away
  19. 2.62 km E of Dash Point, Washington · 18708 days ago · 16 km deep · 50 km away
  20. 2.25 km WSW of North Bend, Washington · 18704 days ago · 8 km deep · 7 km away
  21. 2.113 km SE of Verlot, Washington · 18703 days ago · -1 km deep · 55 km away
  22. 2.27 km N of Brinnon, Washington · 18703 days ago · 14 km deep · 85 km away
  23. 2.63 km SE of Southworth, Washington · 18700 days ago · 47 km deep · 49 km away
  24. 2.07 km SSW of Wilderness Rim, Washington · 18700 days ago · 13 km deep · 18 km away
  25. 1.56 km NE of Bryant, Washington · 18700 days ago · 11 km deep · 86 km away
  26. 3.42 km E of Dash Point, Washington · 18699 days ago · 7 km deep · 50 km away
  27. 1.92 km ENE of Dash Point, Washington · 18698 days ago · 8 km deep · 50 km away
  28. 2.22 km S of Startup, Washington · 18693 days ago · -1 km deep · 35 km away
  29. 1.84 km SSE of Monroe, Washington · 18693 days ago · 12 km deep · 32 km away

Before

  1. 2.05 km NNE of Startup, Washington · 18771 days ago · 26 km deep · 42 km away
  2. 4.22 km SW of DuPont, Washington · 18781 days ago · 45 km deep · 81 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10862578. Read Tue, Sep 22, 2026, 8:58 PM UTC.