Washington earthquakes

M2.1 earthquake 2 km N of Snoqualmie, Washington

A magnitude 2.1 earthquake struck 2 km N of Snoqualmie, Washington on Wed, Aug 16, 1972, 2:45 AM PDT (09:45 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.3 4 km E of Port Townsend, 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
2.1 (md), micro
Local time
UTC
1972-08-16 09:45:10 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
47.547° N, 121.822° 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 1.3 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
178°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 2.14 km NE of Mirrormont, Washington · 19757 days ago · -1 km deep · 12 km away
  2. 1.90 km WNW of Lake Forest Park, Washington · 19749 days ago · 20 km deep · 42 km away
  3. 1.80 km WSW of Cottage Lake, Washington · 19743 days ago · 4 km deep · 29 km away
  4. 1.91 km S of Vaughn, Washington · 19739 days ago · 17 km deep · 75 km away
  5. 2.34 km E of Port Townsend, Washington · 19739 days ago · 52 km deep · 92 km away
  6. 2.26 km SSE of Seabeck, Washington · 19737 days ago · 23 km deep · 74 km away
  7. 2.413 km NNE of Snoqualmie, Washington · 19735 days ago · 10 km deep · 12 km away
  8. 1.80 km S of Hunts Point, Washington · 19734 days ago · -1 km deep · 32 km away
  9. 1.86 km WSW of Shoreline, Washington · 19732 days ago · 22 km deep · 49 km away
  10. 2.56 km S of Seabeck, Washington · 19732 days ago · 17 km deep · 75 km away
  11. 2.25 km NW of Snoqualmie Pass, Washington · 19730 days ago · 1 km deep · 31 km away
  12. 1.64 km N of Bonney Lake, Washington · 19726 days ago · 12 km deep · 46 km away
  13. 2.13 km NW of Gorst, Washington · 19723 days ago · -1 km deep · 68 km away
  14. 1.91 km NNW of Issaquah, Washington · 19719 days ago · 19 km deep · 16 km away
  15. 2.89 km SE of Blyn, Washington · 19719 days ago · 41 km deep · 94 km away
  16. 2.05 km W of Belfair, Washington · 19714 days ago · 24 km deep · 82 km away
  17. 3.12 km SSE of Big Lake, Washington · 19711 days ago · 18 km deep · 98 km away
  18. 1.67 km S of Port Hadlock-Irondale, Washington · 19709 days ago · 15 km deep · 85 km away
  19. 2.213 km WSW of Greenwater, Washington · 19705 days ago · 8 km deep · 49 km away
  20. 2.516 km SE of Carbonado, Washington · 19704 days ago · 7 km deep · 65 km away
  21. 2.40 km NE of Esperance, Washington · 19703 days ago · 19 km deep · 48 km away
  22. 1.50 km SSW of Silverdale, Washington · 19703 days ago · 22 km deep · 67 km away
  23. 2.96 km W of Lake Cavanaugh, Washington · 19703 days ago · 14 km deep · 90 km away
  24. 2.111 km NNE of Tanner, Washington · 19703 days ago · 9 km deep · 12 km away
  25. 2.07 km WSW of Lofall, Washington · 19702 days ago · 18 km deep · 75 km away
  26. 2.53 km ESE of Seattle, Washington · 19702 days ago · 5 km deep · 35 km away
  27. 1.82 km NE of East Renton Highlands, Washington · 19701 days ago · -1 km deep · 21 km away
  28. 2.218 km ESE of Greenwater, Washington · 19701 days ago · 20 km deep · 56 km away

Before

  1. 1.63 km NE of Cathcart, Washington · 19761 days ago · 23 km deep · 41 km away
  2. 2.01 km SSW of Woodway, Washington · 19762 days ago · 42 km deep · 50 km away
  3. 3.06 km SW of Wilderness Rim, Washington · 19763 days ago · 14 km deep · 16 km away
  4. 1.63 km SW of Hobart, Washington · 19771 days ago · 1 km deep · 21 km away
  5. 1.87 km SW of Coupeville, Washington · 19771 days ago · 26 km deep · 99 km away
  6. 1.78 km ENE of Ashford, Washington · 19773 days ago · 10 km deep · 85 km away
  7. 1.64 km N of Fall City, Washington · 19773 days ago · 13 km deep · 9 km away
  8. 1.74 km SSW of Quilcene, Washington · 19774 days ago · 13 km deep · 84 km away
  9. 2.14 km NE of Lake Marcel-Stillwater, Washington · 19775 days ago · 22 km deep · 19 km away
  10. 1.95 km N of Quilcene, Washington · 19777 days ago · 15 km deep · 87 km away
  11. 2.30 km SSW of Burien, Washington · 19778 days ago · 21 km deep · 41 km away
  12. 2.15 km WNW of Snoqualmie Pass, Washington · 19778 days ago · 4 km deep · 31 km away
  13. 2.04 km SE of Kingston, Washington · 19779 days ago · 21 km deep · 54 km away
  14. 3.04 km SE of Kingston, Washington · 19779 days ago · 22 km deep · 53 km away
  15. 1.81 km N of Mercer Island, Washington · 19780 days ago · 21 km deep · 30 km away
  16. 2.06 km NE of Fall City, Washington · 19780 days ago · 0 km deep · 8 km away
  17. 2.34 km WNW of Snoqualmie Pass, Washington · 19781 days ago · 3 km deep · 31 km away
  18. 2.20 km E of Parkwood, Washington · 19783 days ago · 42 km deep · 59 km away
  19. 1.72 km ENE of Mirrormont, Washington · 19784 days ago · 22 km deep · 14 km away
  20. 2.23 km SSW of Ames Lake, Washington · 19788 days ago · 6 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10853653. Read Tue, Sep 22, 2026, 7:02 AM UTC.