Washington earthquakes

M1.8 earthquake 6 km WSW of Shoreline, Washington

A magnitude 1.8 earthquake struck 6 km WSW of Shoreline, Washington on Tue, Sep 12, 1972, 10:18 PM PDT (05:18 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M2.5 6 km S of Seabeck, Washington. This one was a foreshock.

Shoreline 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
1.8 (md), micro
Local time
UTC
1972-09-13 05:18:52 UTC
Depth
21.8 km (13.5 mi), shallow
Epicenter
47.734° N, 122.417° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
177°
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: 31 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.56 km S of Seabeck, Washington · 19732 days ago · 17 km deep · 35 km away
  2. 2.25 km NW of Snoqualmie Pass, Washington · 19730 days ago · 1 km deep · 80 km away
  3. 1.64 km N of Bonney Lake, Washington · 19726 days ago · 12 km deep · 60 km away
  4. 2.13 km NW of Gorst, Washington · 19724 days ago · -1 km deep · 31 km away
  5. 1.91 km NNW of Issaquah, Washington · 19719 days ago · 19 km deep · 35 km away
  6. 2.89 km SE of Blyn, Washington · 19719 days ago · 41 km deep · 45 km away
  7. 2.05 km W of Belfair, Washington · 19714 days ago · 24 km deep · 48 km away
  8. 3.12 km SSE of Big Lake, Washington · 19711 days ago · 18 km deep · 73 km away
  9. 1.67 km S of Port Hadlock-Irondale, Washington · 19709 days ago · 15 km deep · 37 km away
  10. 2.213 km WSW of Greenwater, Washington · 19705 days ago · 8 km deep · 84 km away
  11. 2.73 km W of Sedro-Woolley, Washington · 19705 days ago · 20 km deep · 86 km away
  12. 2.516 km SE of Carbonado, Washington · 19704 days ago · 7 km deep · 94 km away
  13. 2.40 km NE of Esperance, Washington · 19703 days ago · 19 km deep · 8 km away
  14. 1.50 km SSW of Silverdale, Washington · 19703 days ago · 22 km deep · 24 km away
  15. 2.96 km W of Lake Cavanaugh, Washington · 19703 days ago · 14 km deep · 70 km away
  16. 2.111 km NNE of Tanner, Washington · 19703 days ago · 9 km deep · 59 km away
  17. 2.07 km WSW of Lofall, Washington · 19702 days ago · 18 km deep · 26 km away
  18. 2.53 km ESE of Seattle, Washington · 19702 days ago · 5 km deep · 18 km away
  19. 1.82 km NE of East Renton Highlands, Washington · 19701 days ago · -1 km deep · 36 km away
  20. 1.7Puget Sound region, Washington · 19696 days ago · 21 km deep · 23 km away
  21. 1.63 km N of Woods Creek, Washington · 19696 days ago · 4 km deep · 44 km away
  22. 1.72 km ESE of Hansville, Washington · 19693 days ago · 14 km deep · 21 km away
  23. 3.40 km SSW of Beaux Arts Village, Washington · 19693 days ago · 20 km deep · 24 km away
  24. 2.03 km ENE of Sumner, Washington · 19692 days ago · 13 km deep · 61 km away
  25. 2.10 km NNW of Alger, Washington · 19685 days ago · 25 km deep · 99 km away
  26. 1.70 km NW of Newport, Washington · 19682 days ago · 20 km deep · 24 km away
  27. 3.03 km SW of Erlands Point-Kitsap Lake, Washington · 19681 days ago · 17 km deep · 30 km away
  28. 3.15 km N of Brinnon, Washington · 19680 days ago · 47 km deep · 36 km away
  29. 2.96 km SW of Grapeview, Washington · 19678 days ago · 20 km deep · 61 km away
  30. 1.712 km NNE of May Creek, Washington · 19677 days ago · 30 km deep · 65 km away
  31. 2.59 km ENE of Fall City, Washington · 19674 days ago · 13 km deep · 50 km away

Before

  1. 1.80 km S of Hunts Point, Washington · 19734 days ago · -1 km deep · 18 km away
  2. 2.413 km NNE of Snoqualmie, Washington · 19735 days ago · 10 km deep · 52 km away
  3. 2.26 km SSE of Seabeck, Washington · 19737 days ago · 23 km deep · 34 km away
  4. 2.02 km NNE of Shelton, Washington · 19739 days ago · 38 km deep · 75 km away
  5. 2.34 km E of Port Townsend, Washington · 19739 days ago · 52 km deep · 48 km away
  6. 1.91 km S of Vaughn, Washington · 19739 days ago · 17 km deep · 52 km away
  7. 1.80 km WSW of Cottage Lake, Washington · 19743 days ago · 4 km deep · 25 km away
  8. 1.90 km WNW of Lake Forest Park, Washington · 19750 days ago · 20 km deep · 10 km away
  9. 2.14 km NE of Mirrormont, Washington · 19757 days ago · -1 km deep · 45 km away
  10. 2.12 km N of Snoqualmie, Washington · 19760 days ago · 4 km deep · 49 km away
  11. 1.63 km NE of Cathcart, Washington · 19761 days ago · 23 km deep · 30 km away
  12. 2.01 km SSW of Woodway, Washington · 19762 days ago · 42 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10854078. Read Tue, Sep 22, 2026, 9:40 AM UTC.