Washington earthquakes

M1.5 earthquake 0 km SSW of Silverdale, Washington

A magnitude 1.5 earthquake struck 0 km SSW of Silverdale, Washington on Wed, Oct 11, 1972, 6:36 PM PDT (01:36 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M2.9 6 km W of Lake Cavanaugh, Washington. This one was a foreshock.

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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
1972-10-12 01:36:47 UTC
Depth
22.1 km (13.8 mi), shallow
Epicenter
47.637° N, 122.699° 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 0.5 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
120°
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: 35 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.96 km W of Lake Cavanaugh, Washington · 19703 days ago · 14 km deep · 89 km away
  2. 2.111 km NNE of Tanner, Washington · 19703 days ago · 9 km deep · 78 km away
  3. 2.07 km WSW of Lofall, Washington · 19702 days ago · 18 km deep · 19 km away
  4. 2.53 km ESE of Seattle, Washington · 19702 days ago · 5 km deep · 31 km away
  5. 1.82 km NE of East Renton Highlands, Washington · 19701 days ago · -1 km deep · 48 km away
  6. 1.7Puget Sound region, Washington · 19696 days ago · 21 km deep · 37 km away
  7. 1.63 km N of Woods Creek, Washington · 19696 days ago · 4 km deep · 68 km away
  8. 1.72 km ESE of Hansville, Washington · 19693 days ago · 14 km deep · 33 km away
  9. 3.40 km SSW of Beaux Arts Village, Washington · 19693 days ago · 20 km deep · 38 km away
  10. 2.03 km ENE of Sumner, Washington · 19692 days ago · 13 km deep · 61 km away
  11. 1.70 km NW of Newport, Washington · 19682 days ago · 20 km deep · 39 km away
  12. 3.03 km SW of Erlands Point-Kitsap Lake, Washington · 19681 days ago · 17 km deep · 8 km away
  13. 3.15 km N of Brinnon, Washington · 19680 days ago · 47 km deep · 18 km away
  14. 2.96 km SW of Grapeview, Washington · 19678 days ago · 20 km deep · 41 km away
  15. 1.712 km NNE of May Creek, Washington · 19677 days ago · 30 km deep · 89 km away
  16. 4.13 km SE of Oak Bay, Canada · 19675 days ago · 44 km deep · 98 km away
  17. 2.59 km ENE of Fall City, Washington · 19673 days ago · 13 km deep · 69 km away
  18. 3.30 km SW of Kenmore, Washington · 19670 days ago · 18 km deep · 36 km away
  19. 1.88 km ESE of Enumclaw, Washington · 19669 days ago · 16 km deep · 79 km away
  20. 1.75 km N of Lofall, Washington · 19666 days ago · 18 km deep · 25 km away
  21. 1.87 km SE of Bainbridge Island, Washington · 19665 days ago · 13 km deep · 21 km away
  22. 1.8Puget Sound region, Washington · 19664 days ago · 20 km deep · 37 km away
  23. 1.54 km WSW of Issaquah, Washington · 19659 days ago · 21 km deep · 48 km away
  24. 2.07 km NE of Quilcene, Washington · 19655 days ago · 46 km deep · 27 km away
  25. 1.57 km WNW of Bangor Trident Base, Washington · 19654 days ago · -1 km deep · 15 km away
  26. 1.57 km NE of Brinnon, Washington · 19654 days ago · -1 km deep · 14 km away
  27. 1.75 km SW of Verlot, Washington · 19654 days ago · -1 km deep · 80 km away
  28. 2.12 km NW of Clear Lake, Washington · 19652 days ago · 22 km deep · 100 km away
  29. 3.66 km ENE of Belfair, Washington · 19651 days ago · 15 km deep · 18 km away
  30. 1.910 km E of Carnation, Washington · 19650 days ago · 10 km deep · 70 km away
  31. 3.927 km S of Port Angeles East, Washington · 19648 days ago · 43 km deep · 59 km away
  32. 3.24 km SE of Kingston, Washington · 19648 days ago · 20 km deep · 23 km away
  33. 1.76 km S of Port Hadlock-Irondale, Washington · 19647 days ago · 29 km deep · 38 km away
  34. 1.87 km ESE of Riverbend, Washington · 19645 days ago · -1 km deep · 82 km away
  35. 2.72 km SW of Southworth, Washington · 19644 days ago · 27 km deep · 20 km away

Before

  1. 2.40 km NE of Esperance, Washington · 19703 days ago · 19 km deep · 32 km away
  2. 2.516 km SE of Carbonado, Washington · 19704 days ago · 7 km deep · 95 km away
  3. 2.213 km WSW of Greenwater, Washington · 19705 days ago · 8 km deep · 89 km away
  4. 1.67 km S of Port Hadlock-Irondale, Washington · 19709 days ago · 15 km deep · 37 km away
  5. 3.12 km SSE of Big Lake, Washington · 19711 days ago · 18 km deep · 90 km away
  6. 2.05 km W of Belfair, Washington · 19714 days ago · 24 km deep · 25 km away
  7. 2.89 km SE of Blyn, Washington · 19719 days ago · 41 km deep · 40 km away
  8. 1.91 km NNW of Issaquah, Washington · 19719 days ago · 19 km deep · 51 km away
  9. 2.13 km NW of Gorst, Washington · 19723 days ago · -1 km deep · 9 km away
  10. 1.64 km N of Bonney Lake, Washington · 19726 days ago · 12 km deep · 61 km away
  11. 2.25 km NW of Snoqualmie Pass, Washington · 19730 days ago · 1 km deep · 97 km away
  12. 2.56 km S of Seabeck, Washington · 19732 days ago · 17 km deep · 11 km away
  13. 1.86 km WSW of Shoreline, Washington · 19732 days ago · 22 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10854413. Read Tue, Sep 22, 2026, 7:05 AM UTC.