Washington earthquakes

M2.1 earthquake 3 km ENE of Seabeck, Washington

A magnitude 2.1 earthquake struck 3 km ENE of Seabeck, Washington on Sun, Apr 22, 1973, 9:22 PM PST (05:22 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M2.6 2 km SSE of DuPont, Washington. This one was a foreshock.

Seabeck 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
1973-04-23 05:22:30 UTC
Depth
22.2 km (13.8 mi), shallow
Epicenter
47.646° N, 122.782° 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 0.8 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
140°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.62 km SSE of DuPont, Washington · 19510 days ago · 26 km deep · 64 km away
  2. 2.14 km ESE of Kingston, Washington · 19504 days ago · 21 km deep · 29 km away
  3. 1.64 km NNW of Gorst, Washington · 19503 days ago · 23 km deep · 10 km away
  4. 1.80 km SSW of Mercer Island, Washington · 19503 days ago · 22 km deep · 43 km away
  5. 2.64 km ENE of Allyn, Washington · 19502 days ago · 8 km deep · 27 km away
  6. 1.711 km WNW of Ault Field, Washington · 19501 days ago · 23 km deep · 81 km away
  7. 1.97 km ESE of Quilcene, Washington · 19496 days ago · 15 km deep · 18 km away
  8. 2.66 km SSW of Hansville, Washington · 19494 days ago · 21 km deep · 28 km away
  9. 1.80 km ENE of White Center, Washington · 19491 days ago · 27 km deep · 35 km away
  10. 2.213 km SSW of Gold Bar, Washington · 19490 days ago · 3 km deep · 78 km away
  11. 1.83 km NE of Redmond, Washington · 19489 days ago · 15 km deep · 52 km away
  12. 2.03 km ESE of Issaquah, Washington · 19485 days ago · 3 km deep · 61 km away
  13. 2.07 km ESE of Carnation, Washington · 19484 days ago · 6 km deep · 73 km away
  14. 2.42 km E of Yarrow Point, Washington · 19477 days ago · -1 km deep · 45 km away
  15. 1.81 km E of Yarrow Point, Washington · 19477 days ago · -1 km deep · 44 km away
  16. 2.23 km E of Ravensdale, Washington · 19477 days ago · 21 km deep · 71 km away
  17. 2.812 km E of Wilkeson, Washington · 19475 days ago · 17 km deep · 92 km away
  18. 1.95 km NW of Dash Point, Washington · 19473 days ago · 12 km deep · 40 km away
  19. 2.34 km ESE of La Conner, Washington · 19473 days ago · 11 km deep · 85 km away
  20. 1.84 km SSE of Freeland, Washington · 19471 days ago · 54 km deep · 42 km away
  21. 1.93 km NE of Big Lake, Washington · 19470 days ago · 18 km deep · 97 km away
  22. 1.838 km NW of Hoodsport, Washington · 19469 days ago · 45 km deep · 50 km away
  23. 3.36 km ENE of Fall City, Washington · 19464 days ago · 5 km deep · 73 km away
  24. 1.93 km WSW of Wilderness Rim, Washington · 19462 days ago · 18 km deep · 77 km away
  25. 1.53 km WSW of Hansville, Washington · 19462 days ago · -1 km deep · 32 km away
  26. 1.93 km WSW of Wauna, Washington · 19462 days ago · 25 km deep · 31 km away
  27. 1.91 km SSE of Newcastle, Washington · 19462 days ago · -1 km deep · 49 km away
  28. 3.024 km WSW of Brinnon, Washington · 19459 days ago · 49 km deep · 33 km away
  29. 2.05 km N of Ruston, Washington · 19458 days ago · 19 km deep · 40 km away
  30. 1.63 km SW of Brinnon, Washington · 19456 days ago · 43 km deep · 11 km away

Before

  1. 1.71 km SSE of Indianola, Washington · 19511 days ago · 29 km deep · 22 km away
  2. 2.21 km N of Issaquah, Washington · 19514 days ago · 20 km deep · 58 km away
  3. 2.02 km S of Wilderness Rim, Washington · 19516 days ago · 18 km deep · 80 km away
  4. 1.93 km SW of Wilderness Rim, Washington · 19518 days ago · 18 km deep · 77 km away
  5. 3.77 km W of Lofall, Washington · 19521 days ago · 50 km deep · 20 km away
  6. 2.00 km SSE of Clyde Hill, Washington · 19521 days ago · 24 km deep · 43 km away
  7. 2.38 km E of Hobart, Washington · 19526 days ago · 9 km deep · 73 km away
  8. 2.14 km SW of Erlands Point-Kitsap Lake, Washington · 19527 days ago · 25 km deep · 8 km away
  9. 1.76 km SE of Maplewood, Washington · 19532 days ago · 20 km deep · 38 km away
  10. 1.711 km W of Shelton, Washington · 19535 days ago · 41 km deep · 61 km away
  11. 1.93 km ENE of McKenna, Washington · 19539 days ago · 31 km deep · 81 km away
  12. 2.43 km NNE of Dash Point, Washington · 19540 days ago · 24 km deep · 43 km away
  13. 1.93 km W of Hansville, Washington · 19541 days ago · 5 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10856113. Read Wed, Sep 23, 2026, 4:19 AM UTC.