Washington earthquakes

M1.6 earthquake 3 km SE of Seattle, Washington

A magnitude 1.6 earthquake struck 3 km SE of Seattle, Washington on Tue, Oct 16, 1973, 11:35 PM PDT (06:35 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M1.9 0 km NE of Seattle, 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
1.6 (md), micro
Local time
UTC
1973-10-17 06:35:35 UTC
Depth
0.7 km (0.4 mi), shallow
Epicenter
47.585° N, 122.290° 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, 1.5 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
89°
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: 39 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 1.57 km WNW of Gorst, Washington · 19331 days ago · 20 km deep · 38 km away
  2. 1.51 km SE of Seattle, Washington · 19330 days ago · -1 km deep · 2 km away
  3. 1.90 km NE of Seattle, Washington · 19330 days ago · 0 km deep · 4 km away
  4. 1.92 km NNE of Normandy Park, Washington · 19329 days ago · 19 km deep · 15 km away
  5. 1.50 km N of Seattle, Washington · 19327 days ago · 1 km deep · 4 km away
  6. 2.60 km NNE of Seattle, Washington · 19325 days ago · 0 km deep · 4 km away
  7. 1.76 km E of Issaquah, Washington · 19325 days ago · 10 km deep · 26 km away
  8. 2.10 km NNE of Seattle, Washington · 19320 days ago · 1 km deep · 4 km away
  9. 1.814 km E of Carnation, Washington · 19318 days ago · 8 km deep · 43 km away
  10. 1.61 km WNW of Puyallup, Washington · 19316 days ago · 23 km deep · 44 km away
  11. 3.00 km SE of Seattle, Washington · 19316 days ago · 4 km deep · 3 km away
  12. 2.30 km N of Seattle, Washington · 19316 days ago · -1 km deep · 5 km away
  13. 1.53 km SW of Seattle, Washington · 19316 days ago · 1 km deep · 6 km away
  14. 1.93 km ESE of Seattle, Washington · 19316 days ago · 3 km deep · 2 km away
  15. 2.17 km ESE of Lake Marcel-Stillwater, Washington · 19312 days ago · 14 km deep · 37 km away
  16. 2.10 km SW of Oak Harbor, Washington · 19312 days ago · 16 km deep · 82 km away
  17. 1.91 km NNW of Lake Marcel-Stillwater, Washington · 19311 days ago · 4 km deep · 30 km away
  18. 2.44 km WSW of Wilderness Rim, Washington · 19311 days ago · 19 km deep · 39 km away
  19. 2.02 km SSE of Coupeville, Washington · 19309 days ago · 32 km deep · 74 km away
  20. 2.90 km S of Seattle, Washington · 19300 days ago · -1 km deep · 4 km away
  21. 1.93 km S of Seattle, Washington · 19300 days ago · 2 km deep · 3 km away
  22. 1.83 km NW of Home, Washington · 19298 days ago · 42 km deep · 50 km away
  23. 1.81 km ESE of Dash Point, Washington · 19297 days ago · 3 km deep · 31 km away
  24. 1.61 km WNW of Auburn, Washington · 19293 days ago · 3 km deep · 31 km away
  25. 1.92 km SE of Lake Marcel-Stillwater, Washington · 19290 days ago · 24 km deep · 32 km away
  26. 1.87 km SW of Sultan, Washington · 19289 days ago · 8 km deep · 40 km away
  27. 1.92 km NNW of Hunts Point, Washington · 19288 days ago · 0 km deep · 10 km away
  28. 2.415 km NE of Ashford, Washington · 19284 days ago · 4 km deep · 85 km away
  29. 1.92 km E of City of Sammamish, Washington · 19282 days ago · 8 km deep · 22 km away
  30. 2.47 km SE of Quilcene, Washington · 19280 days ago · 20 km deep · 44 km away
  31. 1.61 km NW of Duvall, Washington · 19280 days ago · 23 km deep · 29 km away
  32. 1.81 km ENE of Parkwood, Washington · 19279 days ago · 25 km deep · 23 km away
  33. 2.812 km NE of Ashford, Washington · 19278 days ago · 8 km deep · 88 km away
  34. 2.00 km S of Seattle, Washington · 19275 days ago · 0 km deep · 4 km away
  35. 2.90 km E of Seattle, Washington · 19275 days ago · 2 km deep · 3 km away
  36. 2.00 km N of Seattle, Washington · 19275 days ago · -1 km deep · 4 km away
  37. 1.65 km SW of Seattle, Washington · 19275 days ago · 1 km deep · 6 km away
  38. 1.93 km SSW of Clinton, Washington · 19274 days ago · 23 km deep · 41 km away
  39. 1.63 km SW of Seattle, Washington · 19273 days ago · 1 km deep · 6 km away

Before

  1. 1.65 km SW of Seattle, Washington · 19335 days ago · 1 km deep · 8 km away
  2. 1.64 km S of Lake Cavanaugh, Washington · 19336 days ago · 13 km deep · 81 km away
  3. 1.85 km NNW of White Center, Washington · 19337 days ago · 0 km deep · 6 km away
  4. 2.60 km ENE of Seattle, Washington · 19338 days ago · 1 km deep · 4 km away
  5. 2.81 km ENE of Seattle, Washington · 19338 days ago · 2 km deep · 3 km away
  6. 1.70 km SE of Seattle, Washington · 19339 days ago · 1 km deep · 3 km away
  7. 1.56 km WNW of Shelton, Washington · 19340 days ago · 12 km deep · 77 km away
  8. 2.50 km NNW of Seattle, Washington · 19340 days ago · -1 km deep · 4 km away
  9. 1.66 km SW of Woodway, Washington · 19340 days ago · 21 km deep · 22 km away
  10. 2.31 km ESE of Seattle, Washington · 19340 days ago · 1 km deep · 2 km away
  11. 1.71 km SW of Seattle, Washington · 19341 days ago · 1 km deep · 5 km away
  12. 2.82 km W of Medina, Washington · 19342 days ago · 4 km deep · 4 km away
  13. 1.64 km W of Medina, Washington · 19342 days ago · 0 km deep · 4 km away
  14. 1.80 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 6 km away
  15. 1.82 km WNW of Medina, Washington · 19342 days ago · -1 km deep · 5 km away
  16. 1.71 km W of Medina, Washington · 19342 days ago · -1 km deep · 5 km away
  17. 2.52 km W of Medina, Washington · 19342 days ago · -1 km deep · 4 km away
  18. 2.43 km W of Medina, Washington · 19342 days ago · 2 km deep · 4 km away
  19. 2.81 km NW of Seattle, Washington · 19343 days ago · -1 km deep · 5 km away
  20. 1.9Puget Sound region, Washington · 19343 days ago · 1 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10857563. Read Tue, Sep 22, 2026, 6:26 AM UTC.