Washington earthquakes

M1.8 earthquake 3 km NW of Home, Washington

A magnitude 1.8 earthquake struck 3 km NW of Home, Washington on Tue, Nov 20, 1973, 11:00 PM PST (07:00 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M3.1 6 km SSE of Quilcene, 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
1.8 (md), micro
Local time
UTC
1973-11-21 07:00:36 UTC
Depth
41.6 km (25.8 mi), shallow
Epicenter
47.297° N, 122.798° 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, 2.3 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
146°
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: 33 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.81 km ESE of Dash Point, Washington · 19304 days ago · 3 km deep · 30 km away
  2. 1.61 km WNW of Auburn, Washington · 19300 days ago · 3 km deep · 42 km away
  3. 1.92 km SE of Lake Marcel-Stillwater, Washington · 19297 days ago · 24 km deep · 80 km away
  4. 1.87 km SW of Sultan, Washington · 19295 days ago · 8 km deep · 89 km away
  5. 1.92 km NNW of Hunts Point, Washington · 19294 days ago · 0 km deep · 58 km away
  6. 2.415 km NE of Ashford, Washington · 19291 days ago · 4 km deep · 82 km away
  7. 1.85 km SSE of Mossyrock, Washington · 19289 days ago · 8 km deep · 94 km away
  8. 1.92 km E of City of Sammamish, Washington · 19288 days ago · 8 km deep · 69 km away
  9. 2.47 km SE of Quilcene, Washington · 19286 days ago · 20 km deep · 52 km away
  10. 1.61 km NW of Duvall, Washington · 19286 days ago · 23 km deep · 78 km away
  11. 1.81 km ENE of Parkwood, Washington · 19286 days ago · 25 km deep · 31 km away
  12. 2.812 km NE of Ashford, Washington · 19285 days ago · 8 km deep · 84 km away
  13. 2.00 km S of Seattle, Washington · 19281 days ago · 0 km deep · 49 km away
  14. 2.90 km E of Seattle, Washington · 19281 days ago · 2 km deep · 50 km away
  15. 2.00 km N of Seattle, Washington · 19281 days ago · -1 km deep · 49 km away
  16. 1.65 km SW of Seattle, Washington · 19281 days ago · 1 km deep · 44 km away
  17. 1.93 km SSW of Clinton, Washington · 19281 days ago · 23 km deep · 79 km away
  18. 1.63 km SW of Seattle, Washington · 19280 days ago · 1 km deep · 46 km away
  19. 1.70 km SW of Seattle, Washington · 19279 days ago · -1 km deep · 48 km away
  20. 1.515 km E of Lake Marcel-Stillwater, Washington · 19272 days ago · 15 km deep · 92 km away
  21. 2.31 km NNW of Lake Marcel-Stillwater, Washington · 19270 days ago · 23 km deep · 80 km away
  22. 2.40 km NE of Mercer Island, Washington · 19270 days ago · 20 km deep · 54 km away
  23. 1.83 km WSW of Seattle, Washington · 19270 days ago · -1 km deep · 46 km away
  24. 1.90 km NW of Seattle, Washington · 19269 days ago · -1 km deep · 49 km away
  25. 1.73 km SW of Seattle, Washington · 19269 days ago · 1 km deep · 46 km away
  26. 2.83 km SW of Marrowstone, Washington · 19266 days ago · 45 km deep · 81 km away
  27. 2.110 km NE of Ashford, Washington · 19264 days ago · 11 km deep · 82 km away
  28. 1.72 km NW of Lakeland South, Washington · 19263 days ago · 16 km deep · 37 km away
  29. 3.16 km SSE of Quilcene, Washington · 19258 days ago · 48 km deep · 52 km away
  30. 2.05 km NE of Belfair, Washington · 19258 days ago · 16 km deep · 20 km away
  31. 1.97 km ENE of Fall City, Washington · 19257 days ago · 6 km deep · 82 km away
  32. 1.78 km ENE of Tanner, Washington · 19255 days ago · 10 km deep · 90 km away
  33. 1.811 km WNW of Snoqualmie Pass, Washington · 19253 days ago · 0 km deep · 95 km away

Before

  1. 1.93 km S of Seattle, Washington · 19307 days ago · 2 km deep · 47 km away
  2. 2.90 km S of Seattle, Washington · 19307 days ago · -1 km deep · 49 km away
  3. 2.44 km WSW of Wilderness Rim, Washington · 19317 days ago · 19 km deep · 75 km away
  4. 1.91 km NNW of Lake Marcel-Stillwater, Washington · 19318 days ago · 4 km deep · 80 km away
  5. 2.17 km ESE of Lake Marcel-Stillwater, Washington · 19319 days ago · 14 km deep · 85 km away
  6. 1.93 km ESE of Seattle, Washington · 19322 days ago · 3 km deep · 51 km away
  7. 1.53 km SW of Seattle, Washington · 19322 days ago · 1 km deep · 46 km away
  8. 2.30 km N of Seattle, Washington · 19322 days ago · -1 km deep · 50 km away
  9. 3.00 km SE of Seattle, Washington · 19322 days ago · 4 km deep · 49 km away
  10. 1.61 km WNW of Puyallup, Washington · 19323 days ago · 23 km deep · 39 km away
  11. 1.814 km E of Carnation, Washington · 19324 days ago · 8 km deep · 90 km away
  12. 2.10 km NNE of Seattle, Washington · 19326 days ago · 1 km deep · 49 km away
  13. 1.76 km E of Issaquah, Washington · 19331 days ago · 10 km deep · 69 km away
  14. 2.60 km NNE of Seattle, Washington · 19331 days ago · 0 km deep · 50 km away
  15. 1.50 km N of Seattle, Washington · 19334 days ago · 1 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10857788. Read Mon, Sep 28, 2026, 8:50 PM UTC.