Washington earthquakes

M1.6 earthquake 1 km NW of Duvall, Washington

A magnitude 1.6 earthquake struck 1 km NW of Duvall, Washington on Sun, Dec 9, 1973, 5:39 AM PST (13:39 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M3.1 6 km SSE of Quilcene, Washington. This one was a foreshock.

Duvall 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
1.6 (md), micro
Local time
UTC
1973-12-09 13:39:09 UTC
Depth
22.7 km (14.1 mi), shallow
Epicenter
47.750° N, 121.998° 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 4.9 km horizontally, 2.8 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
198°, poorly surrounded by stations
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: 24 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.81 km ENE of Parkwood, Washington · 19286 days ago · 25 km deep · 50 km away
  2. 2.00 km S of Seattle, Washington · 19281 days ago · 0 km deep · 30 km away
  3. 2.90 km E of Seattle, Washington · 19281 days ago · 2 km deep · 29 km away
  4. 2.00 km N of Seattle, Washington · 19281 days ago · -1 km deep · 30 km away
  5. 1.65 km SW of Seattle, Washington · 19281 days ago · 1 km deep · 34 km away
  6. 1.93 km SSW of Clinton, Washington · 19281 days ago · 23 km deep · 36 km away
  7. 1.63 km SW of Seattle, Washington · 19280 days ago · 1 km deep · 33 km away
  8. 1.70 km SW of Seattle, Washington · 19279 days ago · -1 km deep · 30 km away
  9. 1.515 km E of Lake Marcel-Stillwater, Washington · 19272 days ago · 15 km deep · 22 km away
  10. 2.31 km NNW of Lake Marcel-Stillwater, Washington · 19270 days ago · 23 km deep · 7 km away
  11. 2.40 km NE of Mercer Island, Washington · 19270 days ago · 20 km deep · 25 km away
  12. 1.83 km WSW of Seattle, Washington · 19270 days ago · -1 km deep · 33 km away
  13. 1.90 km NW of Seattle, Washington · 19269 days ago · -1 km deep · 30 km away
  14. 1.73 km SW of Seattle, Washington · 19269 days ago · 1 km deep · 33 km away
  15. 2.83 km SW of Marrowstone, Washington · 19266 days ago · 45 km deep · 62 km away
  16. 1.72 km NW of Lakeland South, Washington · 19262 days ago · 16 km deep · 55 km away
  17. 1.75 km NNE of Startup, Washington · 19260 days ago · 7 km deep · 28 km away
  18. 3.16 km SSE of Quilcene, Washington · 19258 days ago · 48 km deep · 63 km away
  19. 2.05 km NE of Belfair, Washington · 19258 days ago · 16 km deep · 66 km away
  20. 1.97 km ENE of Fall City, Washington · 19257 days ago · 6 km deep · 22 km away
  21. 1.78 km ENE of Tanner, Washington · 19255 days ago · 10 km deep · 39 km away
  22. 1.811 km WNW of Snoqualmie Pass, Washington · 19253 days ago · 0 km deep · 50 km away
  23. 1.72 km E of Seattle, Washington · 19230 days ago · 4 km deep · 27 km away
  24. 1.84 km SSE of Seattle, Washington · 19230 days ago · 8 km deep · 30 km away

Before

  1. 2.47 km SE of Quilcene, Washington · 19286 days ago · 20 km deep · 61 km away
  2. 1.92 km E of City of Sammamish, Washington · 19288 days ago · 8 km deep · 16 km away
  3. 2.415 km NE of Ashford, Washington · 19291 days ago · 4 km deep · 98 km away
  4. 1.92 km NNW of Hunts Point, Washington · 19294 days ago · 0 km deep · 21 km away
  5. 1.87 km SW of Sultan, Washington · 19295 days ago · 8 km deep · 11 km away
  6. 1.92 km SE of Lake Marcel-Stillwater, Washington · 19297 days ago · 24 km deep · 11 km away
  7. 1.61 km WNW of Auburn, Washington · 19300 days ago · 3 km deep · 52 km away
  8. 1.81 km ESE of Dash Point, Washington · 19304 days ago · 3 km deep · 57 km away
  9. 1.83 km NW of Home, Washington · 19305 days ago · 42 km deep · 78 km away
  10. 1.93 km S of Seattle, Washington · 19306 days ago · 2 km deep · 31 km away
  11. 2.90 km S of Seattle, Washington · 19306 days ago · -1 km deep · 30 km away
  12. 2.02 km SSE of Coupeville, Washington · 19316 days ago · 32 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10840288. Read Mon, Sep 28, 2026, 7:46 PM UTC.