Washington earthquakes

M1.9 earthquake 0 km NW of Seattle, Washington

A magnitude 1.9 earthquake struck 0 km NW of Seattle, Washington on Wed, Dec 26, 1973, 3:40 AM PST (11:40 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.8 3 km SW of Marrowstone, 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
1.9 (md), micro
Local time
UTC
1973-12-26 11:40:56 UTC
Depth
-0.6 km (-0.4 mi), shallow
Epicenter
47.611° N, 122.339° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
111°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 1.73 km SW of Seattle, Washington · 19263 days ago · 1 km deep · 4 km away
  2. 2.83 km SW of Marrowstone, Washington · 19260 days ago · 45 km deep · 54 km away
  3. 2.110 km NE of Ashford, Washington · 19257 days ago · 11 km deep · 91 km away
  4. 1.72 km NW of Lakeland South, Washington · 19256 days ago · 16 km deep · 35 km away
  5. 1.75 km NNE of Startup, Washington · 19254 days ago · 7 km deep · 58 km away
  6. 3.16 km SSE of Quilcene, Washington · 19252 days ago · 48 km deep · 41 km away
  7. 2.05 km NE of Belfair, Washington · 19251 days ago · 16 km deep · 36 km away
  8. 1.97 km ENE of Fall City, Washington · 19250 days ago · 6 km deep · 40 km away
  9. 1.78 km ENE of Tanner, Washington · 19248 days ago · 10 km deep · 54 km away
  10. 1.811 km WNW of Snoqualmie Pass, Washington · 19246 days ago · 0 km deep · 63 km away
  11. 1.91 km W of La Grande, Washington · 19232 days ago · 5 km deep · 86 km away
  12. 1.72 km E of Seattle, Washington · 19223 days ago · 4 km deep · 3 km away
  13. 1.84 km SSE of Seattle, Washington · 19223 days ago · 8 km deep · 5 km away
  14. 1.54 km NNW of Skokomish, Washington · 19219 days ago · 42 km deep · 69 km away
  15. 2.13 km N of Bryn Mawr-Skyway, Washington · 19216 days ago · 6 km deep · 12 km away
  16. 1.83 km S of Mercer Island, Washington · 19216 days ago · 11 km deep · 12 km away
  17. 1.82 km WSW of Eastmont, Washington · 19203 days ago · 8 km deep · 32 km away

Before

  1. 1.83 km WSW of Seattle, Washington · 19263 days ago · -1 km deep · 3 km away
  2. 2.40 km NE of Mercer Island, Washington · 19264 days ago · 20 km deep · 10 km away
  3. 2.31 km NNW of Lake Marcel-Stillwater, Washington · 19264 days ago · 23 km deep · 33 km away
  4. 1.515 km E of Lake Marcel-Stillwater, Washington · 19265 days ago · 15 km deep · 48 km away
  5. 1.70 km SW of Seattle, Washington · 19272 days ago · -1 km deep · 1 km away
  6. 1.63 km SW of Seattle, Washington · 19273 days ago · 1 km deep · 3 km away
  7. 1.93 km SSW of Clinton, Washington · 19274 days ago · 23 km deep · 38 km away
  8. 1.65 km SW of Seattle, Washington · 19275 days ago · 1 km deep · 5 km away
  9. 2.00 km N of Seattle, Washington · 19275 days ago · -1 km deep · 1 km away
  10. 2.90 km E of Seattle, Washington · 19275 days ago · 2 km deep · 1 km away
  11. 2.00 km S of Seattle, Washington · 19275 days ago · 0 km deep · 1 km away
  12. 2.812 km NE of Ashford, Washington · 19278 days ago · 8 km deep · 91 km away
  13. 1.81 km ENE of Parkwood, Washington · 19279 days ago · 25 km deep · 20 km away
  14. 1.61 km NW of Duvall, Washington · 19280 days ago · 23 km deep · 30 km away
  15. 2.47 km SE of Quilcene, Washington · 19280 days ago · 20 km deep · 39 km away
  16. 1.92 km E of City of Sammamish, Washington · 19282 days ago · 8 km deep · 25 km away
  17. 2.415 km NE of Ashford, Washington · 19284 days ago · 4 km deep · 89 km away
  18. 1.92 km NNW of Hunts Point, Washington · 19288 days ago · 0 km deep · 9 km away
  19. 1.87 km SW of Sultan, Washington · 19288 days ago · 8 km deep · 41 km away
  20. 1.92 km SE of Lake Marcel-Stillwater, Washington · 19290 days ago · 24 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10857998. Read Tue, Sep 22, 2026, 5:16 AM UTC.