Washington earthquakes

M1.8 earthquake 7 km SW of Sultan, Washington

A magnitude 1.8 earthquake struck 7 km SW of Sultan, Washington on Fri, Nov 30, 1973, 10:39 AM PST (18:39 UTC), 8 km (5 mi) below the surface.

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

Sultan 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
1.8 (md), micro
Local time
UTC
1973-11-30 18:39:16 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
47.805° N, 121.875° 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 6.0 km horizontally
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
179°
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: 26 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.92 km NNW of Hunts Point, Washington · 19293 days ago · 0 km deep · 32 km away
  2. 1.92 km E of City of Sammamish, Washington · 19287 days ago · 8 km deep · 24 km away
  3. 2.47 km SE of Quilcene, Washington · 19284 days ago · 20 km deep · 70 km away
  4. 1.61 km NW of Duvall, Washington · 19284 days ago · 23 km deep · 11 km away
  5. 1.81 km ENE of Parkwood, Washington · 19284 days ago · 25 km deep · 61 km away
  6. 2.00 km S of Seattle, Washington · 19279 days ago · 0 km deep · 41 km away
  7. 2.90 km E of Seattle, Washington · 19279 days ago · 2 km deep · 40 km away
  8. 2.00 km N of Seattle, Washington · 19279 days ago · -1 km deep · 41 km away
  9. 1.65 km SW of Seattle, Washington · 19279 days ago · 1 km deep · 46 km away
  10. 1.93 km SSW of Clinton, Washington · 19279 days ago · 23 km deep · 40 km away
  11. 1.63 km SW of Seattle, Washington · 19278 days ago · 1 km deep · 44 km away
  12. 1.70 km SW of Seattle, Washington · 19277 days ago · -1 km deep · 41 km away
  13. 1.515 km E of Lake Marcel-Stillwater, Washington · 19270 days ago · 15 km deep · 17 km away
  14. 2.31 km NNW of Lake Marcel-Stillwater, Washington · 19268 days ago · 23 km deep · 11 km away
  15. 2.40 km NE of Mercer Island, Washington · 19268 days ago · 20 km deep · 36 km away
  16. 1.83 km WSW of Seattle, Washington · 19268 days ago · -1 km deep · 44 km away
  17. 1.90 km NW of Seattle, Washington · 19268 days ago · -1 km deep · 41 km away
  18. 1.73 km SW of Seattle, Washington · 19267 days ago · 1 km deep · 44 km away
  19. 2.83 km SW of Marrowstone, Washington · 19264 days ago · 45 km deep · 67 km away
  20. 1.72 km NW of Lakeland South, Washington · 19261 days ago · 16 km deep · 65 km away
  21. 1.75 km NNE of Startup, Washington · 19258 days ago · 7 km deep · 17 km away
  22. 3.16 km SSE of Quilcene, Washington · 19256 days ago · 48 km deep · 72 km away
  23. 2.05 km NE of Belfair, Washington · 19256 days ago · 16 km deep · 77 km away
  24. 1.97 km ENE of Fall City, Washington · 19255 days ago · 6 km deep · 23 km away
  25. 1.78 km ENE of Tanner, Washington · 19253 days ago · 10 km deep · 38 km away
  26. 1.811 km WNW of Snoqualmie Pass, Washington · 19251 days ago · 0 km deep · 50 km away

Before

  1. 1.92 km SE of Lake Marcel-Stillwater, Washington · 19295 days ago · 24 km deep · 14 km away
  2. 1.61 km WNW of Auburn, Washington · 19298 days ago · 3 km deep · 61 km away
  3. 1.81 km ESE of Dash Point, Washington · 19302 days ago · 3 km deep · 67 km away
  4. 1.83 km NW of Home, Washington · 19303 days ago · 42 km deep · 89 km away
  5. 1.93 km S of Seattle, Washington · 19305 days ago · 2 km deep · 42 km away
  6. 2.90 km S of Seattle, Washington · 19305 days ago · -1 km deep · 41 km away
  7. 1.813 km NNE of Concrete, Washington · 19312 days ago · -1 km deep · 96 km away
  8. 2.02 km SSE of Coupeville, Washington · 19314 days ago · 32 km deep · 73 km away
  9. 2.44 km WSW of Wilderness Rim, Washington · 19315 days ago · 19 km deep · 42 km away
  10. 1.91 km NNW of Lake Marcel-Stillwater, Washington · 19316 days ago · 4 km deep · 12 km away
  11. 1.95 km ESE of Alger, Washington · 19316 days ago · 14 km deep · 92 km away
  12. 2.10 km SW of Oak Harbor, Washington · 19317 days ago · 16 km deep · 79 km away
  13. 2.17 km ESE of Lake Marcel-Stillwater, Washington · 19317 days ago · 14 km deep · 15 km away
  14. 1.93 km ESE of Seattle, Washington · 19320 days ago · 3 km deep · 39 km away
  15. 1.53 km SW of Seattle, Washington · 19320 days ago · 1 km deep · 44 km away
  16. 2.30 km N of Seattle, Washington · 19320 days ago · -1 km deep · 40 km away
  17. 3.00 km SE of Seattle, Washington · 19320 days ago · 4 km deep · 41 km away
  18. 1.61 km WNW of Puyallup, Washington · 19321 days ago · 23 km deep · 76 km away
  19. 1.814 km E of Carnation, Washington · 19322 days ago · 8 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10857823. Read Sat, Sep 26, 2026, 11:11 PM UTC.