Washington earthquakes

M1.6 earthquake 7 km S of River Road, Washington

A magnitude 1.6 earthquake struck 7 km S of River Road, Washington on Tue, Nov 29, 1983, 4:30 PM PST (00:30 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.1 7 km SSW of La Conner, 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
1983-11-30 00:30:39 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
48.006° N, 123.147° 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
±0.10
Depth from
Operator assigned
Station coverage gap
140°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.51 km NE of Quilcene, Washington · 15638 days ago · 4 km deep · 28 km away
  2. 2.17 km SSW of La Conner, Washington · 15637 days ago · 17 km deep · 59 km away
  3. 2.3Washington · 15636 days ago · 19 km deep · 71 km away
  4. 1.612 km SW of Seabeck, Washington · 15636 days ago · 12 km deep · 53 km away
  5. 1.55 km N of Sedro-Woolley, Washington · 15634 days ago · -1 km deep · 91 km away
  6. 2.31 km E of Clyde Hill, Washington · 15632 days ago · 24 km deep · 82 km away
  7. 1.54 km NE of Conway, Washington · 15626 days ago · 5 km deep · 75 km away
  8. 1.62 km SSW of Bay View, Washington · 15621 days ago · 18 km deep · 71 km away
  9. 1.61 km SW of Bay View, Washington · 15621 days ago · 16 km deep · 71 km away
  10. 1.84 km E of Granite Falls, Washington · 15619 days ago · -1 km deep · 92 km away
  11. 2.22 km NNE of Redmond, Washington · 15610 days ago · 15 km deep · 85 km away
  12. 1.75 km SW of Mount Vernon, Washington · 15610 days ago · 18 km deep · 71 km away
  13. 2.83 km N of Bainbridge Island, Washington · 15603 days ago · 18 km deep · 61 km away
  14. 1.92 km NNE of Kent, Washington · 15601 days ago · 38 km deep · 96 km away
  15. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 15601 days ago · -1 km deep · 99 km away
  16. 1.57 km SSE of Quilcene, Washington · 15599 days ago · 50 km deep · 36 km away
  17. 1.81 km WNW of Lake Forest Park, Washington · 15599 days ago · 16 km deep · 69 km away
  18. 1.54 km NE of Granite Falls, Washington · 15597 days ago · 12 km deep · 92 km away
  19. 1.83 km N of Bainbridge Island, Washington · 15596 days ago · 18 km deep · 61 km away
  20. 2.38 km WNW of Friday Harbor, Washington · 15588 days ago · 51 km deep · 62 km away
  21. 1.63 km NNW of Gorst, Washington · 15583 days ago · 14 km deep · 60 km away
  22. 2.31 km SSW of Navy Yard City, Washington · 15581 days ago · 21 km deep · 63 km away
  23. 1.65 km NNE of Lake Roesiger, Washington · 15580 days ago · 15 km deep · 93 km away

Before

  1. 1.98 km NNE of Lake Marcel-Stillwater, Washington · 15638 days ago · -1 km deep · 99 km away
  2. 1.51 km SE of Coupeville, Washington · 15644 days ago · 20 km deep · 42 km away
  3. 1.55 km NNE of Bryant, Washington · 15646 days ago · 15 km deep · 82 km away
  4. 2.07 km NE of Lofall, Washington · 15650 days ago · 19 km deep · 44 km away
  5. 1.73 km NNW of White Center, Washington · 15650 days ago · 21 km deep · 77 km away
  6. 1.94 km NNW of Bryn Mawr-Skyway, Washington · 15651 days ago · 11 km deep · 84 km away
  7. 1.8Washington · 15661 days ago · 24 km deep · 32 km away
  8. 1.87 km WNW of Orcas, Washington · 15665 days ago · 13 km deep · 69 km away
  9. 2.37 km WNW of Orcas, Washington · 15666 days ago · 18 km deep · 69 km away
  10. 2.45 km WSW of Lake Cavanaugh, Washington · 15666 days ago · 6 km deep · 85 km away
  11. 1.67 km WNW of Orcas, Washington · 15666 days ago · 16 km deep · 69 km away
  12. 1.55 km SW of Hansville, Washington · 15666 days ago · 21 km deep · 42 km away
  13. 1.71 km NNE of Union Hill-Novelty Hill, Washington · 15667 days ago · 10 km deep · 91 km away
  14. 4.36 km W of Skokomish, Washington · 15667 days ago · 43 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10170778. Read Tue, Sep 22, 2026, 9:18 PM UTC.