Washington earthquakes

M1.6 earthquake 2 km WNW of Keyport, Washington

A magnitude 1.6 earthquake struck 2 km WNW of Keyport, Washington on Tue, Oct 4, 1983, 12:06 AM PDT (07:06 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.0 4 km S of Des Moines, Washington. This one was a foreshock.

Keyport 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
1983-10-04 07:06:48 UTC
Depth
23.0 km (14.3 mi), shallow
Epicenter
47.706° N, 122.649° 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 0.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
106°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.04 km S of Des Moines, Washington · 15694 days ago · 13 km deep · 45 km away
  2. 1.85 km E of Granite Falls, Washington · 15694 days ago · -1 km deep · 70 km away
  3. 3.05 km WNW of Wilderness Rim, Washington · 15694 days ago · 21 km deep · 67 km away
  4. 1.52 km NE of Woods Creek, Washington · 15692 days ago · 12 km deep · 62 km away
  5. 2.29 km NNW of Lake Cavanaugh, Washington · 15688 days ago · -1 km deep · 90 km away
  6. 2.36 km WNW of Edison, Washington · 15687 days ago · 5 km deep · 99 km away
  7. 1.87 km NW of Belfair, Washington · 15686 days ago · 17 km deep · 30 km away
  8. 1.89 km ESE of Verlot, Washington · 15684 days ago · 3 km deep · 82 km away
  9. 1.53 km WSW of Chico, Washington · 15684 days ago · 12 km deep · 14 km away
  10. 2.310 km NNW of Belfair, Washington · 15683 days ago · 21 km deep · 25 km away
  11. 1.63 km S of Mount Vernon, Washington · 15682 days ago · 15 km deep · 79 km away
  12. 1.58 km NW of Greenwater, Washington · 15681 days ago · -1 km deep · 89 km away
  13. 2.36 km WSW of Lake Cavanaugh, Washington · 15680 days ago · 11 km deep · 78 km away
  14. 1.71 km NNW of Snoqualmie, Washington · 15677 days ago · 1 km deep · 64 km away
  15. 2.02 km NNW of Lakeland South, Washington · 15672 days ago · 13 km deep · 52 km away
  16. 4.36 km W of Skokomish, Washington · 15667 days ago · 43 km deep · 61 km away
  17. 1.71 km NNE of Union Hill-Novelty Hill, Washington · 15667 days ago · 10 km deep · 47 km away
  18. 1.55 km SW of Hansville, Washington · 15666 days ago · 21 km deep · 21 km away
  19. 2.45 km WSW of Lake Cavanaugh, Washington · 15666 days ago · 6 km deep · 79 km away
  20. 2.13 km ENE of May Creek, Washington · 15663 days ago · 10 km deep · 78 km away
  21. 1.8Washington · 15661 days ago · 24 km deep · 59 km away
  22. 1.65 km NE of Mirrormont, Washington · 15656 days ago · 15 km deep · 58 km away
  23. 1.94 km NNW of Bryn Mawr-Skyway, Washington · 15651 days ago · 11 km deep · 34 km away
  24. 1.73 km NNW of White Center, Washington · 15650 days ago · 21 km deep · 28 km away
  25. 2.07 km NE of Lofall, Washington · 15650 days ago · 19 km deep · 18 km away
  26. 1.55 km NNE of Bryant, Washington · 15646 days ago · 15 km deep · 75 km away
  27. 1.51 km SE of Coupeville, Washington · 15644 days ago · 20 km deep · 56 km away
  28. 2.36 km SE of Black Diamond, Washington · 15640 days ago · 14 km deep · 72 km away
  29. 2.210 km ENE of Verlot, Washington · 15638 days ago · 13 km deep · 88 km away
  30. 1.98 km NNE of Lake Marcel-Stillwater, Washington · 15638 days ago · -1 km deep · 59 km away
  31. 1.67 km S of River Road, Washington · 15638 days ago · 0 km deep · 50 km away
  32. 1.51 km NE of Quilcene, Washington · 15638 days ago · 4 km deep · 21 km away
  33. 2.17 km SSW of La Conner, Washington · 15637 days ago · 17 km deep · 70 km away
  34. 2.3Washington · 15636 days ago · 19 km deep · 86 km away
  35. 1.612 km SW of Seabeck, Washington · 15636 days ago · 12 km deep · 27 km away

Before

  1. 1.54 km SE of Oak Bay, Canada · 15697 days ago · 40 km deep · 91 km away
  2. 1.99 km SE of Riverbend, Washington · 15697 days ago · 2 km deep · 81 km away
  3. 1.98 km SSE of Metchosin, Canada · 15697 days ago · 19 km deep · 92 km away
  4. 1.61 km N of Normandy Park, Washington · 15699 days ago · 17 km deep · 37 km away
  5. 2.72 km W of Rosedale, Washington · 15700 days ago · 27 km deep · 41 km away
  6. 1.712 km NE of Snoqualmie, Washington · 15702 days ago · 12 km deep · 69 km away
  7. 1.82 km E of Granite Falls, Washington · 15712 days ago · -1 km deep · 68 km away
  8. 1.91 km NNE of Lake Roesiger, Washington · 15714 days ago · 11 km deep · 63 km away
  9. 2.211 km ESE of Carbonado, Washington · 15715 days ago · 18 km deep · 93 km away
  10. 2.05 km W of Coupeville, Washington · 15715 days ago · 22 km deep · 59 km away
  11. 1.81 km WNW of Lake Roesiger, Washington · 15718 days ago · 13 km deep · 61 km away
  12. 1.95 km WNW of Tumwater, Washington · 15722 days ago · -1 km deep · 80 km away
  13. 2.65 km SSW of Hansville, Washington · 15724 days ago · 22 km deep · 19 km away
  14. 1.82 km W of Coupeville, Washington · 15724 days ago · 23 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10165353. Read Tue, Sep 22, 2026, 8:37 PM UTC.