Washington earthquakes

M1.8 earthquake 4 km E of Granite Falls, Washington

A magnitude 1.8 earthquake struck 4 km E of Granite Falls, Washington on Sun, Dec 18, 1983, 4:18 PM PST (00:18 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.4 17 km NE of May Creek, Washington. This one was a foreshock.

Granite Falls 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
1983-12-19 00:18:25 UTC
Depth
-0.9 km (-0.5 mi), shallow
Epicenter
48.090° N, 121.911° 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, 0.2 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
108°
Stations used
19

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 20 in the 30 days before it.

After

  1. 2.417 km NE of May Creek, Washington · 15610 days ago · 4 km deep · 31 km away
  2. 2.22 km NNE of Redmond, Washington · 15610 days ago · 15 km deep · 47 km away
  3. 1.75 km SW of Mount Vernon, Washington · 15610 days ago · 18 km deep · 49 km away
  4. 2.83 km N of Bainbridge Island, Washington · 15603 days ago · 18 km deep · 66 km away
  5. 1.92 km NNE of Kent, Washington · 15601 days ago · 38 km deep · 80 km away
  6. 1.69 km NNE of Lake Marcel-Stillwater, Washington · 15601 days ago · -1 km deep · 36 km away
  7. 2.02 km SW of Hamilton, Washington · 15600 days ago · -1 km deep · 47 km away
  8. 1.57 km SSE of Quilcene, Washington · 15599 days ago · 50 km deep · 78 km away
  9. 1.81 km WNW of Lake Forest Park, Washington · 15599 days ago · 16 km deep · 47 km away
  10. 1.54 km NE of Granite Falls, Washington · 15597 days ago · 12 km deep · 2 km away
  11. 1.83 km N of Bainbridge Island, Washington · 15596 days ago · 18 km deep · 66 km away
  12. 1.638 km NNW of Leavenworth, Washington · 15593 days ago · 12 km deep · 83 km away
  13. 1.72 km SSE of Fall City, Washington · 15590 days ago · -1 km deep · 60 km away
  14. 2.16 km WSW of Swede Heaven, Washington · 15586 days ago · -1 km deep · 21 km away
  15. 1.632 km NNW of Leavenworth, Washington · 15584 days ago · 6 km deep · 89 km away
  16. 1.63 km NNW of Gorst, Washington · 15583 days ago · 14 km deep · 85 km away
  17. 2.31 km SSW of Navy Yard City, Washington · 15581 days ago · 21 km deep · 84 km away
  18. 1.65 km NNE of Lake Roesiger, Washington · 15580 days ago · 15 km deep · 7 km away
  19. 1.81 km ESE of Enetai, Washington · 15576 days ago · 29 km deep · 76 km away
  20. 1.818 km ESE of Darrington, Washington · 15574 days ago · 10 km deep · 42 km away
  21. 1.72 km SSE of Fall City, Washington · 15572 days ago · -1 km deep · 60 km away
  22. 1.74 km WSW of Erlands Point-Kitsap Lake, Washington · 15572 days ago · 13 km deep · 85 km away
  23. 1.90 km SE of Clyde Hill, Washington · 15570 days ago · 19 km deep · 56 km away
  24. 2.115 km SW of Snoqualmie Pass, Washington · 15563 days ago · 5 km deep · 90 km away
  25. 2.37 km SSE of Sultan, Washington · 15560 days ago · 4 km deep · 34 km away
  26. 2.03 km SW of Duvall, Washington · 15559 days ago · 8 km deep · 42 km away

Before

  1. 1.65 km E of Tanner, Washington · 15621 days ago · -1 km deep · 72 km away
  2. 1.61 km SW of Bay View, Washington · 15621 days ago · 16 km deep · 61 km away
  3. 1.62 km SSW of Bay View, Washington · 15621 days ago · 18 km deep · 60 km away
  4. 3.01 km N of Black Diamond, Washington · 15621 days ago · 12 km deep · 86 km away
  5. 1.54 km NE of Conway, Washington · 15626 days ago · 5 km deep · 43 km away
  6. 1.80 km NNE of Ferndale, Washington · 15626 days ago · 19 km deep · 98 km away
  7. 2.31 km E of Clyde Hill, Washington · 15632 days ago · 24 km deep · 55 km away
  8. 1.55 km N of Sedro-Woolley, Washington · 15634 days ago · -1 km deep · 57 km away
  9. 1.72 km N of Deming, Washington · 15636 days ago · 21 km deep · 87 km away
  10. 2.22 km NW of Deming, Washington · 15636 days ago · 1 km deep · 87 km away
  11. 1.612 km SW of Seabeck, Washington · 15636 days ago · 12 km deep · 97 km away
  12. 2.3Washington · 15636 days ago · 19 km deep · 61 km away
  13. 2.17 km SSW of La Conner, Washington · 15637 days ago · 17 km deep · 52 km away
  14. 1.51 km NE of Quilcene, Washington · 15638 days ago · 4 km deep · 77 km away
  15. 1.67 km S of River Road, Washington · 15638 days ago · 0 km deep · 92 km away
  16. 1.98 km NNE of Lake Marcel-Stillwater, Washington · 15638 days ago · -1 km deep · 36 km away
  17. 2.210 km ENE of Verlot, Washington · 15638 days ago · 13 km deep · 20 km away
  18. 2.36 km SE of Black Diamond, Washington · 15640 days ago · 14 km deep · 92 km away
  19. 1.51 km SE of Coupeville, Washington · 15645 days ago · 20 km deep · 58 km away
  20. 1.55 km NNE of Bryant, Washington · 15646 days ago · 15 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10171678. Read Tue, Sep 22, 2026, 9:30 PM UTC.