Washington earthquakes

M1.8 earthquake 7 km NW of Belfair, Washington

A magnitude 1.8 earthquake struck 7 km NW of Belfair, Washington on Wed, Oct 12, 1983, 3:30 AM PDT (10:30 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.3 6 km W of Skokomish, Washington. This one was a foreshock.

Belfair 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
1983-10-12 10:30:16 UTC
Depth
17.2 km (10.7 mi), shallow
Epicenter
47.491° N, 122.899° 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 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
86°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.53 km WSW of Chico, Washington · 15688 days ago · 12 km deep · 16 km away
  2. 2.310 km NNW of Belfair, Washington · 15687 days ago · 21 km deep · 5 km away
  3. 1.58 km NW of Greenwater, Washington · 15685 days ago · -1 km deep · 94 km away
  4. 1.71 km NNW of Snoqualmie, Washington · 15681 days ago · 1 km deep · 80 km away
  5. 2.02 km NNW of Lakeland South, Washington · 15676 days ago · 13 km deep · 50 km away
  6. 4.36 km W of Skokomish, Washington · 15671 days ago · 43 km deep · 31 km away
  7. 1.71 km NNE of Union Hill-Novelty Hill, Washington · 15670 days ago · 10 km deep · 69 km away
  8. 1.55 km SW of Hansville, Washington · 15670 days ago · 21 km deep · 49 km away
  9. 1.8Washington · 15665 days ago · 24 km deep · 81 km away
  10. 1.65 km NE of Mirrormont, Washington · 15660 days ago · 15 km deep · 72 km away
  11. 1.94 km NNW of Bryn Mawr-Skyway, Washington · 15655 days ago · 11 km deep · 47 km away
  12. 1.73 km NNW of White Center, Washington · 15654 days ago · 21 km deep · 40 km away
  13. 2.07 km NE of Lofall, Washington · 15654 days ago · 19 km deep · 47 km away
  14. 1.51 km SE of Coupeville, Washington · 15648 days ago · 20 km deep · 82 km away
  15. 2.36 km SE of Black Diamond, Washington · 15644 days ago · 14 km deep · 75 km away
  16. 1.98 km NNE of Lake Marcel-Stillwater, Washington · 15642 days ago · -1 km deep · 83 km away
  17. 1.67 km S of River Road, Washington · 15642 days ago · 0 km deep · 60 km away
  18. 1.51 km NE of Quilcene, Washington · 15642 days ago · 4 km deep · 38 km away
  19. 2.17 km SSW of La Conner, Washington · 15641 days ago · 17 km deep · 97 km away
  20. 1.612 km SW of Seabeck, Washington · 15640 days ago · 12 km deep · 8 km away
  21. 2.31 km E of Clyde Hill, Washington · 15636 days ago · 24 km deep · 55 km away
  22. 1.94 km NNW of Aberdeen, Washington · 15632 days ago · 32 km deep · 88 km away

Before

  1. 1.917 km SE of Carbonado, Washington · 15696 days ago · -1 km deep · 96 km away
  2. 1.52 km NE of Woods Creek, Washington · 15696 days ago · 12 km deep · 89 km away
  3. 3.05 km WNW of Wilderness Rim, Washington · 15698 days ago · 21 km deep · 80 km away
  4. 1.85 km E of Granite Falls, Washington · 15698 days ago · -1 km deep · 100 km away
  5. 2.04 km S of Des Moines, Washington · 15698 days ago · 13 km deep · 45 km away
  6. 1.62 km WNW of Keyport, Washington · 15699 days ago · 23 km deep · 30 km away
  7. 1.914 km SW of Alder, Washington · 15699 days ago · -1 km deep · 93 km away
  8. 1.99 km SE of Riverbend, Washington · 15701 days ago · 2 km deep · 94 km away
  9. 1.61 km N of Normandy Park, Washington · 15703 days ago · 17 km deep · 43 km away
  10. 2.72 km W of Rosedale, Washington · 15704 days ago · 27 km deep · 24 km away
  11. 1.712 km NE of Snoqualmie, Washington · 15706 days ago · 12 km deep · 88 km away
  12. 1.82 km E of Granite Falls, Washington · 15716 days ago · -1 km deep · 98 km away
  13. 1.91 km NNE of Lake Roesiger, Washington · 15718 days ago · 11 km deep · 92 km away
  14. 2.211 km ESE of Carbonado, Washington · 15718 days ago · 18 km deep · 90 km away
  15. 2.05 km W of Coupeville, Washington · 15719 days ago · 22 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10167613. Read Sat, Sep 26, 2026, 6:37 PM UTC.