Washington earthquakes

M2.2 earthquake 7 km WNW of Orcas, Washington

A magnitude 2.2 earthquake struck 7 km WNW of Orcas, Washington on Sat, Aug 27, 1983, 11:15 PM PDT (06:15 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.9 11 km W of Port Ludlow, 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
2.2 (md), micro
Local time
UTC
1983-08-28 06:15:27 UTC
Depth
14.3 km (8.9 mi), shallow
Epicenter
48.620° N, 123.039° 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 2.3 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
186°, poorly surrounded by stations
Stations used
13

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 4 in the 30 days before it.

After

  1. 3.911 km W of Port Ludlow, Washington · 15731 days ago · 51 km deep · 78 km away
  2. 2.62 km SSE of Tulalip Bay, Washington · 15731 days ago · 14 km deep · 86 km away
  3. 2.03 km NNE of Camano, Washington · 15727 days ago · 23 km deep · 60 km away
  4. 1.55 km W of Coupeville, Washington · 15725 days ago · 17 km deep · 50 km away
  5. 1.82 km W of Coupeville, Washington · 15724 days ago · 23 km deep · 51 km away
  6. 2.65 km SSW of Hansville, Washington · 15724 days ago · 22 km deep · 90 km away
  7. 2.29 km SSW of Everson, Washington · 15719 days ago · 12 km deep · 54 km away
  8. 2.05 km W of Coupeville, Washington · 15715 days ago · 22 km deep · 48 km away
  9. 2.17 km NW of Lyman, Washington · 15701 days ago · 19 km deep · 67 km away
  10. 1.98 km SSE of Metchosin, Canada · 15697 days ago · 19 km deep · 47 km away
  11. 1.54 km SE of Oak Bay, Canada · 15697 days ago · 40 km deep · 28 km away
  12. 2.46 km ENE of Deming, Washington · 15696 days ago · 1 km deep · 71 km away
  13. 2.16 km ENE of Deming, Washington · 15696 days ago · 2 km deep · 71 km away
  14. 2.37 km S of Kendall, Washington · 15695 days ago · 1 km deep · 72 km away
  15. 1.92 km SW of Alger, Washington · 15694 days ago · 62 km deep · 50 km away
  16. 2.29 km NNW of Lake Cavanaugh, Washington · 15688 days ago · -1 km deep · 76 km away
  17. 2.36 km WNW of Edison, Washington · 15687 days ago · 5 km deep · 39 km away
  18. 1.712 km NNW of Concrete, Washington · 15684 days ago · -1 km deep · 89 km away
  19. 1.63 km S of Mount Vernon, Washington · 15682 days ago · 15 km deep · 58 km away
  20. 1.710 km NNW of Six Mile, Canada · 15681 days ago · 26 km deep · 35 km away
  21. 2.36 km WSW of Lake Cavanaugh, Washington · 15680 days ago · 11 km deep · 77 km away
  22. 2.48 km NW of Friday Harbor, Washington · 15680 days ago · 51 km deep · 6 km away
  23. 2.17 km WNW of Orcas, Washington · 15675 days ago · 15 km deep · 0 km away
  24. 1.56 km NNE of Orcas, Washington · 15675 days ago · 12 km deep · 10 km away
  25. 1.99 km WNW of Orcas, Washington · 15674 days ago · 10 km deep · 2 km away
  26. 2.28 km WNW of Orcas, Washington · 15673 days ago · 14 km deep · 2 km away

Before

  1. 2.711 km WNW of Coupeville, Washington · 15740 days ago · 8 km deep · 42 km away
  2. 1.54 km W of Coupeville, Washington · 15753 days ago · 17 km deep · 50 km away
  3. 1.75 km WSW of Coupeville, Washington · 15755 days ago · 20 km deep · 51 km away
  4. 1.76 km WNW of La Conner, Washington · 15755 days ago · 22 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10162813. Read Tue, Sep 22, 2026, 6:53 PM UTC.