Washington earthquakes

M2.0 earthquake 9 km E of Orcas, Washington

A magnitude 2.0 earthquake struck 9 km E of Orcas, Washington on Mon, Apr 23, 1984, 4:40 AM PST (12:40 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.6 4 km NNW of Verlot, 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
2.0 (md), micro
Local time
UTC
1984-04-23 12:40:18 UTC
Depth
5.9 km (3.6 mi), shallow
Epicenter
48.604° N, 122.818° 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 1.0 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
65°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.73 km S of Alger, Washington · 15496 days ago · 18 km deep · 36 km away
  2. 1.96 km SSE of Concrete, Washington · 15493 days ago · 3 km deep · 83 km away
  3. 1.66 km NW of Burlington, Washington · 15492 days ago · 18 km deep · 33 km away
  4. 1.94 km SSW of River Road, Washington · 15489 days ago · -1 km deep · 69 km away
  5. 1.74 km E of Granite Falls, Washington · 15486 days ago · -1 km deep · 88 km away
  6. 2.19 km NNW of Carlsborg, Washington · 15484 days ago · 40 km deep · 58 km away
  7. 2.05 km ENE of Anacortes, Washington · 15482 days ago · 17 km deep · 22 km away
  8. 2.14 km E of Machias, Washington · 15477 days ago · 7 km deep · 92 km away
  9. 1.74 km WNW of Orcas, Washington · 15474 days ago · 15 km deep · 14 km away
  10. 2.116 km S of Glacier, Washington · 15471 days ago · -1 km deep · 67 km away
  11. 1.6Washington · 15471 days ago · -1 km deep · 66 km away
  12. 2.115 km W of Quilcene, Washington · 15470 days ago · 46 km deep · 87 km away
  13. 2.1Washington-British Columbia border region · 15467 days ago · 17 km deep · 41 km away
  14. 2.211 km NNE of Hamilton, Washington · 15462 days ago · 2 km deep · 64 km away
  15. 1.69 km N of Hamilton, Washington · 15462 days ago · -1 km deep · 61 km away
  16. 2.64 km NNW of Verlot, Washington · 15460 days ago · 14 km deep · 91 km away
  17. 1.61 km SSE of Friday Harbor, Washington · 15460 days ago · 49 km deep · 17 km away
  18. 2.05 km WNW of Sedro-Woolley, Washington · 15459 days ago · 13 km deep · 39 km away
  19. 1.65 km NW of Sedro-Woolley, Washington · 15459 days ago · 31 km deep · 40 km away
  20. 1.51 km ENE of West Lake Stevens, Washington · 15458 days ago · 58 km deep · 86 km away
  21. 1.72 km NNW of Alger, Washington · 15455 days ago · 12 km deep · 34 km away
  22. 2.03 km NNW of North Saanich, Canada · 15455 days ago · 21 km deep · 47 km away
  23. 2.15 km N of Burlington, Washington · 15452 days ago · 15 km deep · 38 km away
  24. 1.64 km W of Lynden, Washington · 15451 days ago · 17 km deep · 45 km away
  25. 2.66 km SE of Edison, Washington · 15447 days ago · 9 km deep · 33 km away
  26. 2.25 km ENE of Bay View, Washington · 15445 days ago · 14 km deep · 32 km away
  27. 2.36 km W of Rockport, Washington · 15445 days ago · 2 km deep · 85 km away
  28. 2.016 km W of Coupeville, Washington · 15439 days ago · 46 km deep · 41 km away
  29. 1.86 km NW of Bangor Trident Base, Washington · 15439 days ago · 13 km deep · 93 km away

Before

  1. 1.72 km SSW of Everett, Washington · 15502 days ago · 26 km deep · 84 km away
  2. 1.57 km NE of Verlot, Washington · 15505 days ago · -1 km deep · 97 km away
  3. 2.35 km NW of Orcas, Washington · 15510 days ago · 17 km deep · 13 km away
  4. 1.510 km S of Swede Heaven, Washington · 15516 days ago · 14 km deep · 93 km away
  5. 2.34 km WSW of Coupeville, Washington · 15521 days ago · 24 km deep · 45 km away
  6. 1.67 km ESE of Oso, Washington · 15528 days ago · -1 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10174683. Read Tue, Sep 29, 2026, 3:53 AM UTC.