Washington earthquakes

M1.6 earthquake 5 km NW of Sedro-Woolley, Washington

A magnitude 1.6 earthquake struck 5 km NW of Sedro-Woolley, Washington on Sat, Jun 2, 1984, 4:14 AM PDT (11:14 UTC), 31 km (19 mi) below the surface.

A larger quake followed: M2.9 9 km N of Lyman, Washington. This one was a foreshock.

Sedro-Woolley 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1984-06-02 11:14:24 UTC
Depth
31.1 km (19.3 mi), shallow
Epicenter
48.542° N, 122.282° 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 2.1 km horizontally, 4.2 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
196°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.51 km ENE of West Lake Stevens, Washington · 15462 days ago · 58 km deep · 62 km away
  2. 1.72 km NNW of Alger, Washington · 15460 days ago · 12 km deep · 12 km away
  3. 2.03 km NNW of North Saanich, Canada · 15460 days ago · 21 km deep · 87 km away
  4. 2.15 km N of Burlington, Washington · 15457 days ago · 15 km deep · 4 km away
  5. 1.64 km W of Lynden, Washington · 15455 days ago · 17 km deep · 49 km away
  6. 2.66 km SE of Edison, Washington · 15451 days ago · 9 km deep · 9 km away
  7. 2.25 km ENE of Bay View, Washington · 15449 days ago · 14 km deep · 10 km away
  8. 2.36 km W of Rockport, Washington · 15449 days ago · 2 km deep · 45 km away
  9. 1.92 km SW of Redmond, Washington · 15446 days ago · 2 km deep · 99 km away
  10. 2.016 km W of Coupeville, Washington · 15444 days ago · 46 km deep · 57 km away
  11. 1.86 km NW of Bangor Trident Base, Washington · 15443 days ago · 13 km deep · 94 km away
  12. 1.830 km ENE of Glacier, Washington · 15441 days ago · 4 km deep · 73 km away
  13. 1.65 km NNW of North Sultan, Washington · 15432 days ago · 11 km deep · 76 km away
  14. 2.16 km NNW of Freeland, Washington · 15432 days ago · 29 km deep · 57 km away
  15. 2.03 km SSE of Swede Heaven, Washington · 15432 days ago · -1 km deep · 52 km away
  16. 1.93 km SSW of Swede Heaven, Washington · 15431 days ago · 2 km deep · 51 km away
  17. 2.99 km N of Lyman, Washington · 15425 days ago · 2 km deep · 18 km away
  18. 1.73 km ENE of Granite Falls, Washington · 15425 days ago · 1 km deep · 57 km away
  19. 1.98 km ESE of Quilcene, Washington · 15425 days ago · 22 km deep · 90 km away
  20. 1.54 km S of Everson, Washington · 15423 days ago · 15 km deep · 38 km away
  21. 2.48 km N of Lyman, Washington · 15422 days ago · 0 km deep · 18 km away
  22. 2.76 km WSW of Shoreline, Washington · 15411 days ago · 21 km deep · 90 km away
  23. 2.218 km NE of Ganges, Canada · 15410 days ago · 55 km deep · 91 km away
  24. 2.018 km N of Index, Washington · 15407 days ago · 1 km deep · 84 km away
  25. 2.219 km NNE of Index, Washington · 15406 days ago · 2 km deep · 85 km away

Before

  1. 2.05 km WNW of Sedro-Woolley, Washington · 15463 days ago · 13 km deep · 2 km away
  2. 1.61 km SSE of Friday Harbor, Washington · 15464 days ago · 49 km deep · 54 km away
  3. 2.64 km NNW of Verlot, Washington · 15465 days ago · 14 km deep · 58 km away
  4. 1.69 km N of Hamilton, Washington · 15467 days ago · -1 km deep · 23 km away
  5. 2.211 km NNE of Hamilton, Washington · 15467 days ago · 2 km deep · 26 km away
  6. 2.1Washington-British Columbia border region · 15471 days ago · 17 km deep · 71 km away
  7. 2.115 km W of Quilcene, Washington · 15474 days ago · 46 km deep · 98 km away
  8. 1.6Washington · 15476 days ago · -1 km deep · 34 km away
  9. 2.116 km S of Glacier, Washington · 15476 days ago · -1 km deep · 34 km away
  10. 1.74 km WNW of Orcas, Washington · 15478 days ago · 15 km deep · 54 km away
  11. 2.14 km E of Machias, Washington · 15482 days ago · 7 km deep · 66 km away
  12. 2.05 km ENE of Anacortes, Washington · 15486 days ago · 17 km deep · 20 km away
  13. 2.19 km NNW of Carlsborg, Washington · 15489 days ago · 40 km deep · 82 km away
  14. 1.74 km E of Granite Falls, Washington · 15491 days ago · -1 km deep · 57 km away
  15. 1.514 km ENE of Lake Marcel-Stillwater, Washington · 15492 days ago · 27 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10174803. Read Sat, Oct 3, 2026, 7:50 PM UTC.