Washington earthquakes

M1.8 earthquake 5 km S of Seabeck, Washington

A magnitude 1.8 earthquake struck 5 km S of Seabeck, Washington on Mon, Aug 21, 2000, 1:38 AM PDT (08:38 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M3.6 11 km WNW of Quilcene, Washington. This one was a foreshock.

Seabeck 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
2000-08-21 08:38:43 UTC
Depth
20.5 km (12.7 mi), shallow
Epicenter
47.591° N, 122.829° 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 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
58°
Stations used
21

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 13 in the 30 days before it.

After

  1. 2.612 km W of Quilcene, Washington · 9536 days ago · 44 km deep · 32 km away
  2. 1.54 km E of Lofall, Washington · 9536 days ago · 19 km deep · 30 km away
  3. 1.72 km E of Granite Falls, Washington · 9536 days ago · -1 km deep · 86 km away
  4. 1.52 km SE of Lake Marcel-Stillwater, Washington · 9534 days ago · 7 km deep · 71 km away
  5. 1.76 km S of Seabeck, Washington · 9533 days ago · 20 km deep · 1 km away
  6. 1.74 km W of Gorst, Washington · 9522 days ago · 0 km deep · 9 km away
  7. 1.61 km SSE of Lake Marcel-Stillwater, Washington · 9521 days ago · 22 km deep · 70 km away
  8. 1.63 km ENE of Granite Falls, Washington · 9520 days ago · -1 km deep · 88 km away
  9. 1.50 km NNW of Everett, Washington · 9520 days ago · 15 km deep · 64 km away
  10. 3.28 km ESE of Oak Bay, Canada · 9516 days ago · 49 km deep · 96 km away
  11. 1.83 km SSW of Lake Roesiger, Washington · 9515 days ago · 8 km deep · 78 km away
  12. 2.02 km WNW of Des Moines, Washington · 9507 days ago · 17 km deep · 41 km away
  13. 1.52 km WNW of Des Moines, Washington · 9507 days ago · 15 km deep · 41 km away
  14. 2.02 km W of Des Moines, Washington · 9507 days ago · 17 km deep · 41 km away
  15. 1.54 km NE of Granite Falls, Washington · 9505 days ago · -1 km deep · 89 km away
  16. 1.92 km NE of Parkwood, Washington · 9504 days ago · 47 km deep · 19 km away
  17. 1.93 km E of Granite Falls, Washington · 9503 days ago · -1 km deep · 87 km away
  18. 2.21 km NNE of Bell Hill, Washington · 9503 days ago · 47 km deep · 56 km away
  19. 2.47 km SSE of Quilcene, Washington · 9502 days ago · 26 km deep · 19 km away
  20. 2.11 km NE of Hoodsport, Washington · 9501 days ago · -1 km deep · 29 km away
  21. 1.70 km NE of Maple Valley, Washington · 9501 days ago · 14 km deep · 63 km away
  22. 1.52 km NNE of Granite Falls, Washington · 9501 days ago · -1 km deep · 87 km away
  23. 1.94 km NNE of Port Townsend, Washington · 9499 days ago · 17 km deep · 63 km away
  24. 2.04 km SW of Hansville, Washington · 9498 days ago · 16 km deep · 38 km away
  25. 1.83 km ENE of Granite Falls, Washington · 9486 days ago · -1 km deep · 88 km away
  26. 2.510 km SW of Quilcene, Washington · 9484 days ago · 49 km deep · 23 km away
  27. 2.14 km SW of Inglewood-Finn Hill, Washington · 9482 days ago · 4 km deep · 43 km away
  28. 3.611 km WNW of Quilcene, Washington · 9481 days ago · 50 km deep · 32 km away · felt by 25
  29. 2.710 km NE of Blyn, Washington · 9481 days ago · 56 km deep · 56 km away

Before

  1. 1.510 km SSW of Sultan, Washington · 9536 days ago · 7 km deep · 76 km away
  2. 1.62 km SW of Lynnwood, Washington · 9536 days ago · 17 km deep · 44 km away
  3. 2.22 km ENE of Silver Firs, Washington · 9542 days ago · 28 km deep · 61 km away
  4. 1.88 km NNE of Lake Marcel-Stillwater, Washington · 9543 days ago · 7 km deep · 75 km away
  5. 1.62 km ENE of Keyport, WA · 9550 days ago · 17 km deep · 22 km away
  6. 2.06 km S of Seabeck, WA · 9552 days ago · 19 km deep · 0 km away
  7. 2.25 km ENE of Fall City, Washington · 9555 days ago · 16 km deep · 75 km away
  8. 1.64 km NE of Redmond, Washington · 9556 days ago · 18 km deep · 57 km away
  9. 1.74 km ENE of Hansville, Washington · 9556 days ago · 17 km deep · 45 km away
  10. 1.94 km SW of Mount Vernon, Washington · 9556 days ago · 16 km deep · 95 km away
  11. 1.62 km S of DuPont, Washington · 9557 days ago · 39 km deep · 59 km away
  12. 2.70 km NNE of Riverbend, Washington · 9557 days ago · 17 km deep · 82 km away
  13. 1.64 km NE of Bonney Lake, Washington · 9565 days ago · 12 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10508798. Read Wed, Sep 30, 2026, 9:38 AM UTC.