Washington earthquakes

M2.1 earthquake 2 km SSE of Three Lakes, Washington

A magnitude 2.1 earthquake struck 2 km SSE of Three Lakes, Washington on Sat, Jul 20, 1991, 7:35 PM PDT (02:35 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.2 4 km SSE of Bethel, 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
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-07-21 02:35:30 UTC
Depth
3.3 km (2.0 mi), shallow
Epicenter
47.926° N, 121.993° 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 0.5 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
97°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.69 km ESE of Riverbend, Washington · 12857 days ago · 8 km deep · 62 km away
  2. 1.54 km SW of Fall City, Washington · 12855 days ago · 19 km deep · 44 km away
  3. 3.24 km SSE of Bethel, Washington · 12854 days ago · 24 km deep · 69 km away
  4. 2.14 km NNW of Hamilton, Washington · 12852 days ago · -1 km deep · 70 km away
  5. 1.74 km SW of Sultan, Washington · 12848 days ago · 17 km deep · 15 km away
  6. 1.71 km E of Edmonds, Washington · 12848 days ago · 21 km deep · 30 km away
  7. 2.21 km WSW of Belfair, Washington · 12844 days ago · 0 km deep · 83 km away
  8. 2.03 km WNW of Maple Valley, Washington · 12841 days ago · 5 km deep · 59 km away
  9. 1.56 km ESE of Alger, Washington · 12834 days ago · -1 km deep · 77 km away
  10. 1.55 km NE of Marrowstone, Washington · 12830 days ago · 26 km deep · 51 km away
  11. 2.517 km S of Glacier, Washington · 12830 days ago · -1 km deep · 90 km away
  12. 2.021 km ESE of Darrington, Washington · 12830 days ago · 0 km deep · 60 km away
  13. 2.022 km E of Darrington, Washington · 12829 days ago · 0 km deep · 61 km away
  14. 2.33 km W of Wauna, Washington · 12827 days ago · 20 km deep · 80 km away
  15. 2.21 km NNW of Lake Roesiger, Washington · 12825 days ago · 11 km deep · 9 km away
  16. 1.85 km E of Belfair, Washington · 12824 days ago · 45 km deep · 78 km away
  17. 1.91 km NW of Lake Roesiger, Washington · 12823 days ago · 11 km deep · 8 km away
  18. 1.81 km N of Lake Roesiger, Washington · 12822 days ago · 11 km deep · 9 km away
  19. 1.98 km SSE of Coupeville, Washington · 12822 days ago · 20 km deep · 54 km away
  20. 2.25 km ESE of Alger, Washington · 12821 days ago · 2 km deep · 78 km away
  21. 1.73 km SW of Tacoma, Washington · 12819 days ago · 49 km deep · 85 km away
  22. 1.724 km NNE of Concrete, Washington · 12818 days ago · -1 km deep · 95 km away
  23. 2.01 km NW of Lake Roesiger, Washington · 12817 days ago · 11 km deep · 8 km away
  24. 1.53 km SSW of Des Moines, Washington · 12813 days ago · 18 km deep · 67 km away
  25. 1.63 km SE of Lake Marcel-Stillwater, WA · 12809 days ago · 7 km deep · 29 km away
  26. 2.01 km SE of Erlands Point-Kitsap Lake, Washington · 12809 days ago · 5 km deep · 64 km away
  27. 1.84 km NW of Marrowstone, Washington · 12808 days ago · 53 km deep · 57 km away
  28. 2.06 km ESE of Alger, Washington · 12807 days ago · 8 km deep · 77 km away
  29. 1.60 km ENE of Erlands Point-Kitsap Lake, Washington · 12807 days ago · 2 km deep · 64 km away
  30. 2.20 km SE of Erlands Point-Kitsap Lake, Washington · 12805 days ago · 2 km deep · 64 km away
  31. 2.618 km SSE of Marblemount, Washington · 12805 days ago · 9 km deep · 69 km away
  32. 2.114 km SW of Baring, Washington · 12803 days ago · 10 km deep · 38 km away
  33. 1.70 km S of Erlands Point-Kitsap Lake, Washington · 12802 days ago · 5 km deep · 65 km away
  34. 2.41 km ESE of Erlands Point-Kitsap Lake, Washington · 12802 days ago · 2 km deep · 64 km away
  35. 1.90 km SE of Erlands Point-Kitsap Lake, Washington · 12802 days ago · 3 km deep · 64 km away
  36. 1.74 km NE of White Center, Washington · 12800 days ago · 27 km deep · 49 km away

Before

  1. 1.55 km ENE of Enumclaw, Washington · 12864 days ago · 16 km deep · 78 km away
  2. 2.22 km ENE of Yarrow Point, Washington · 12864 days ago · 0 km deep · 33 km away
  3. 2.54 km NE of Enumclaw, Washington · 12865 days ago · 16 km deep · 77 km away
  4. 1.71 km NNE of Yarrow Point, Washington · 12866 days ago · 11 km deep · 34 km away
  5. 2.66 km WNW of Bangor Trident Base, Washington · 12870 days ago · 23 km deep · 62 km away
  6. 1.51 km E of Clyde Hill, Washington · 12874 days ago · 23 km deep · 36 km away
  7. 1.91 km ESE of Clyde Hill, Washington · 12874 days ago · 25 km deep · 36 km away
  8. 1.82 km NW of Poulsbo, Washington · 12875 days ago · 50 km deep · 55 km away
  9. 2.11 km E of Clyde Hill, Washington · 12876 days ago · 24 km deep · 36 km away
  10. 2.21 km ESE of Esperance, Washington · 12878 days ago · 22 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10280758. Read Fri, Oct 2, 2026, 1:56 PM UTC.