Washington earthquakes

M1.5 earthquake 1 km E of Clyde Hill, Washington

A magnitude 1.5 earthquake struck 1 km E of Clyde Hill, Washington on Thu, Jul 4, 1991, 6:02 AM PDT (13:02 UTC), 23 km (15 mi) below the surface.

A larger quake followed: M3.2 4 km SSE of Bethel, Washington. This one was a foreshock.

Clyde Hill 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1991-07-04 13:02:38 UTC
Depth
23.5 km (14.6 mi), shallow
Epicenter
47.629° N, 122.196° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
54°
Stations used
30

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 10 in the 30 days before it.

After

  1. 2.66 km WNW of Bangor Trident Base, Washington · 12870 days ago · 23 km deep · 47 km away
  2. 1.71 km NNE of Yarrow Point, Washington · 12865 days ago · 11 km deep · 4 km away
  3. 2.54 km NE of Enumclaw, Washington · 12864 days ago · 16 km deep · 48 km away
  4. 2.22 km ENE of Yarrow Point, Washington · 12864 days ago · 0 km deep · 3 km away
  5. 1.55 km ENE of Enumclaw, Washington · 12863 days ago · 16 km deep · 49 km away
  6. 2.12 km SSE of Three Lakes, Washington · 12857 days ago · 3 km deep · 36 km away
  7. 1.69 km ESE of Riverbend, Washington · 12856 days ago · 8 km deep · 48 km away
  8. 1.54 km SW of Fall City, Washington · 12855 days ago · 19 km deep · 23 km away
  9. 3.24 km SSE of Bethel, Washington · 12853 days ago · 24 km deep · 36 km away
  10. 2.310 km ENE of Ashford, Washington · 12849 days ago · 6 km deep · 97 km away
  11. 1.74 km SW of Sultan, Washington · 12847 days ago · 17 km deep · 34 km away
  12. 1.71 km E of Edmonds, Washington · 12847 days ago · 21 km deep · 23 km away
  13. 1.89 km ENE of Ashford, Washington · 12845 days ago · 5 km deep · 97 km away
  14. 2.39 km ENE of Ashford, Washington · 12845 days ago · 5 km deep · 97 km away
  15. 2.21 km WSW of Belfair, Washington · 12844 days ago · 0 km deep · 53 km away
  16. 2.03 km WNW of Maple Valley, Washington · 12841 days ago · 5 km deep · 27 km away
  17. 1.55 km NE of Marrowstone, Washington · 12830 days ago · 26 km deep · 60 km away
  18. 2.09 km ENE of Ashford, Washington · 12830 days ago · 6 km deep · 96 km away
  19. 2.021 km ESE of Darrington, Washington · 12829 days ago · 0 km deep · 92 km away
  20. 2.022 km E of Darrington, Washington · 12829 days ago · 0 km deep · 93 km away
  21. 2.33 km W of Wauna, Washington · 12826 days ago · 20 km deep · 47 km away
  22. 2.21 km NNW of Lake Roesiger, Washington · 12825 days ago · 11 km deep · 45 km away
  23. 1.85 km E of Belfair, Washington · 12824 days ago · 45 km deep · 47 km away
  24. 1.91 km NW of Lake Roesiger, Washington · 12823 days ago · 11 km deep · 45 km away
  25. 1.81 km N of Lake Roesiger, Washington · 12822 days ago · 11 km deep · 45 km away
  26. 1.98 km SSE of Coupeville, Washington · 12822 days ago · 20 km deep · 67 km away
  27. 1.628 km N of Packwood, Washington · 12821 days ago · -1 km deep · 94 km away
  28. 1.73 km SW of Tacoma, Washington · 12819 days ago · 49 km deep · 49 km away
  29. 2.01 km NW of Lake Roesiger, Washington · 12816 days ago · 11 km deep · 45 km away

Before

  1. 1.91 km ESE of Clyde Hill, Washington · 12874 days ago · 25 km deep · 0 km away
  2. 1.82 km NW of Poulsbo, Washington · 12875 days ago · 50 km deep · 38 km away
  3. 2.11 km E of Clyde Hill, Washington · 12876 days ago · 24 km deep · 0 km away
  4. 2.21 km ESE of Esperance, Washington · 12878 days ago · 22 km deep · 21 km away
  5. 2.028 km ENE of Ashford, Washington · 12882 days ago · -1 km deep · 89 km away
  6. 2.623 km ENE of Ashford, Washington · 12887 days ago · -2 km deep · 91 km away
  7. 2.122 km SSE of Greenwater, Washington · 12887 days ago · 10 km deep · 88 km away
  8. 2.05 km SSE of Port Ludlow, Washington · 12891 days ago · 18 km deep · 44 km away
  9. 1.64 km ENE of Lake Morton-Berrydale, Washington · 12892 days ago · 14 km deep · 34 km away
  10. 1.74 km WNW of Hunts Point, Washington · 12901 days ago · 52 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10275213. Read Fri, Oct 2, 2026, 8:07 AM UTC.