Washington earthquakes

M1.6 earthquake 5 km W of Wauna, Washington

A magnitude 1.6 earthquake struck 5 km W of Wauna, Washington on Tue, Jul 20, 1976, 11:40 PM PDT (06:40 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.7 6 km WSW of Coupeville, 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1976-07-21 06:40:10 UTC
Depth
21.2 km (13.2 mi), shallow
Epicenter
47.388° N, 122.713° 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, 0.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
127°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.52 km NW of Inglewood-Finn Hill, Washington · 18318 days ago · 25 km deep · 52 km away
  2. 1.65 km ENE of Onalaska, Washington · 18317 days ago · 23 km deep · 88 km away
  3. 1.610 km NE of North Bend, Washington · 18314 days ago · 6 km deep · 79 km away
  4. 1.60 km ESE of Boulevard Park, Washington · 18304 days ago · 32 km deep · 33 km away
  5. 1.61 km ENE of Riverton, Washington · 18303 days ago · 24 km deep · 35 km away
  6. 1.73 km ENE of Camano, Washington · 18301 days ago · 22 km deep · 90 km away
  7. 1.53 km WSW of Issaquah, Washington · 18299 days ago · 11 km deep · 50 km away
  8. 1.710 km W of Skokomish, Washington · 18298 days ago · 8 km deep · 44 km away
  9. 1.85 km NNE of North Bend, Washington · 18293 days ago · 13 km deep · 74 km away
  10. 1.65 km SSW of Fall City, Washington · 18292 days ago · 25 km deep · 61 km away
  11. 1.72 km NNW of Freeland, Washington · 18291 days ago · 24 km deep · 72 km away
  12. 4.76 km WSW of Coupeville, Washington · 18291 days ago · 22 km deep · 90 km away
  13. 1.515 km SW of Alder, Washington · 18290 days ago · 9 km deep · 80 km away
  14. 2.313 km E of Tanner, Washington · 18289 days ago · 15 km deep · 87 km away
  15. 2.00 km SSE of Lake Marcel-Stillwater, Washington · 18289 days ago · 27 km deep · 69 km away
  16. 4.52 km NNE of Union, Washington · 18285 days ago · 45 km deep · 29 km away
  17. 2.15 km WSW of Coupeville, Washington · 18285 days ago · 26 km deep · 91 km away
  18. 1.611 km S of Ashford, WA · 18284 days ago · 38 km deep · 95 km away
  19. 1.63 km NNW of White Center, Washington · 18281 days ago · 12 km deep · 31 km away
  20. 1.716 km NNE of Mossyrock, Washington · 18278 days ago · 12 km deep · 82 km away
  21. 1.7Puget Sound region, Washington · 18277 days ago · 18 km deep · 11 km away

Before

  1. 1.64 km SE of Lake Roesiger, Washington · 18335 days ago · 10 km deep · 89 km away
  2. 1.87 km NNE of Onalaska, Washington · 18337 days ago · 22 km deep · 84 km away
  3. 1.50 km N of Edmonds, Washington · 18342 days ago · 21 km deep · 54 km away
  4. 1.61 km SSW of Mirrormont, Washington · 18344 days ago · 6 km deep · 54 km away
  5. 1.61 km SSW of Mukilteo, Washington · 18345 days ago · 32 km deep · 68 km away
  6. 1.67 km SSE of McKenna, Washington · 18346 days ago · 15 km deep · 59 km away
  7. 1.67 km WSW of North Bend, Washington · 18348 days ago · 19 km deep · 64 km away
  8. 1.85 km W of Ashford, Washington · 18349 days ago · 17 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10841788. Read Thu, Oct 1, 2026, 1:22 PM UTC.