Washington earthquakes

M2.8 earthquake 10 km E of Carnation, Washington

A magnitude 2.8 earthquake struck 10 km E of Carnation, Washington on Fri, Aug 21, 1970, 12:45 PM PDT (19:45 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.9 8 km NE of Fall City, Washington. This one was a foreshock.

Carnation 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
2.8 (md), micro
Local time
UTC
1970-08-21 19:45:25 UTC
Depth
13.9 km (8.7 mi), shallow
Epicenter
47.631° N, 121.771° 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 1.1 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
247°, poorly surrounded by stations
Stations used
5

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 5 in the 30 days before it.

After

  1. 1.711 km E of Carnation, Washington · 20486 days ago · 4 km deep · 1 km away
  2. 2.98 km NE of Fall City, Washington · 20485 days ago · 13 km deep · 3 km away
  3. 2.211 km NE of Snoqualmie, Washington · 20485 days ago · 21 km deep · 4 km away
  4. 1.63 km SSE of Ames Lake, Washington · 20484 days ago · 20 km deep · 13 km away
  5. 2.01 km ENE of Sammamish, Washington · 20484 days ago · 20 km deep · 22 km away
  6. 2.72 km SSE of Carbonado, Washington · 20483 days ago · 3 km deep · 67 km away
  7. 1.85 km SSW of Gorst, Washington · 20477 days ago · 22 km deep · 75 km away
  8. 1.97 km NNW of Freeland, Washington · 20474 days ago · 58 km deep · 77 km away
  9. 2.99 km S of Carbonado, Washington · 20472 days ago · 3 km deep · 74 km away
  10. 3.28 km NE of Fall City, Washington · 20472 days ago · 15 km deep · 3 km away
  11. 2.13 km NW of Belfair, Washington · 20452 days ago · 21 km deep · 83 km away
  12. 2.34 km SSE of Carbonado, Washington · 20451 days ago · 12 km deep · 68 km away
  13. 1.70 km ENE of Carbonado, Washington · 20451 days ago · 3 km deep · 65 km away
  14. 1.92 km SSE of Carbonado, Washington · 20451 days ago · 3 km deep · 67 km away
  15. 1.58 km NNE of Brinnon, Washington · 20449 days ago · 18 km deep · 81 km away
  16. 2.84 km ENE of Kingston, Washington · 20448 days ago · 9 km deep · 55 km away
  17. 1.514 km W of Brinnon, Washington · 20446 days ago · 44 km deep · 99 km away
  18. 1.911 km E of Lake Marcel-Stillwater, Washington · 20446 days ago · 3 km deep · 6 km away
  19. 1.76 km SSE of Vashon, Washington · 20445 days ago · 20 km deep · 55 km away
  20. 2.13 km S of Shoreline, Washington · 20444 days ago · 14 km deep · 44 km away
  21. 2.04 km NE of Vashon, Washington · 20444 days ago · 22 km deep · 52 km away
  22. 2.34 km SE of Carbonado, Washington · 20443 days ago · 9 km deep · 67 km away
  23. 1.75 km NW of Bryn Mawr-Skyway, Washington · 20435 days ago · 26 km deep · 40 km away
  24. 2.226 km E of Skykomish, Washington · 20434 days ago · 11 km deep · 57 km away
  25. 1.74 km ENE of White Center, Washington · 20433 days ago · 25 km deep · 42 km away
  26. 2.722 km ENE of Ashford, Washington · 20430 days ago · 0 km deep · 85 km away
  27. 2.022 km ENE of Ashford, Washington · 20430 days ago · 0 km deep · 88 km away
  28. 2.05 km SSW of Shoreline, Washington · 20430 days ago · 21 km deep · 46 km away
  29. 2.85 km SSE of Seabeck, Washington · 20428 days ago · 15 km deep · 78 km away

Before

  1. 2.12 km NNE of Yarrow Point, Washington · 20492 days ago · 22 km deep · 32 km away
  2. 2.15 km SSE of Orting, Washington · 20496 days ago · 0 km deep · 72 km away
  3. 2.13 km SSW of Oak Harbor, Washington · 20500 days ago · 34 km deep · 97 km away
  4. 2.46 km ENE of Lofall, Washington · 20505 days ago · 18 km deep · 65 km away
  5. 2.22 km NNE of Snoqualmie, Washington · 20514 days ago · 16 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10836808. Read Tue, Sep 22, 2026, 10:18 AM UTC.