Washington earthquakes

M1.7 earthquake 5 km S of La Conner, Washington

A magnitude 1.7 earthquake struck 5 km S of La Conner, Washington on Thu, Jul 3, 1980, 9:14 PM PDT (04:14 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.2 5 km WSW of Lake Cavanaugh, Washington. This one was a foreshock.

La Conner 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
1.7 (md), micro
Local time
UTC
1980-07-04 04:14:35 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
48.338° N, 122.506° 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 2.3 km horizontally
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
175°
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: 26 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.63 km SSW of Fall City, Washington · 16881 days ago · 18 km deep · 100 km away
  2. 2.25 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 31 km away
  3. 1.55 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 10 km deep · 31 km away
  4. 1.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 31 km away
  5. 2.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 13 km deep · 31 km away
  6. 1.714 km SSW of Concrete, Washington · 16872 days ago · 2 km deep · 51 km away
  7. 1.58 km NE of Maple Falls, Washington · 16870 days ago · -1 km deep · 80 km away
  8. 1.722 km E of Darrington, Washington · 16868 days ago · 8 km deep · 89 km away
  9. 1.510 km SSW of Swede Heaven, Washington · 16867 days ago · 17 km deep · 54 km away
  10. 1.55 km SSW of Darrington, Washington · 16865 days ago · 6 km deep · 66 km away
  11. 1.75 km ENE of Anacortes, Washington · 16865 days ago · 18 km deep · 22 km away
  12. 1.94 km E of Granite Falls, Washington · 16858 days ago · -1 km deep · 52 km away
  13. 1.712 km NNE of Maple Falls, Washington · 16857 days ago · 1 km deep · 85 km away
  14. 1.92 km N of Hamilton, Washington · 16855 days ago · 3 km deep · 44 km away
  15. 1.75 km NNE of Oso, Washington · 16853 days ago · -1 km deep · 45 km away
  16. 2.09 km WNW of Orcas, Washington · 16844 days ago · 18 km deep · 52 km away
  17. 1.59 km WNW of Orcas, Washington · 16844 days ago · 13 km deep · 52 km away
  18. 1.57 km WNW of Anacortes, Washington · 16843 days ago · 52 km deep · 27 km away
  19. 2.42 km SE of City of Sammamish, Washington · 16835 days ago · 9 km deep · 91 km away
  20. 1.74 km ENE of Six Mile, Canada · 16834 days ago · 30 km deep · 68 km away
  21. 3.05 km SW of Darrington, Washington · 16832 days ago · 1 km deep · 64 km away
  22. 1.64 km WSW of Hansville, Washington · 16832 days ago · 16 km deep · 49 km away
  23. 1.719 km SSW of Birch Bay, Washington · 16832 days ago · 11 km deep · 55 km away
  24. 1.63 km W of Shoreline, Washington · 16830 days ago · 19 km deep · 66 km away
  25. 1.84 km WSW of Shoreline, Washington · 16823 days ago · 20 km deep · 67 km away
  26. 2.12 km NNW of Warm Beach, Washington · 16822 days ago · 29 km deep · 19 km away

Before

  1. 1.57 km WSW of Lake Cavanaugh, Washington · 16885 days ago · 10 km deep · 29 km away
  2. 1.73 km SSW of Mercer Island, Washington · 16892 days ago · -1 km deep · 91 km away
  3. 1.72 km E of Lake Marcel-Stillwater, Washington · 16892 days ago · 7 km deep · 86 km away
  4. 1.64 km N of Bryn Mawr-Skyway, Washington · 16892 days ago · -1 km deep · 92 km away
  5. 3.33 km SSW of Mercer Island, Washington · 16893 days ago · -1 km deep · 91 km away
  6. 3.73 km SW of Mercer Island, Washington · 16893 days ago · -1 km deep · 90 km away
  7. 1.73 km SW of Mercer Island, Washington · 16893 days ago · -1 km deep · 90 km away
  8. 1.54 km ENE of Glacier, Washington · 16899 days ago · 1 km deep · 78 km away
  9. 1.50 km ENE of Monroe, Washington · 16905 days ago · 25 km deep · 67 km away
  10. 1.55 km S of Blyn, Washington · 16907 days ago · 48 km deep · 55 km away
  11. 4.26 km S of Blyn, Washington · 16907 days ago · 48 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10080488. Read Wed, Sep 23, 2026, 3:54 AM UTC.