Washington earthquakes

M1.5 earthquake 7 km WNW of Anacortes, Washington

A magnitude 1.5 earthquake struck 7 km WNW of Anacortes, Washington on Mon, Aug 11, 1980, 11:40 AM PDT (18:40 UTC), 52 km (32 mi) below the surface.

A larger quake followed: M3.8 3 km NNW of North Sultan, Washington. This one was a foreshock.

Anacortes 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), micro
Local time
UTC
1980-08-11 18:40:52 UTC
Depth
51.5 km (32.0 mi), shallow
Epicenter
48.535° 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, 0.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
133°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.74 km ENE of Six Mile, Canada · 16839 days ago · 30 km deep · 52 km away
  2. 3.05 km SW of Darrington, Washington · 16838 days ago · 1 km deep · 86 km away
  3. 1.64 km WSW of Hansville, Washington · 16838 days ago · 16 km deep · 71 km away
  4. 1.719 km SSW of Birch Bay, Washington · 16837 days ago · 11 km deep · 29 km away
  5. 1.63 km W of Shoreline, Washington · 16836 days ago · 19 km deep · 90 km away
  6. 1.84 km WSW of Shoreline, Washington · 16829 days ago · 20 km deep · 92 km away
  7. 2.12 km NNW of Warm Beach, Washington · 16828 days ago · 29 km deep · 45 km away
  8. 3.83 km NNW of North Sultan, Washington · 16810 days ago · 4 km deep · 96 km away
  9. 3.53 km NNW of North Sultan, Washington · 16808 days ago · 3 km deep · 96 km away
  10. 1.74 km NW of North Sultan, Washington · 16808 days ago · 1 km deep · 95 km away
  11. 1.75 km SSW of Lake McMurray, Washington · 16807 days ago · 0 km deep · 46 km away
  12. 1.611 km N of Swede Heaven, Washington · 16805 days ago · 4 km deep · 76 km away
  13. 1.620 km W of Quilcene, Washington · 16804 days ago · 42 km deep · 82 km away
  14. 1.73 km SW of Darrington, Washington · 16804 days ago · 5 km deep · 86 km away
  15. 1.521 km SE of Glacier, Washington · 16804 days ago · 23 km deep · 73 km away
  16. 2.72 km WSW of Big Lake, Washington · 16800 days ago · 15 km deep · 36 km away
  17. 2.32 km WSW of Big Lake, Washington · 16800 days ago · 15 km deep · 36 km away
  18. 2.72 km W of Big Lake, Washington · 16796 days ago · 15 km deep · 35 km away
  19. 3.011 km S of Friday Harbor, Washington · 16791 days ago · 25 km deep · 27 km away

Before

  1. 1.59 km WNW of Orcas, Washington · 16849 days ago · 13 km deep · 28 km away
  2. 2.09 km WNW of Orcas, Washington · 16849 days ago · 18 km deep · 28 km away
  3. 1.75 km NNE of Oso, Washington · 16859 days ago · -1 km deep · 65 km away
  4. 1.92 km N of Hamilton, Washington · 16860 days ago · 3 km deep · 53 km away
  5. 1.712 km NNE of Maple Falls, Washington · 16863 days ago · 1 km deep · 75 km away
  6. 1.94 km E of Granite Falls, Washington · 16863 days ago · -1 km deep · 77 km away
  7. 1.75 km ENE of Anacortes, Washington · 16870 days ago · 18 km deep · 13 km away
  8. 1.55 km SSW of Darrington, Washington · 16871 days ago · 6 km deep · 88 km away
  9. 1.510 km SSW of Swede Heaven, Washington · 16873 days ago · 17 km deep · 76 km away
  10. 1.58 km NE of Maple Falls, Washington · 16876 days ago · -1 km deep · 72 km away
  11. 1.714 km SSW of Concrete, Washington · 16878 days ago · 2 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10083838. Read Mon, Sep 28, 2026, 8:58 PM UTC.