Washington earthquakes

M1.6 earthquake 3 km SSW of Fall City, Washington

A magnitude 1.6 earthquake struck 3 km SSW of Fall City, Washington on Fri, Jul 4, 1980, 12:37 PM PDT (19:37 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.1 8 km E of Ashford, Washington. This one was a foreshock.

Fall City 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
1.6 (md), micro
Local time
UTC
1980-07-04 19:37:24 UTC
Depth
18.4 km (11.4 mi), shallow
Epicenter
47.538° N, 121.901° 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 2.6 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
121°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.18 km E of Ashford, Washington · 16880 days ago · 8 km deep · 85 km away
  2. 1.50 km NW of Waller, Washington · 16880 days ago · 7 km deep · 51 km away
  3. 2.25 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 87 km away
  4. 1.55 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 10 km deep · 87 km away
  5. 1.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 11 km deep · 87 km away
  6. 2.85 km WSW of Lake Cavanaugh, Washington · 16874 days ago · 13 km deep · 87 km away
  7. 1.714 km SSW of Concrete, Washington · 16872 days ago · 2 km deep · 99 km away
  8. 1.722 km E of Darrington, Washington · 16868 days ago · 8 km deep · 95 km away
  9. 1.510 km SSW of Swede Heaven, Washington · 16867 days ago · 17 km deep · 75 km away
  10. 1.74 km SSW of Wilderness Rim, Washington · 16867 days ago · 26 km deep · 17 km away
  11. 1.726 km ENE of Ashford, Washington · 16866 days ago · 4 km deep · 76 km away
  12. 1.55 km SSW of Darrington, Washington · 16865 days ago · 6 km deep · 78 km away
  13. 1.525 km ENE of Ashford, Washington · 16859 days ago · 2 km deep · 76 km away
  14. 1.94 km E of Granite Falls, Washington · 16858 days ago · -1 km deep · 62 km away
  15. 1.75 km NNE of Oso, Washington · 16853 days ago · -1 km deep · 86 km away
  16. 1.71 km ENE of Browns Point, Washington · 16847 days ago · 13 km deep · 47 km away
  17. 1.624 km ENE of Ashford, Washington · 16846 days ago · 4 km deep · 76 km away
  18. 1.725 km ENE of Ashford, Washington · 16843 days ago · 8 km deep · 76 km away
  19. 2.42 km SE of City of Sammamish, Washington · 16835 days ago · 9 km deep · 11 km away
  20. 1.515 km NNE of Greenwater, Washington · 16833 days ago · 7 km deep · 37 km away
  21. 1.54 km W of Wauna, Washington · 16832 days ago · 21 km deep · 63 km away
  22. 3.05 km SW of Darrington, Washington · 16832 days ago · 1 km deep · 78 km away
  23. 1.64 km WSW of Hansville, Washington · 16832 days ago · 16 km deep · 66 km away
  24. 1.63 km W of Shoreline, Washington · 16830 days ago · 19 km deep · 44 km away
  25. 2.012 km E of Wilkeson, Washington · 16828 days ago · 16 km deep · 48 km away
  26. 1.84 km WSW of Shoreline, Washington · 16823 days ago · 20 km deep · 43 km away
  27. 2.12 km NNW of Warm Beach, Washington · 16822 days ago · 29 km deep · 81 km away

Before

  1. 1.89 km SSW of Wilderness Rim, Washington · 16882 days ago · 1 km deep · 19 km away
  2. 1.75 km S of La Conner, Washington · 16882 days ago · 8 km deep · 100 km away
  3. 1.712 km ESE of Ravensdale, Washington · 16882 days ago · 18 km deep · 25 km away
  4. 1.57 km WSW of Lake Cavanaugh, Washington · 16885 days ago · 10 km deep · 87 km away
  5. 1.73 km SSW of Mercer Island, Washington · 16892 days ago · -1 km deep · 26 km away
  6. 1.72 km E of Lake Marcel-Stillwater, Washington · 16892 days ago · 7 km deep · 17 km away
  7. 1.64 km N of Bryn Mawr-Skyway, Washington · 16892 days ago · -1 km deep · 26 km away
  8. 3.33 km SSW of Mercer Island, Washington · 16892 days ago · -1 km deep · 26 km away
  9. 3.73 km SW of Mercer Island, Washington · 16892 days ago · -1 km deep · 26 km away
  10. 1.73 km SW of Mercer Island, Washington · 16892 days ago · -1 km deep · 26 km away
  11. 1.50 km ENE of Monroe, Washington · 16905 days ago · 25 km deep · 36 km away
  12. 1.55 km S of Blyn, Washington · 16907 days ago · 48 km deep · 95 km away
  13. 4.26 km S of Blyn, Washington · 16907 days ago · 48 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10080523. Read Wed, Sep 23, 2026, 2:37 AM UTC.