Washington earthquakes

M1.7 earthquake 25 km ENE of Ashford, Washington

A magnitude 1.7 earthquake struck 25 km ENE of Ashford, Washington on Mon, Aug 11, 1980, 11:55 AM PDT (18:55 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.9 38 km NE of Amboy, 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
1.7 (md), micro
Local time
UTC
1980-08-11 18:55:19 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
46.864° N, 121.732° 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 4.0 km horizontally, 58.1 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
278°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.938 km NE of Amboy, Washington · 16840 days ago · 8 km deep · 82 km away
  2. 2.42 km SE of City of Sammamish, Washington · 16835 days ago · 9 km deep · 84 km away
  3. 1.515 km NNE of Greenwater, Washington · 16833 days ago · 7 km deep · 49 km away
  4. 2.334 km WSW of Tampico, Washington · 16833 days ago · 6 km deep · 61 km away
  5. 1.54 km W of Wauna, Washington · 16832 days ago · 21 km deep · 92 km away
  6. 2.17 km NNE of Morton, Washington · 16832 days ago · 0 km deep · 47 km away
  7. 1.710 km SW of Mineral, Washington · 16830 days ago · 15 km deep · 48 km away
  8. 2.012 km E of Wilkeson, Washington · 16828 days ago · 16 km deep · 29 km away
  9. 1.733 km NE of Amboy, Washington · 16828 days ago · 6 km deep · 90 km away
  10. 2.728 km S of Morton, Washington · 16819 days ago · 2 km deep · 72 km away
  11. 1.728 km S of Morton, Washington · 16819 days ago · 2 km deep · 72 km away
  12. 2.26 km S of Wilderness Rim, Washington · 16805 days ago · 17 km deep · 59 km away
  13. 1.9Washington · 16795 days ago · 0 km deep · 82 km away
  14. 1.837 km NNE of Amboy, Washington · 16789 days ago · 0 km deep · 82 km away
  15. 1.84 km NE of Maplewood, Washington · 16786 days ago · 45 km deep · 86 km away
  16. 1.737 km NNE of Amboy, Washington · 16785 days ago · 0 km deep · 82 km away
  17. 1.738 km NNE of Amboy, Washington · 16785 days ago · 0 km deep · 81 km away
  18. 1.937 km NNE of Amboy, Washington · 16784 days ago · -1 km deep · 82 km away

Before

  1. 1.624 km ENE of Ashford, Washington · 16845 days ago · 4 km deep · 1 km away
  2. 2.035 km NE of Amboy, Washington · 16846 days ago · 11 km deep · 88 km away
  3. 1.71 km ENE of Browns Point, Washington · 16846 days ago · 13 km deep · 72 km away
  4. 2.133 km NE of Amboy, Washington · 16847 days ago · 5 km deep · 89 km away
  5. 2.433 km NE of Amboy, Washington · 16847 days ago · 6 km deep · 90 km away
  6. 2.332 km NE of Amboy, Washington · 16849 days ago · 7 km deep · 90 km away
  7. 1.732 km NE of Amboy, Washington · 16849 days ago · 5 km deep · 90 km away
  8. 2.532 km NE of Amboy, Washington · 16850 days ago · 4 km deep · 90 km away
  9. 1.732 km NE of Amboy, Washington · 16850 days ago · 6 km deep · 90 km away
  10. 2.333 km NE of Amboy, Washington · 16854 days ago · 5 km deep · 90 km away
  11. 2.233 km NE of Amboy, Washington · 16856 days ago · 6 km deep · 90 km away
  12. 2.232 km NE of Amboy, Washington · 16856 days ago · 5 km deep · 90 km away
  13. 2.133 km NE of Amboy, Washington · 16857 days ago · 5 km deep · 90 km away
  14. 2.333 km NE of Amboy, Washington · 16857 days ago · 4 km deep · 89 km away
  15. 2.132 km NE of Amboy, Washington · 16858 days ago · 5 km deep · 90 km away
  16. 1.525 km ENE of Ashford, Washington · 16859 days ago · 2 km deep · 0 km away
  17. 2.218 km SSW of Mossyrock, Washington · 16859 days ago · 5 km deep · 84 km away
  18. 1.712 km SSE of Morton, Washington · 16860 days ago · 2 km deep · 60 km away
  19. 2.527 km S of Morton, Washington · 16861 days ago · 2 km deep · 71 km away
  20. 1.732 km NE of Amboy, Washington · 16862 days ago · 6 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10083853. Read Tue, Sep 22, 2026, 8:36 PM UTC.