Washington earthquakes

M1.6 earthquake 19 km NNE of Ashford, Washington

A magnitude 1.6 earthquake struck 19 km NNE of Ashford, Washington on Thu, Nov 27, 1980, 9:59 PM PST (05:59 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.0 6 km ENE of Snoqualmie, 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
1.6 (md), micro
Local time
UTC
1980-11-28 05:59:20 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
46.907° N, 121.887° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
135°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.623 km S of Morton, Washington · 16731 days ago · -1 km deep · 68 km away
  2. 1.53 km SW of Cottage Lake, Washington · 16715 days ago · 20 km deep · 92 km away
  3. 1.537 km NNE of Amboy, Washington · 16714 days ago · 1 km deep · 82 km away
  4. 2.06 km ENE of Snoqualmie, Washington · 16711 days ago · 10 km deep · 73 km away
  5. 1.99 km NE of Ashford, Washington · 16711 days ago · 9 km deep · 11 km away
  6. 1.538 km S of Morton, Washington · 16708 days ago · -1 km deep · 80 km away
  7. 1.637 km NNE of Amboy, Washington · 16707 days ago · 1 km deep · 82 km away
  8. 1.57 km NE of Bonney Lake, Washington · 16707 days ago · 12 km deep · 39 km away
  9. 2.036 km NNE of Amboy, Washington · 16706 days ago · 3 km deep · 83 km away
  10. 1.738 km S of Morton, Washington · 16705 days ago · 1 km deep · 81 km away
  11. 1.938 km S of Morton, Washington · 16705 days ago · 0 km deep · 80 km away
  12. 2.737 km NNE of Amboy, Washington · 16704 days ago · 1 km deep · 82 km away
  13. 1.838 km NNE of Amboy, Washington · 16704 days ago · 1 km deep · 81 km away
  14. 2.333 km NNE of Amboy, Washington · 16704 days ago · -1 km deep · 86 km away
  15. 1.912 km ESE of Carbonado, Washington · 16703 days ago · 16 km deep · 15 km away
  16. 1.736 km S of Morton, Washington · 16703 days ago · 0 km deep · 78 km away
  17. 1.68 km ENE of Snoqualmie, Washington · 16703 days ago · 9 km deep · 74 km away
  18. 2.014 km ENE of Snoqualmie Pass, Washington · 16700 days ago · 4 km deep · 77 km away
  19. 1.737 km NNE of Amboy, Washington · 16695 days ago · 0 km deep · 82 km away
  20. 1.82 km NW of Mirrormont, Washington · 16680 days ago · 10 km deep · 64 km away
  21. 3.06 km W of Seattle, Washington · 16678 days ago · 22 km deep · 87 km away

Before

  1. 2.84 km SSW of Fall City, Washington · 16739 days ago · 7 km deep · 69 km away
  2. 2.119 km NE of Ashford, Washington · 16741 days ago · 9 km deep · 0 km away
  3. 2.112 km SE of Mossyrock, Washington · 16745 days ago · 9 km deep · 64 km away
  4. 2.125 km S of Morton, Washington · 16759 days ago · 1 km deep · 70 km away
  5. 1.82 km ESE of Dash Point, Washington · 16762 days ago · 13 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10094328. Read Tue, Sep 22, 2026, 3:15 PM UTC.