Washington earthquakes

M1.8 earthquake 9 km NE of Ashford, Washington

A magnitude 1.8 earthquake struck 9 km NE of Ashford, Washington on Sun, Mar 21, 1976, 6:54 AM PST (14:54 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.2 4 km NNE of Mossyrock, 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
1.8 (md), micro
Local time
UTC
1976-03-21 14:54:52 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
46.819° N, 121.946° 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 3.5 km horizontally, 4.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
221°, poorly surrounded by stations
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: 18 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.622 km NE of Ashford, Washington · 18446 days ago · 20 km deep · 13 km away
  2. 2.24 km NNE of Mossyrock, Washington · 18433 days ago · 16 km deep · 48 km away
  3. 2.34 km WNW of Wauna, Washington · 18433 days ago · 9 km deep · 85 km away
  4. 1.85 km WNW of Wauna, Washington · 18429 days ago · 21 km deep · 86 km away
  5. 1.62 km NE of Carnation, Washington · 18427 days ago · 9 km deep · 94 km away
  6. 1.821 km NE of Packwood, Washington · 18418 days ago · 5 km deep · 36 km away
  7. 1.68 km NNE of Snoqualmie, Washington · 18409 days ago · 4 km deep · 87 km away
  8. 1.70 km NNE of Algona, Washington · 18408 days ago · 5 km deep · 57 km away
  9. 2.36 km WNW of Wauna, Washington · 18407 days ago · 22 km deep · 88 km away
  10. 1.53 km NE of Dash Point, Washington · 18404 days ago · 26 km deep · 68 km away
  11. 1.740 km SSE of Morton, Washington · 18404 days ago · 10 km deep · 66 km away
  12. 1.51 km SE of Bainbridge Island, Washington · 18403 days ago · 22 km deep · 98 km away
  13. 2.128 km S of Morton, Washington · 18399 days ago · 16 km deep · 62 km away
  14. 2.01 km S of Auburn, Washington · 18398 days ago · 21 km deep · 57 km away
  15. 2.06 km S of Wilderness Rim, Washington · 18398 days ago · 18 km deep · 64 km away
  16. 1.83 km SW of Crocker, Washington · 18396 days ago · 8 km deep · 30 km away
  17. 1.63 km ENE of Union Hill-Novelty Hill, Washington · 18395 days ago · 24 km deep · 96 km away
  18. 1.54 km ENE of Mossyrock, Washington · 18387 days ago · 20 km deep · 48 km away

Before

  1. 1.516 km NE of Snoqualmie, Washington · 18450 days ago · 9 km deep · 94 km away
  2. 2.06 km W of Easton, Washington · 18459 days ago · 14 km deep · 70 km away
  3. 1.813 km NNE of Snoqualmie, Washington · 18466 days ago · 11 km deep · 92 km away
  4. 1.811 km ENE of Snoqualmie, Washington · 18473 days ago · 10 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10840953. Read Tue, Sep 22, 2026, 8:54 AM UTC.