Washington earthquakes

M1.7 earthquake 6 km NW of Tieton, Washington

A magnitude 1.7 earthquake struck 6 km NW of Tieton, Washington on Sat, Aug 3, 1985, 9:16 AM PDT (16:16 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.0 13 km E of Wilkeson, Washington. This one was a foreshock.

Tieton 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
1.7 (md), micro
Local time
UTC
1985-08-03 16:16:51 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
46.749° N, 120.811° 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 1.1 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
95°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.013 km E of Wilkeson, Washington · 15024 days ago · 10 km deep · 89 km away
  2. 1.67 km NE of Ashford, Washington · 15022 days ago · 10 km deep · 88 km away
  3. 1.515 km E of Greenwater, Washington · 15022 days ago · -1 km deep · 66 km away
  4. 2.414 km SSE of Ashford, Washington · 15018 days ago · 8 km deep · 87 km away
  5. 1.58 km SSE of Greenwater, Washington · 15016 days ago · 0 km deep · 70 km away
  6. 1.612 km ESE of Enumclaw, Washington · 15009 days ago · 1 km deep · 90 km away
  7. 2.19 km WSW of Royal City, Washington · 15008 days ago · 0 km deep · 82 km away
  8. 1.811 km SW of Ellensburg, Washington · 15006 days ago · 9 km deep · 23 km away
  9. 1.914 km NW of Mattawa, Washington · 15003 days ago · 0 km deep · 58 km away
  10. 1.715 km ENE of Packwood, Washington · 15003 days ago · 5 km deep · 53 km away
  11. 2.112 km SSW of Toppenish, Washington · 15000 days ago · -1 km deep · 64 km away
  12. 1.813 km ESE of Ashford, Washington · 14992 days ago · -1 km deep · 80 km away
  13. 2.213 km WNW of Mattawa, Washington · 14992 days ago · 0 km deep · 58 km away
  14. 2.37 km SSE of Carbonado, Washington · 14986 days ago · 14 km deep · 96 km away
  15. 1.812 km W of Greenwater, Washington · 14984 days ago · 14 km deep · 89 km away
  16. 1.92 km NNE of Packwood, Washington · 14976 days ago · 3 km deep · 66 km away
  17. 1.913 km WNW of Mattawa, Washington · 14972 days ago · 3 km deep · 58 km away
  18. 1.712 km WNW of Mattawa, Washington · 14972 days ago · 0 km deep · 59 km away
  19. 2.01 km SW of Quincy, Washington · 14970 days ago · 0 km deep · 89 km away
  20. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 85 km away
  21. 3.012 km WNW of Mattawa, Washington · 14966 days ago · 1 km deep · 58 km away
  22. 3.012 km WNW of Mattawa, Washington · 14966 days ago · 1 km deep · 58 km away
  23. 2.512 km WNW of Mattawa, Washington · 14966 days ago · 1 km deep · 59 km away

Before

  1. 1.97 km SSE of Carbonado, Washington · 15027 days ago · 15 km deep · 95 km away
  2. 1.711 km SSW of Toppenish, Washington · 15027 days ago · -1 km deep · 63 km away
  3. 1.96 km S of Ashford, Washington · 15029 days ago · 8 km deep · 92 km away
  4. 1.722 km S of Greenwater, Washington · 15032 days ago · 19 km deep · 66 km away
  5. 3.230 km SW of White Swan, Washington · 15043 days ago · -1 km deep · 64 km away
  6. 1.829 km NW of Trout Lake, Washington · 15053 days ago · -1 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10192273. Read Tue, Sep 22, 2026, 9:38 AM UTC.