Washington earthquakes

M1.9 earthquake 10 km WSW of Tieton, Washington

A magnitude 1.9 earthquake struck 10 km WSW of Tieton, Washington on Wed, Dec 18, 1985, 9:48 PM PST (05:48 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 18 km SE of Carbonado, 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
1.9 (md), micro
Local time
UTC
1985-12-19 05:48:11 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
46.659° N, 120.884° 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 1.0 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
155°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.43 km NNE of West Valley, Washington · 14890 days ago · 8 km deep · 23 km away
  2. 1.53 km NE of West Valley, Washington · 14890 days ago · 8 km deep · 25 km away
  3. 2.13 km NE of West Valley, Washington · 14889 days ago · 7 km deep · 24 km away
  4. 3.018 km SE of Carbonado, Washington · 14887 days ago · 6 km deep · 82 km away
  5. 1.87 km NNE of Elbe, Washington · 14887 days ago · 4 km deep · 100 km away
  6. 1.514 km SSE of Ashford, Washington · 14886 days ago · 8 km deep · 81 km away
  7. 1.823 km NNE of Terrace Heights, Washington · 14885 days ago · -1 km deep · 48 km away
  8. 1.723 km NNE of Terrace Heights, Washington · 14885 days ago · 3 km deep · 48 km away
  9. 2.022 km NNE of Terrace Heights, Washington · 14885 days ago · 4 km deep · 47 km away
  10. 1.522 km ESE of Packwood, Washington · 14881 days ago · -1 km deep · 42 km away
  11. 1.723 km ESE of Packwood, Washington · 14881 days ago · -1 km deep · 42 km away
  12. 3.019 km SSE of Carbonado, Washington · 14880 days ago · 10 km deep · 85 km away
  13. 1.714 km N of Naches, Washington · 14879 days ago · 11 km deep · 28 km away
  14. 1.613 km SSW of Thorp, Washington · 14872 days ago · 6 km deep · 35 km away
  15. 1.71 km W of Yakima, Washington · 14872 days ago · 11 km deep · 28 km away
  16. 1.90 km NNE of Yakima, Washington · 14872 days ago · 10 km deep · 30 km away
  17. 1.812 km NW of Mattawa, Washington · 14863 days ago · 0 km deep · 67 km away
  18. 2.027 km NNW of Benton City, Washington · 14856 days ago · -1 km deep · 97 km away
  19. 1.627 km NNW of Benton City, Washington · 14855 days ago · -1 km deep · 96 km away
  20. 2.122 km NNE of Terrace Heights, Washington · 14853 days ago · 3 km deep · 46 km away

Before

  1. 1.87 km NNE of Elbe, Washington · 14901 days ago · -1 km deep · 100 km away
  2. 1.823 km SSE of Kittitas, Washington · 14911 days ago · 2 km deep · 47 km away
  3. 1.623 km SSE of Kittitas, Washington · 14913 days ago · 1 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10199498. Read Wed, Sep 30, 2026, 7:50 PM UTC.