Washington earthquakes

M2.9 earthquake 21 km S of Morton, Washington

A magnitude 2.9 earthquake struck 21 km S of Morton, Washington on Sun, Nov 17, 1985, 1:03 PM PST (21:03 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.1 24 km S of Morton, Washington. This one was a foreshock.

Morton 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
2.9 (md), micro
Local time
UTC
1985-11-17 21:03:12 UTC
Depth
9.9 km (6.1 mi), shallow
Epicenter
46.364° N, 122.249° 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 0.5 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
56°
Stations used
43

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. 1.528 km NW of Carson, Washington · 14907 days ago · 11 km deep · 51 km away
  2. 2.112 km N of Mossyrock, Washington · 14898 days ago · 20 km deep · 37 km away
  3. 1.87 km NNE of Elbe, Washington · 14892 days ago · -1 km deep · 52 km away
  4. 1.719 km S of Morton, Washington · 14887 days ago · 8 km deep · 2 km away
  5. 1.838 km NNE of Amboy, Washington · 14886 days ago · -2 km deep · 17 km away
  6. 1.537 km NNE of Amboy, Washington · 14885 days ago · -2 km deep · 18 km away
  7. 2.238 km NNE of Amboy, Washington · 14884 days ago · -1 km deep · 19 km away
  8. 1.66 km NE of Amboy, Washington · 14884 days ago · 16 km deep · 47 km away
  9. 1.725 km E of Castle Rock, Washington · 14881 days ago · 17 km deep · 27 km away
  10. 3.124 km S of Morton, Washington · 14880 days ago · 6 km deep · 3 km away
  11. 2.424 km S of Morton, Washington · 14880 days ago · 6 km deep · 3 km away
  12. 1.524 km S of Morton, Washington · 14880 days ago · 7 km deep · 3 km away
  13. 3.018 km SE of Carbonado, Washington · 14878 days ago · 6 km deep · 73 km away
  14. 1.87 km NNE of Elbe, Washington · 14878 days ago · 4 km deep · 53 km away
  15. 1.59 km ENE of Kalama, Washington · 14878 days ago · 14 km deep · 52 km away
  16. 1.514 km SSE of Ashford, Washington · 14877 days ago · 8 km deep · 39 km away
  17. 1.538 km NNE of Amboy, Washington · 14875 days ago · -2 km deep · 19 km away
  18. 2.54 km NNE of La Center, WA · 14873 days ago · 16 km deep · 61 km away
  19. 1.522 km ESE of Packwood, Washington · 14872 days ago · -1 km deep · 68 km away
  20. 1.723 km ESE of Packwood, Washington · 14872 days ago · -1 km deep · 68 km away
  21. 3.019 km SSE of Carbonado, Washington · 14871 days ago · 10 km deep · 68 km away

Before

  1. 2.313 km NE of Ashford, Washington · 14929 days ago · 7 km deep · 60 km away
  2. 2.038 km S of Morton, Washington · 14930 days ago · -2 km deep · 17 km away
  3. 2.013 km NNW of Morton, Washington · 14932 days ago · 17 km deep · 34 km away
  4. 1.6Washington · 14937 days ago · 16 km deep · 20 km away
  5. 1.810 km ESE of Ashford, Washington · 14942 days ago · 2 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10199758. Read Tue, Sep 22, 2026, 3:16 AM UTC.