Washington earthquakes

M1.7 earthquake 19 km S of Morton, Washington

A magnitude 1.7 earthquake struck 19 km S of Morton, Washington on Tue, Jun 3, 1986, 3:44 AM PDT (10:44 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.4 12 km SE of Mossyrock, 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1986-06-03 10:44:31 UTC
Depth
11.0 km (6.8 mi), shallow
Epicenter
46.379° N, 122.269° 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, 0.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
59°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 2.223 km ESE of Packwood, Washington · 14728 days ago · 5 km deep · 69 km away
  2. 2.29 km E of McKenna, Washington · 14718 days ago · 20 km deep · 62 km away
  3. 2.238 km NNE of Amboy, Washington · 14707 days ago · 0 km deep · 21 km away
  4. 1.538 km NNE of Amboy, Washington · 14703 days ago · -2 km deep · 20 km away
  5. 2.037 km NNE of Amboy, Washington · 14695 days ago · -1 km deep · 21 km away
  6. 1.828 km S of Mossyrock, Washington · 14695 days ago · 14 km deep · 18 km away
  7. 2.412 km SE of Mossyrock, Washington · 14693 days ago · 10 km deep · 11 km away
  8. 1.77 km NNW of Tenino, Washington · 14679 days ago · 52 km deep · 77 km away

Before

  1. 1.824 km S of Morton, Washington · 14735 days ago · 7 km deep · 5 km away
  2. 2.27 km WNW of Morton, Washington · 14743 days ago · 9 km deep · 24 km away
  3. 1.937 km NNE of Amboy, Washington · 14749 days ago · 0 km deep · 21 km away
  4. 1.938 km NNE of Amboy, Washington · 14751 days ago · -1 km deep · 21 km away
  5. 1.937 km NNE of Amboy, Washington · 14751 days ago · 0 km deep · 21 km away
  6. 1.738 km NNE of Amboy, Washington · 14751 days ago · -1 km deep · 20 km away
  7. 1.738 km NNE of Amboy, Washington · 14751 days ago · -1 km deep · 21 km away
  8. 1.738 km NNE of Amboy, Washington · 14751 days ago · -1 km deep · 21 km away
  9. 1.737 km NNE of Amboy, Washington · 14752 days ago · 0 km deep · 21 km away
  10. 1.637 km NNE of Amboy, Washington · 14752 days ago · 0 km deep · 21 km away
  11. 1.837 km NNE of Amboy, Washington · 14752 days ago · 0 km deep · 21 km away
  12. 1.937 km NNE of Amboy, Washington · 14752 days ago · 0 km deep · 21 km away
  13. 2.137 km NNE of Amboy, Washington · 14752 days ago · 0 km deep · 21 km away
  14. 1.837 km NNE of Amboy, Washington · 14752 days ago · 0 km deep · 21 km away
  15. 1.837 km NNE of Amboy, Washington · 14753 days ago · 0 km deep · 21 km away
  16. 1.737 km NNE of Amboy, Washington · 14753 days ago · -1 km deep · 21 km away
  17. 1.5Washington · 14753 days ago · 16 km deep · 30 km away
  18. 1.537 km NNE of Amboy, Washington · 14753 days ago · 0 km deep · 21 km away
  19. 1.837 km NNE of Amboy, Washington · 14753 days ago · 0 km deep · 21 km away
  20. 1.737 km NNE of Amboy, Washington · 14754 days ago · 0 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10205498. Read Sat, Oct 3, 2026, 10:58 AM UTC.