Washington earthquakes

M1.8 earthquake 32 km SSW of Packwood, Washington

A magnitude 1.8 earthquake struck 32 km SSW of Packwood, Washington on Sun, Jun 26, 1983, 2:17 AM PDT (09:17 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.1 37 km NNE of Amboy, 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
1.8 (md), micro
Local time
UTC
1983-06-26 09:17:09 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
46.349° N, 121.873° 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, 0.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
152°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 33 in the 30 days before it.

After

  1. 2.137 km NNE of Amboy, Washington · 15794 days ago · -1 km deep · 30 km away
  2. 1.838 km NNE of Amboy, Washington · 15793 days ago · -2 km deep · 29 km away
  3. 1.538 km NNE of Amboy, Washington · 15791 days ago · 0 km deep · 29 km away
  4. 1.722 km ESE of Packwood, Washington · 15790 days ago · -1 km deep · 42 km away
  5. 2.138 km NNE of Amboy, Washington · 15786 days ago · -2 km deep · 29 km away
  6. 1.738 km NNE of Amboy, Washington · 15785 days ago · -2 km deep · 29 km away
  7. 1.739 km NNE of Amboy, Washington · 15785 days ago · 0 km deep · 28 km away
  8. 1.838 km S of Morton, Washington · 15784 days ago · -2 km deep · 28 km away
  9. 2.020 km SW of Tampico, Washington · 15784 days ago · -1 km deep · 63 km away
  10. 2.45 km ENE of Chehalis, Washington · 15783 days ago · 52 km deep · 87 km away
  11. 1.638 km NNE of Amboy, Washington · 15782 days ago · -2 km deep · 29 km away
  12. 1.538 km NNE of Amboy, Washington · 15778 days ago · -2 km deep · 29 km away
  13. 1.612 km SSW of Packwood, Washington · 15773 days ago · 1 km deep · 20 km away
  14. 2.212 km SW of Nile, Washington · 15770 days ago · 4 km deep · 77 km away
  15. 1.838 km NNE of Amboy, Washington · 15770 days ago · -2 km deep · 29 km away
  16. 2.210 km N of Mossyrock, Washington · 15764 days ago · 17 km deep · 56 km away
  17. 2.19 km ENE of Kalama, Washington · 15762 days ago · 15 km deep · 75 km away
  18. 2.48 km ENE of Kalama, Washington · 15762 days ago · 15 km deep · 75 km away
  19. 2.38 km ENE of Kalama, Washington · 15762 days ago · 15 km deep · 75 km away
  20. 2.13 km NNE of Packwood, Washington · 15759 days ago · 4 km deep · 36 km away
  21. 1.838 km NNE of Amboy, Washington · 15755 days ago · -2 km deep · 29 km away
  22. 1.539 km S of Morton, Washington · 15743 days ago · -2 km deep · 28 km away

Before

  1. 2.038 km NNE of Amboy, Washington · 15795 days ago · -1 km deep · 29 km away
  2. 2.117 km S of Morton, Washington · 15797 days ago · 1 km deep · 31 km away
  3. 1.616 km SW of Alder, Washington · 15798 days ago · -1 km deep · 56 km away
  4. 1.738 km NNE of Amboy, Washington · 15800 days ago · -2 km deep · 29 km away
  5. 1.638 km NNE of Amboy, Washington · 15806 days ago · 0 km deep · 29 km away
  6. 1.739 km NNE of Amboy, Washington · 15806 days ago · -2 km deep · 28 km away
  7. 1.639 km NNE of Amboy, Washington · 15807 days ago · -1 km deep · 28 km away
  8. 1.538 km NNE of Amboy, Washington · 15808 days ago · -2 km deep · 29 km away
  9. 1.76 km ESE of Wilkeson, Washington · 15808 days ago · 12 km deep · 82 km away
  10. 1.638 km NNE of Amboy, Washington · 15808 days ago · -2 km deep · 29 km away
  11. 2.238 km NNE of Amboy, Washington · 15808 days ago · -1 km deep · 29 km away
  12. 1.739 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 29 km away
  13. 1.738 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 29 km away
  14. 1.938 km S of Morton, Washington · 15809 days ago · -2 km deep · 28 km away
  15. 1.638 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 29 km away
  16. 1.724 km S of Morton, Washington · 15809 days ago · 9 km deep · 28 km away
  17. 2.039 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 29 km away
  18. 2.138 km NNE of Amboy, Washington · 15810 days ago · -2 km deep · 29 km away
  19. 2.37 km S of Onalaska, Washington · 15815 days ago · 23 km deep · 68 km away
  20. 1.539 km NNE of Amboy, Washington · 15816 days ago · -2 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10164353. Read Tue, Sep 22, 2026, 10:02 AM UTC.