Washington earthquakes

M1.7 earthquake 22 km ESE of Packwood, Washington

A magnitude 1.7 earthquake struck 22 km ESE of Packwood, Washington on Thu, Jun 30, 1983, 3:20 AM PDT (10:20 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.1 38 km NNE of Amboy, Washington. This one was a foreshock.

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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
1983-06-30 10:20:16 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
46.526° N, 121.396° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
109°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 2.138 km NNE of Amboy, Washington · 15786 days ago · -2 km deep · 71 km away
  2. 1.738 km NNE of Amboy, Washington · 15785 days ago · -2 km deep · 71 km away
  3. 1.739 km NNE of Amboy, Washington · 15785 days ago · 0 km deep · 70 km away
  4. 1.838 km S of Morton, Washington · 15784 days ago · -2 km deep · 69 km away
  5. 2.020 km SW of Tampico, Washington · 15784 days ago · -1 km deep · 29 km away
  6. 1.638 km NNE of Amboy, Washington · 15782 days ago · -2 km deep · 70 km away
  7. 1.538 km NNE of Amboy, Washington · 15778 days ago · -2 km deep · 70 km away
  8. 1.612 km SSW of Packwood, Washington · 15773 days ago · 1 km deep · 26 km away
  9. 2.212 km SW of Nile, Washington · 15770 days ago · 4 km deep · 36 km away
  10. 1.838 km NNE of Amboy, Washington · 15770 days ago · -2 km deep · 70 km away
  11. 2.210 km N of Mossyrock, Washington · 15764 days ago · 17 km deep · 84 km away
  12. 2.13 km NNE of Packwood, Washington · 15759 days ago · 4 km deep · 23 km away
  13. 1.838 km NNE of Amboy, Washington · 15755 days ago · -2 km deep · 70 km away
  14. 1.539 km S of Morton, Washington · 15743 days ago · -2 km deep · 70 km away
  15. 2.238 km NNE of Amboy, Washington · 15733 days ago · -1 km deep · 70 km away
  16. 1.615 km NNE of Packwood, Washington · 15733 days ago · 2 km deep · 26 km away
  17. 1.920 km ENE of Ashford, Washington · 15732 days ago · 0 km deep · 45 km away

Before

  1. 1.538 km NNE of Amboy, Washington · 15791 days ago · 0 km deep · 70 km away
  2. 1.838 km NNE of Amboy, Washington · 15793 days ago · -2 km deep · 70 km away
  3. 2.137 km NNE of Amboy, Washington · 15794 days ago · -1 km deep · 71 km away
  4. 1.832 km SSW of Packwood, Washington · 15794 days ago · 11 km deep · 42 km away
  5. 2.038 km NNE of Amboy, Washington · 15795 days ago · -1 km deep · 70 km away
  6. 2.117 km S of Morton, Washington · 15797 days ago · 1 km deep · 69 km away
  7. 1.616 km SW of Alder, Washington · 15799 days ago · -1 km deep · 81 km away
  8. 1.738 km NNE of Amboy, Washington · 15800 days ago · -2 km deep · 70 km away
  9. 1.82 km SW of Black Diamond, Washington · 15801 days ago · 13 km deep · 98 km away
  10. 1.638 km NNE of Amboy, Washington · 15806 days ago · 0 km deep · 71 km away
  11. 1.739 km NNE of Amboy, Washington · 15806 days ago · -2 km deep · 70 km away
  12. 1.639 km NNE of Amboy, Washington · 15807 days ago · -1 km deep · 70 km away
  13. 1.538 km NNE of Amboy, Washington · 15808 days ago · -2 km deep · 70 km away
  14. 1.76 km ESE of Wilkeson, Washington · 15808 days ago · 12 km deep · 76 km away
  15. 1.638 km NNE of Amboy, Washington · 15808 days ago · -2 km deep · 71 km away
  16. 2.238 km NNE of Amboy, Washington · 15808 days ago · -1 km deep · 70 km away
  17. 1.739 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 70 km away
  18. 1.738 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 70 km away
  19. 1.938 km S of Morton, Washington · 15809 days ago · -2 km deep · 70 km away
  20. 1.638 km NNE of Amboy, Washington · 15809 days ago · -2 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10166168. Read Tue, Sep 22, 2026, 11:02 AM UTC.