Washington earthquakes

M2.1 earthquake 38 km NNE of Amboy, Washington

A magnitude 2.1 earthquake struck 38 km NNE of Amboy, Washington on Mon, Jul 4, 1983, 1:29 AM PDT (08:29 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.4 5 km ENE of Chehalis, Washington. This one was a foreshock.

Amboy 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
2.1 (md), micro
Local time
UTC
1983-07-04 08:29:42 UTC
Depth
-1.5 km (-1.0 mi), shallow
Epicenter
46.209° N, 122.193° 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, 1.5 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
102°
Stations used
7

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 26 in the 30 days before it.

After

  1. 1.738 km NNE of Amboy, Washington · 15794 days ago · -2 km deep · 0 km away
  2. 1.739 km NNE of Amboy, Washington · 15793 days ago · 0 km deep · 1 km away
  3. 1.838 km S of Morton, Washington · 15792 days ago · -2 km deep · 1 km away
  4. 2.020 km SW of Tampico, Washington · 15792 days ago · -1 km deep · 90 km away
  5. 2.45 km ENE of Chehalis, Washington · 15792 days ago · 52 km deep · 75 km away
  6. 1.638 km NNE of Amboy, Washington · 15790 days ago · -2 km deep · 1 km away
  7. 1.538 km NNE of Amboy, Washington · 15786 days ago · -2 km deep · 0 km away
  8. 1.612 km SSW of Packwood, Washington · 15781 days ago · 1 km deep · 48 km away
  9. 1.838 km NNE of Amboy, Washington · 15778 days ago · -2 km deep · 1 km away
  10. 2.210 km N of Mossyrock, Washington · 15772 days ago · 17 km deep · 52 km away
  11. 2.19 km ENE of Kalama, Washington · 15770 days ago · 15 km deep · 46 km away
  12. 2.48 km ENE of Kalama, Washington · 15770 days ago · 15 km deep · 46 km away
  13. 2.38 km ENE of Kalama, Washington · 15770 days ago · 15 km deep · 46 km away
  14. 2.13 km NNE of Packwood, Washington · 15767 days ago · 4 km deep · 63 km away
  15. 2.212 km S of Pe Ell, Washington · 15764 days ago · -1 km deep · 89 km away
  16. 1.838 km NNE of Amboy, Washington · 15764 days ago · -2 km deep · 0 km away
  17. 1.539 km S of Morton, Washington · 15751 days ago · -2 km deep · 1 km away
  18. 2.238 km NNE of Amboy, Washington · 15741 days ago · -1 km deep · 1 km away
  19. 1.615 km NNE of Packwood, Washington · 15741 days ago · 2 km deep · 75 km away
  20. 1.920 km ENE of Ashford, Washington · 15740 days ago · 0 km deep · 76 km away

Before

  1. 1.722 km ESE of Packwood, Washington · 15798 days ago · -1 km deep · 71 km away
  2. 1.538 km NNE of Amboy, Washington · 15799 days ago · 0 km deep · 1 km away
  3. 1.838 km NNE of Amboy, Washington · 15802 days ago · -2 km deep · 1 km away
  4. 2.137 km NNE of Amboy, Washington · 15802 days ago · -1 km deep · 2 km away
  5. 1.832 km SSW of Packwood, Washington · 15802 days ago · 11 km deep · 29 km away
  6. 2.038 km NNE of Amboy, Washington · 15804 days ago · -1 km deep · 1 km away
  7. 2.117 km S of Morton, Washington · 15805 days ago · 1 km deep · 22 km away
  8. 1.616 km SW of Alder, Washington · 15807 days ago · -1 km deep · 56 km away
  9. 1.738 km NNE of Amboy, Washington · 15808 days ago · -2 km deep · 1 km away
  10. 1.638 km NNE of Amboy, Washington · 15814 days ago · 0 km deep · 1 km away
  11. 1.739 km NNE of Amboy, Washington · 15814 days ago · -2 km deep · 1 km away
  12. 1.639 km NNE of Amboy, Washington · 15815 days ago · -1 km deep · 1 km away
  13. 1.538 km NNE of Amboy, Washington · 15816 days ago · -2 km deep · 0 km away
  14. 1.76 km ESE of Wilkeson, Washington · 15816 days ago · 12 km deep · 99 km away
  15. 1.638 km NNE of Amboy, Washington · 15816 days ago · -2 km deep · 0 km away
  16. 2.238 km NNE of Amboy, Washington · 15817 days ago · -1 km deep · 0 km away
  17. 1.739 km NNE of Amboy, Washington · 15817 days ago · -2 km deep · 0 km away
  18. 1.738 km NNE of Amboy, Washington · 15817 days ago · -2 km deep · 1 km away
  19. 1.938 km S of Morton, Washington · 15817 days ago · -2 km deep · 1 km away
  20. 1.638 km NNE of Amboy, Washington · 15817 days ago · -2 km deep · 0 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10155808. Read Wed, Sep 30, 2026, 5:39 PM UTC.