Washington earthquakes

M1.7 earthquake 37 km NNE of Amboy, Washington

A magnitude 1.7 earthquake struck 37 km NNE of Amboy, Washington on Fri, Oct 7, 1983, 5:29 AM PDT (12:29 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.5 5 km SW of Morton, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1983-10-07 12:29:09 UTC
Depth
-1.2 km (-0.8 mi), shallow
Epicenter
46.200° N, 122.187° 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, 0.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
61°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.637 km NNE of Amboy, Washington · 15690 days ago · -1 km deep · 1 km away
  2. 1.520 km S of Morton, Washington · 15684 days ago · 9 km deep · 20 km away
  3. 1.736 km NNE of Amboy, Washington · 15681 days ago · -1 km deep · 2 km away
  4. 2.55 km SW of Morton, Washington · 15674 days ago · 16 km deep · 38 km away
  5. 2.212 km NNE of La Center, Washington · 15667 days ago · 11 km deep · 41 km away
  6. 1.538 km NNE of Amboy, Washington · 15666 days ago · 0 km deep · 0 km away
  7. 2.112 km WNW of Amboy, Washington · 15666 days ago · 11 km deep · 41 km away
  8. 2.026 km S of Morton, Washington · 15666 days ago · 9 km deep · 15 km away
  9. 1.611 km WNW of Warren, Oregon · 15663 days ago · 15 km deep · 72 km away
  10. 2.420 km E of Packwood, Washington · 15662 days ago · -1 km deep · 75 km away
  11. 1.737 km NNE of Amboy, Washington · 15658 days ago · 0 km deep · 1 km away
  12. 1.522 km S of Morton, Washington · 15653 days ago · 10 km deep · 18 km away
  13. 2.922 km NE of Ashford, Washington · 15652 days ago · -1 km deep · 81 km away
  14. 2.138 km NNE of Amboy, Washington · 15650 days ago · -2 km deep · 1 km away
  15. 2.138 km S of Morton, Washington · 15648 days ago · -2 km deep · 2 km away
  16. 1.838 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 1 km away
  17. 1.838 km NNE of Amboy, Washington · 15645 days ago · 1 km deep · 1 km away
  18. 1.638 km NNE of Amboy, Washington · 15645 days ago · -2 km deep · 1 km away
  19. 1.835 km S of Morton, Washington · 15644 days ago · -2 km deep · 5 km away
  20. 1.8Washington · 15640 days ago · -2 km deep · 0 km away
  21. 1.838 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 1 km away
  22. 1.638 km NNE of Amboy, Washington · 15639 days ago · -2 km deep · 1 km away
  23. 1.638 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 1 km away
  24. 1.937 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 0 km away
  25. 2.038 km NNE of Amboy, Washington · 15638 days ago · -2 km deep · 0 km away
  26. 1.738 km NNE of Amboy, Washington · 15632 days ago · -2 km deep · 1 km away

Before

  1. 1.917 km SE of Carbonado, Washington · 15691 days ago · -1 km deep · 86 km away
  2. 1.914 km SW of Alder, Washington · 15694 days ago · -1 km deep · 60 km away
  3. 2.219 km S of Morton, Washington · 15696 days ago · 8 km deep · 21 km away
  4. 1.638 km NNE of Amboy, Washington · 15697 days ago · -1 km deep · 0 km away
  5. 1.625 km SSE of Packwood, Washington · 15701 days ago · 0 km deep · 56 km away
  6. 2.125 km SSE of Packwood, Washington · 15702 days ago · 0 km deep · 57 km away
  7. 2.025 km SSE of Packwood, Washington · 15704 days ago · -1 km deep · 56 km away
  8. 1.638 km NNE of Amboy, Washington · 15709 days ago · -1 km deep · 0 km away
  9. 2.310 km SE of Mossyrock, Washington · 15713 days ago · 14 km deep · 33 km away
  10. 2.211 km ESE of Carbonado, Washington · 15714 days ago · 18 km deep · 96 km away
  11. 1.823 km ESE of Packwood, Washington · 15716 days ago · -1 km deep · 71 km away
  12. 2.238 km S of Morton, Washington · 15716 days ago · -1 km deep · 2 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10166818. Read Tue, Sep 22, 2026, 9:11 AM UTC.