Washington earthquakes

M1.7 earthquake 34 km SSE of Morton, Washington

A magnitude 1.7 earthquake struck 34 km SSE of Morton, Washington on Mon, May 30, 1983, 3:47 AM PDT (10:47 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.4 5 km ENE of Chehalis, 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), micro
Local time
UTC
1983-05-30 10:47:53 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
46.254° N, 122.186° 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 0.9 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
172°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 53 in the 30 days before it.

After

  1. 2.138 km NNE of Amboy, Washington · 15827 days ago · -1 km deep · 5 km away
  2. 1.636 km NNE of Amboy, Washington · 15827 days ago · -2 km deep · 7 km away
  3. 2.238 km NNE of Amboy, Washington · 15827 days ago · -2 km deep · 5 km away
  4. 1.838 km NNE of Amboy, Washington · 15825 days ago · -1 km deep · 5 km away
  5. 1.838 km NNE of Amboy, Washington · 15823 days ago · -2 km deep · 5 km away
  6. 1.738 km NNE of Amboy, Washington · 15823 days ago · -2 km deep · 5 km away
  7. 1.539 km NNE of Amboy, Washington · 15823 days ago · -2 km deep · 5 km away
  8. 2.37 km S of Onalaska, Washington · 15822 days ago · 23 km deep · 50 km away
  9. 2.11 km NE of Oak Hills, Oregon · 15820 days ago · 9 km deep · 93 km away
  10. 2.138 km NNE of Amboy, Washington · 15817 days ago · -2 km deep · 5 km away
  11. 2.039 km NNE of Amboy, Washington · 15816 days ago · -2 km deep · 5 km away
  12. 1.724 km S of Morton, Washington · 15816 days ago · 9 km deep · 11 km away
  13. 1.638 km NNE of Amboy, Washington · 15816 days ago · -2 km deep · 5 km away
  14. 1.938 km S of Morton, Washington · 15815 days ago · -2 km deep · 4 km away
  15. 1.738 km NNE of Amboy, Washington · 15815 days ago · -2 km deep · 5 km away
  16. 1.739 km NNE of Amboy, Washington · 15815 days ago · -2 km deep · 5 km away
  17. 2.238 km NNE of Amboy, Washington · 15815 days ago · -1 km deep · 5 km away
  18. 1.638 km NNE of Amboy, Washington · 15815 days ago · -2 km deep · 5 km away
  19. 1.76 km ESE of Wilkeson, Washington · 15815 days ago · 12 km deep · 94 km away
  20. 1.538 km NNE of Amboy, Washington · 15814 days ago · -2 km deep · 5 km away
  21. 1.639 km NNE of Amboy, Washington · 15813 days ago · -1 km deep · 5 km away
  22. 1.739 km NNE of Amboy, Washington · 15812 days ago · -2 km deep · 5 km away
  23. 1.638 km NNE of Amboy, Washington · 15812 days ago · 0 km deep · 6 km away
  24. 1.738 km NNE of Amboy, Washington · 15806 days ago · -2 km deep · 6 km away
  25. 1.616 km SW of Alder, Washington · 15805 days ago · -1 km deep · 51 km away
  26. 2.117 km S of Morton, Washington · 15804 days ago · 1 km deep · 18 km away
  27. 2.038 km NNE of Amboy, Washington · 15802 days ago · -1 km deep · 5 km away
  28. 1.832 km SSW of Packwood, Washington · 15801 days ago · 11 km deep · 26 km away
  29. 2.137 km NNE of Amboy, Washington · 15800 days ago · -1 km deep · 7 km away
  30. 1.838 km NNE of Amboy, Washington · 15800 days ago · -2 km deep · 6 km away
  31. 1.538 km NNE of Amboy, Washington · 15797 days ago · 0 km deep · 5 km away
  32. 1.722 km ESE of Packwood, Washington · 15797 days ago · -1 km deep · 68 km away
  33. 2.138 km NNE of Amboy, Washington · 15793 days ago · -2 km deep · 5 km away
  34. 1.738 km NNE of Amboy, Washington · 15792 days ago · -2 km deep · 5 km away
  35. 1.739 km NNE of Amboy, Washington · 15792 days ago · 0 km deep · 5 km away
  36. 1.838 km S of Morton, Washington · 15790 days ago · -2 km deep · 4 km away
  37. 2.020 km SW of Tampico, Washington · 15790 days ago · -1 km deep · 89 km away
  38. 2.45 km ENE of Chehalis, Washington · 15790 days ago · 52 km deep · 72 km away
  39. 1.638 km NNE of Amboy, Washington · 15788 days ago · -2 km deep · 6 km away
  40. 1.538 km NNE of Amboy, Washington · 15785 days ago · -2 km deep · 5 km away
  41. 1.612 km SSW of Packwood, Washington · 15780 days ago · 1 km deep · 44 km away
  42. 1.838 km NNE of Amboy, Washington · 15776 days ago · -2 km deep · 5 km away
  43. 2.210 km N of Mossyrock, Washington · 15771 days ago · 17 km deep · 47 km away
  44. 2.19 km ENE of Kalama, Washington · 15768 days ago · 15 km deep · 49 km away
  45. 2.48 km ENE of Kalama, Washington · 15768 days ago · 15 km deep · 49 km away
  46. 2.38 km ENE of Kalama, Washington · 15768 days ago · 15 km deep · 49 km away

Before

  1. 2.437 km NNE of Amboy, Washington · 15828 days ago · -2 km deep · 6 km away
  2. 1.938 km NNE of Amboy, Washington · 15828 days ago · -2 km deep · 5 km away
  3. 1.738 km NNE of Amboy, Washington · 15828 days ago · -2 km deep · 5 km away
  4. 1.739 km NNE of Amboy, Washington · 15828 days ago · -2 km deep · 5 km away
  5. 2.018 km SSW of Greenwater, Washington · 15830 days ago · 18 km deep · 90 km away
  6. 1.538 km NNE of Amboy, Washington · 15830 days ago · -2 km deep · 5 km away
  7. 2.039 km NNE of Amboy, Washington · 15831 days ago · -2 km deep · 5 km away
  8. 2.038 km NNE of Amboy, Washington · 15832 days ago · 0 km deep · 5 km away
  9. 1.86 km S of Onalaska, Washington · 15832 days ago · 21 km deep · 50 km away
  10. 2.037 km NNE of Amboy, Washington · 15832 days ago · -1 km deep · 6 km away
  11. 2.238 km NNE of Amboy, Washington · 15833 days ago · -2 km deep · 5 km away
  12. 1.738 km NNE of Amboy, Washington · 15834 days ago · -2 km deep · 5 km away
  13. 1.738 km NNE of Amboy, Washington · 15834 days ago · 0 km deep · 5 km away
  14. 1.638 km NNE of Amboy, Washington · 15835 days ago · 0 km deep · 5 km away
  15. 1.938 km NNE of Amboy, Washington · 15836 days ago · 0 km deep · 5 km away
  16. 1.928 km SSE of Mossyrock, Washington · 15837 days ago · 8 km deep · 11 km away
  17. 2.239 km NNE of Amboy, Washington · 15838 days ago · -2 km deep · 5 km away
  18. 1.937 km NNE of Amboy, Washington · 15838 days ago · -2 km deep · 6 km away
  19. 1.638 km S of Morton, Washington · 15838 days ago · -2 km deep · 5 km away
  20. 2.038 km S of Morton, Washington · 15838 days ago · -2 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10170668. Read Mon, Sep 28, 2026, 11:59 PM UTC.