Washington earthquakes

M1.9 earthquake 24 km S of Morton, Washington

A magnitude 1.9 earthquake struck 24 km S of Morton, Washington on Tue, Jan 18, 1983, 2:13 AM PST (10:13 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 6 km E of Carbonado, 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
1.9 (md), micro
Local time
UTC
1983-01-18 10:13:57 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
46.337° N, 122.237° 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
±0.05
Depth from
From location
Station coverage gap
80°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 3.06 km E of Carbonado, Washington · 15947 days ago · 6 km deep · 84 km away
  2. 1.6Washington-Oregon border region · 15944 days ago · 9 km deep · 77 km away
  3. 2.611 km WNW of Deer Island, Oregon · 15942 days ago · 19 km deep · 71 km away
  4. 1.924 km ESE of Packwood, Washington · 15941 days ago · 5 km deep · 69 km away
  5. 1.711 km WSW of Mineral, Washington · 15940 days ago · 18 km deep · 38 km away
  6. 1.911 km WSW of Mineral, Washington · 15940 days ago · 17 km deep · 38 km away
  7. 2.210 km WSW of Mineral, Washington · 15940 days ago · 17 km deep · 37 km away
  8. 2.837 km NNE of Amboy, Washington · 15938 days ago · 0 km deep · 16 km away
  9. 2.09 km ESE of Carbonado, Washington · 15938 days ago · 2 km deep · 84 km away
  10. 1.738 km NNE of Amboy, Washington · 15937 days ago · -1 km deep · 15 km away
  11. 1.76 km NNW of Woodland, Washington · 15937 days ago · 16 km deep · 59 km away
  12. 2.235 km NNE of Amboy, Washington · 15936 days ago · 1 km deep · 17 km away
  13. 2.22 km WSW of Chehalis, Washington · 15935 days ago · 51 km deep · 68 km away
  14. 1.66 km E of West Side Highway, Washington · 15930 days ago · 10 km deep · 49 km away
  15. 1.67 km W of Mossyrock, Washington · 15929 days ago · 19 km deep · 33 km away
  16. 1.913 km WSW of Greenwater, Washington · 15928 days ago · 14 km deep · 93 km away
  17. 1.53 km SSW of Puyallup, Washington · 15924 days ago · 21 km deep · 91 km away
  18. 1.921 km S of Morton, Washington · 15919 days ago · 7 km deep · 4 km away
  19. 2.11 km W of Crocker, Washington · 15915 days ago · 9 km deep · 83 km away
  20. 1.938 km S of Morton, Washington · 15911 days ago · -1 km deep · 14 km away
  21. 1.638 km NNE of Amboy, Washington · 15911 days ago · -1 km deep · 16 km away
  22. 1.81 km SSE of Castle Rock, Washington · 15910 days ago · 15 km deep · 51 km away
  23. 1.7Washington · 15909 days ago · 17 km deep · 51 km away
  24. 2.136 km S of Morton, Washington · 15909 days ago · -2 km deep · 12 km away
  25. 1.638 km NNE of Amboy, Washington · 15908 days ago · -1 km deep · 15 km away
  26. 1.537 km NNE of Amboy, Washington · 15908 days ago · -1 km deep · 16 km away
  27. 1.636 km NNE of Amboy, Washington · 15908 days ago · -1 km deep · 17 km away
  28. 1.938 km NNE of Amboy, Washington · 15907 days ago · -2 km deep · 15 km away
  29. 1.538 km NNE of Amboy, Washington · 15907 days ago · -2 km deep · 15 km away
  30. 1.539 km NNE of Amboy, Washington · 15906 days ago · -2 km deep · 15 km away
  31. 1.538 km NNE of Amboy, Washington · 15906 days ago · -2 km deep · 15 km away
  32. 1.638 km NNE of Amboy, Washington · 15904 days ago · -2 km deep · 15 km away
  33. 1.538 km NNE of Amboy, Washington · 15904 days ago · -2 km deep · 14 km away
  34. 2.137 km NNE of Amboy, Washington · 15902 days ago · -1 km deep · 16 km away
  35. 2.17 km S of Onalaska, Washington · 15902 days ago · 22 km deep · 42 km away
  36. 1.621 km ESE of Castle Rock, Washington · 15899 days ago · 13 km deep · 33 km away
  37. 2.921 km ESE of Castle Rock, Washington · 15899 days ago · 14 km deep · 32 km away
  38. 1.624 km S of Morton, Washington · 15897 days ago · 4 km deep · 1 km away
  39. 2.78 km S of Onalaska, Washington · 15896 days ago · 23 km deep · 42 km away
  40. 1.522 km S of Morton, Washington · 15894 days ago · 6 km deep · 3 km away

Before

  1. 2.010 km SW of Packwood, Washington · 15953 days ago · 9 km deep · 43 km away
  2. 1.717 km N of Mossyrock, Washington · 15954 days ago · 6 km deep · 44 km away
  3. 2.338 km NNE of Amboy, Washington · 15955 days ago · -2 km deep · 15 km away
  4. 1.62 km ENE of Brush Prairie, Washington · 15957 days ago · 15 km deep · 70 km away
  5. 1.510 km WNW of Packwood, Washington · 15958 days ago · 4 km deep · 49 km away
  6. 1.825 km ENE of Ashford, Washington · 15960 days ago · 1 km deep · 70 km away
  7. 1.537 km NNE of Amboy, Washington · 15962 days ago · -1 km deep · 16 km away
  8. 1.538 km NNE of Amboy, Washington · 15965 days ago · -1 km deep · 15 km away
  9. 1.622 km ESE of Packwood, Washington · 15966 days ago · 3 km deep · 67 km away
  10. 1.538 km NNE of Amboy, Washington · 15969 days ago · -1 km deep · 15 km away
  11. 1.838 km NNE of Amboy, Washington · 15969 days ago · -2 km deep · 14 km away
  12. 2.42 km S of Buckley, Washington · 15971 days ago · 13 km deep · 91 km away
  13. 1.513 km NE of Ashford, Washington · 15979 days ago · 6 km deep · 62 km away
  14. 1.522 km S of Morton, Washington · 15980 days ago · 2 km deep · 2 km away
  15. 2.723 km ESE of Packwood, Washington · 15982 days ago · 4 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10151253. Read Tue, Sep 22, 2026, 8:40 AM UTC.