Washington earthquakes

M2.2 earthquake 22 km S of Morton, Washington

A magnitude 2.2 earthquake struck 22 km S of Morton, Washington on Sat, Dec 11, 1982, 7:58 PM PST (03:58 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M2.4 13 km WSW of Greenwater, 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
2.2 (md), micro
Local time
UTC
1982-12-12 03:58:00 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
46.355° N, 122.286° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
50°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.930 km S of Mossyrock, Washington · 15991 days ago · 15 km deep · 19 km away
  2. 2.413 km WSW of Greenwater, Washington · 15989 days ago · 14 km deep · 92 km away
  3. 1.538 km NNE of Amboy, Washington · 15986 days ago · -1 km deep · 18 km away
  4. 1.538 km S of Morton, Washington · 15986 days ago · -2 km deep · 17 km away
  5. 2.723 km ESE of Packwood, Washington · 15984 days ago · 4 km deep · 71 km away
  6. 1.522 km S of Morton, Washington · 15981 days ago · 2 km deep · 3 km away
  7. 1.513 km NE of Ashford, Washington · 15980 days ago · 6 km deep · 62 km away
  8. 2.42 km S of Buckley, Washington · 15972 days ago · 13 km deep · 90 km away
  9. 1.838 km NNE of Amboy, Washington · 15971 days ago · -2 km deep · 17 km away
  10. 1.538 km NNE of Amboy, Washington · 15970 days ago · -1 km deep · 18 km away
  11. 1.622 km ESE of Packwood, Washington · 15967 days ago · 3 km deep · 70 km away
  12. 1.538 km NNE of Amboy, Washington · 15967 days ago · -1 km deep · 18 km away
  13. 1.537 km NNE of Amboy, Washington · 15963 days ago · -1 km deep · 19 km away
  14. 1.825 km ENE of Ashford, Washington · 15962 days ago · 1 km deep · 71 km away
  15. 1.510 km WNW of Packwood, Washington · 15959 days ago · 4 km deep · 50 km away
  16. 1.62 km ENE of Brush Prairie, Washington · 15959 days ago · 15 km deep · 71 km away
  17. 2.338 km NNE of Amboy, Washington · 15956 days ago · -2 km deep · 18 km away
  18. 1.717 km N of Mossyrock, Washington · 15955 days ago · 6 km deep · 40 km away
  19. 2.010 km SW of Packwood, Washington · 15955 days ago · 9 km deep · 46 km away
  20. 1.924 km S of Morton, Washington · 15954 days ago · 6 km deep · 4 km away
  21. 3.06 km E of Carbonado, Washington · 15948 days ago · 6 km deep · 83 km away
  22. 1.6Washington-Oregon border region · 15946 days ago · 9 km deep · 78 km away
  23. 2.611 km WNW of Deer Island, Oregon · 15944 days ago · 19 km deep · 69 km away
  24. 1.924 km ESE of Packwood, Washington · 15942 days ago · 5 km deep · 72 km away
  25. 1.711 km WSW of Mineral, Washington · 15942 days ago · 18 km deep · 36 km away
  26. 1.911 km WSW of Mineral, Washington · 15942 days ago · 17 km deep · 35 km away
  27. 2.210 km WSW of Mineral, Washington · 15941 days ago · 17 km deep · 35 km away
  28. 2.837 km NNE of Amboy, Washington · 15940 days ago · 0 km deep · 19 km away
  29. 2.09 km ESE of Carbonado, Washington · 15939 days ago · 2 km deep · 83 km away
  30. 1.738 km NNE of Amboy, Washington · 15938 days ago · -1 km deep · 19 km away
  31. 1.76 km NNW of Woodland, Washington · 15938 days ago · 16 km deep · 58 km away
  32. 2.235 km NNE of Amboy, Washington · 15938 days ago · 1 km deep · 20 km away
  33. 2.22 km WSW of Chehalis, Washington · 15937 days ago · 51 km deep · 63 km away
  34. 1.66 km E of West Side Highway, Washington · 15932 days ago · 10 km deep · 47 km away

Before

  1. 2.138 km NNE of Amboy, Washington · 15993 days ago · -1 km deep · 18 km away
  2. 2.14 km WSW of Lake Shore, Washington · 15994 days ago · 16 km deep · 84 km away
  3. 1.538 km S of Morton, Washington · 15996 days ago · -2 km deep · 18 km away
  4. 1.520 km E of Kelso, Washington · 15999 days ago · 12 km deep · 36 km away
  5. 1.538 km NNE of Amboy, Washington · 15999 days ago · 0 km deep · 18 km away
  6. 2.625 km S of Morton, Washington · 16005 days ago · 10 km deep · 4 km away
  7. 2.236 km SSE of Morton, Washington · 16009 days ago · 7 km deep · 18 km away
  8. 2.7Washington-Oregon border region · 16013 days ago · 25 km deep · 67 km away
  9. 1.638 km NNE of Amboy, Washington · 16016 days ago · -1 km deep · 19 km away
  10. 1.931 km S of Morton, Washington · 16017 days ago · 9 km deep · 10 km away
  11. 1.638 km NNE of Amboy, Washington · 16018 days ago · -2 km deep · 18 km away
  12. 1.813 km NNE of Ashford, Washington · 16020 days ago · 8 km deep · 62 km away
  13. 1.538 km NNE of Amboy, Washington · 16021 days ago · -2 km deep · 18 km away
  14. 1.824 km S of Morton, Washington · 16021 days ago · 10 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10146248. Read Wed, Sep 23, 2026, 7:00 PM UTC.