Washington earthquakes

M2.6 earthquake 25 km S of Morton, Washington

A magnitude 2.6 earthquake struck 25 km S of Morton, Washington on Sun, Nov 28, 1982, 2:21 AM PST (10:21 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.7 23 km ESE of Packwood, 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
2.6 (md), micro
Local time
UTC
1982-11-28 10:21:52 UTC
Depth
10.4 km (6.5 mi), shallow
Epicenter
46.334° N, 122.241° 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, 0.8 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
35°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.538 km NNE of Amboy, Washington · 15999 days ago · 0 km deep · 15 km away
  2. 1.520 km E of Kelso, Washington · 15998 days ago · 12 km deep · 37 km away
  3. 1.538 km S of Morton, Washington · 15996 days ago · -2 km deep · 14 km away
  4. 2.14 km WSW of Lake Shore, Washington · 15993 days ago · 16 km deep · 83 km away
  5. 2.138 km NNE of Amboy, Washington · 15993 days ago · -1 km deep · 15 km away
  6. 2.222 km S of Morton, Washington · 15991 days ago · 14 km deep · 4 km away
  7. 1.930 km S of Mossyrock, Washington · 15991 days ago · 15 km deep · 21 km away
  8. 2.413 km WSW of Greenwater, Washington · 15988 days ago · 14 km deep · 93 km away
  9. 1.538 km NNE of Amboy, Washington · 15986 days ago · -1 km deep · 15 km away
  10. 1.538 km S of Morton, Washington · 15986 days ago · -2 km deep · 14 km away
  11. 2.723 km ESE of Packwood, Washington · 15983 days ago · 4 km deep · 69 km away
  12. 1.522 km S of Morton, Washington · 15981 days ago · 2 km deep · 3 km away
  13. 1.513 km NE of Ashford, Washington · 15980 days ago · 6 km deep · 63 km away
  14. 2.42 km S of Buckley, Washington · 15971 days ago · 13 km deep · 91 km away
  15. 1.838 km NNE of Amboy, Washington · 15970 days ago · -2 km deep · 14 km away
  16. 1.538 km NNE of Amboy, Washington · 15970 days ago · -1 km deep · 15 km away
  17. 1.622 km ESE of Packwood, Washington · 15967 days ago · 3 km deep · 68 km away
  18. 1.538 km NNE of Amboy, Washington · 15966 days ago · -1 km deep · 15 km away
  19. 1.537 km NNE of Amboy, Washington · 15962 days ago · -1 km deep · 16 km away
  20. 1.825 km ENE of Ashford, Washington · 15961 days ago · 1 km deep · 71 km away
  21. 1.510 km WNW of Packwood, Washington · 15959 days ago · 4 km deep · 50 km away
  22. 1.62 km ENE of Brush Prairie, Washington · 15958 days ago · 15 km deep · 69 km away
  23. 2.338 km NNE of Amboy, Washington · 15955 days ago · -2 km deep · 15 km away
  24. 1.717 km N of Mossyrock, Washington · 15954 days ago · 6 km deep · 44 km away
  25. 2.010 km SW of Packwood, Washington · 15954 days ago · 9 km deep · 44 km away
  26. 1.924 km S of Morton, Washington · 15954 days ago · 6 km deep · 0 km away
  27. 3.06 km E of Carbonado, Washington · 15948 days ago · 6 km deep · 85 km away
  28. 1.6Washington-Oregon border region · 15945 days ago · 9 km deep · 77 km away

Before

  1. 2.236 km SSE of Morton, Washington · 16008 days ago · 7 km deep · 13 km away
  2. 2.7Washington-Oregon border region · 16012 days ago · 25 km deep · 68 km away
  3. 1.638 km NNE of Amboy, Washington · 16016 days ago · -1 km deep · 15 km away
  4. 1.931 km S of Morton, Washington · 16017 days ago · 9 km deep · 7 km away
  5. 1.638 km NNE of Amboy, Washington · 16017 days ago · -2 km deep · 15 km away
  6. 1.813 km NNE of Ashford, Washington · 16019 days ago · 8 km deep · 63 km away
  7. 1.538 km NNE of Amboy, Washington · 16020 days ago · -2 km deep · 15 km away
  8. 1.824 km S of Morton, Washington · 16020 days ago · 10 km deep · 1 km away
  9. 1.58 km ENE of Onalaska, Washington · 16025 days ago · 26 km deep · 43 km away
  10. 1.838 km NNE of Amboy, Washington · 16026 days ago · -2 km deep · 15 km away
  11. 1.620 km NNE of Ashford, Washington · 16029 days ago · 3 km deep · 69 km away
  12. 1.638 km NNE of Amboy, Washington · 16030 days ago · -2 km deep · 14 km away
  13. 1.538 km NNE of Amboy, Washington · 16030 days ago · -2 km deep · 15 km away
  14. 1.92 km NE of Brush Prairie, Washington · 16030 days ago · 10 km deep · 69 km away
  15. 1.538 km NNE of Amboy, Washington · 16032 days ago · -1 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10150403. Read Wed, Sep 23, 2026, 6:29 AM UTC.