Washington earthquakes

M1.8 earthquake 24 km S of Morton, Washington

A magnitude 1.8 earthquake struck 24 km S of Morton, Washington on Fri, Nov 12, 1982, 5:01 PM PST (01:01 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M1.9 31 km S of Morton, 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
1.8 (md), micro
Local time
UTC
1982-11-13 01:01:53 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
46.343° N, 122.243° 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 0.2 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
40°
Stations used
32

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 10 in the 30 days before it.

After

  1. 1.538 km NNE of Amboy, Washington · 16021 days ago · -2 km deep · 16 km away
  2. 1.813 km NNE of Ashford, Washington · 16020 days ago · 8 km deep · 62 km away
  3. 1.638 km NNE of Amboy, Washington · 16018 days ago · -2 km deep · 16 km away
  4. 1.931 km S of Morton, Washington · 16017 days ago · 9 km deep · 8 km away
  5. 1.638 km NNE of Amboy, Washington · 16016 days ago · -1 km deep · 16 km away
  6. 2.7Washington-Oregon border region · 16013 days ago · 25 km deep · 69 km away
  7. 2.236 km SSE of Morton, Washington · 16009 days ago · 7 km deep · 14 km away
  8. 2.625 km S of Morton, Washington · 16005 days ago · 10 km deep · 1 km away
  9. 1.538 km NNE of Amboy, Washington · 15999 days ago · 0 km deep · 16 km away
  10. 1.520 km E of Kelso, Washington · 15999 days ago · 12 km deep · 37 km away
  11. 1.538 km S of Morton, Washington · 15996 days ago · -2 km deep · 15 km away
  12. 2.14 km WSW of Lake Shore, Washington · 15994 days ago · 16 km deep · 84 km away
  13. 2.138 km NNE of Amboy, Washington · 15994 days ago · -1 km deep · 16 km away
  14. 2.222 km S of Morton, Washington · 15992 days ago · 14 km deep · 3 km away
  15. 1.930 km S of Mossyrock, Washington · 15991 days ago · 15 km deep · 21 km away
  16. 2.413 km WSW of Greenwater, Washington · 15989 days ago · 14 km deep · 92 km away
  17. 1.538 km NNE of Amboy, Washington · 15986 days ago · -1 km deep · 16 km away
  18. 1.538 km S of Morton, Washington · 15986 days ago · -2 km deep · 15 km away
  19. 2.723 km ESE of Packwood, Washington · 15984 days ago · 4 km deep · 69 km away
  20. 1.522 km S of Morton, Washington · 15981 days ago · 2 km deep · 2 km away
  21. 1.513 km NE of Ashford, Washington · 15980 days ago · 6 km deep · 62 km away
  22. 2.42 km S of Buckley, Washington · 15972 days ago · 13 km deep · 90 km away
  23. 1.838 km NNE of Amboy, Washington · 15971 days ago · -2 km deep · 15 km away
  24. 1.538 km NNE of Amboy, Washington · 15970 days ago · -1 km deep · 16 km away
  25. 1.622 km ESE of Packwood, Washington · 15967 days ago · 3 km deep · 67 km away
  26. 1.538 km NNE of Amboy, Washington · 15967 days ago · -1 km deep · 16 km away
  27. 1.537 km NNE of Amboy, Washington · 15963 days ago · -1 km deep · 17 km away
  28. 1.825 km ENE of Ashford, Washington · 15962 days ago · 1 km deep · 70 km away

Before

  1. 1.58 km ENE of Onalaska, Washington · 16025 days ago · 26 km deep · 42 km away
  2. 1.838 km NNE of Amboy, Washington · 16026 days ago · -2 km deep · 16 km away
  3. 1.620 km NNE of Ashford, Washington · 16029 days ago · 3 km deep · 69 km away
  4. 1.638 km NNE of Amboy, Washington · 16030 days ago · -2 km deep · 15 km away
  5. 1.538 km NNE of Amboy, Washington · 16031 days ago · -2 km deep · 16 km away
  6. 1.92 km NE of Brush Prairie, Washington · 16031 days ago · 10 km deep · 70 km away
  7. 1.538 km NNE of Amboy, Washington · 16032 days ago · -1 km deep · 16 km away
  8. 1.539 km NNE of Amboy, Washington · 16036 days ago · -2 km deep · 16 km away
  9. 1.538 km S of Morton, Washington · 16036 days ago · -2 km deep · 14 km away
  10. 1.922 km S of Morton, Washington · 16044 days ago · 6 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10146718. Read Wed, Sep 23, 2026, 9:09 PM UTC.