Washington earthquakes

M1.5 earthquake 25 km S of Morton, Washington

A magnitude 1.5 earthquake struck 25 km S of Morton, Washington on Sun, Jan 14, 1990, 8:48 PM PST (04:48 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.0 9 km W of Tumwater, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-01-15 04:48:13 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
46.326° N, 122.275° 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, 0.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
47°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.731 km SSE of Morton, Washington · 13404 days ago · -2 km deep · 9 km away
  2. 1.638 km NNE of Amboy, Washington · 13403 days ago · -1 km deep · 15 km away
  3. 1.538 km NNE of Amboy, Washington · 13402 days ago · 3 km deep · 15 km away
  4. 1.614 km SSE of Carbonado, Washington · 13400 days ago · 5 km deep · 74 km away
  5. 1.537 km NNE of Amboy, Washington · 13397 days ago · 3 km deep · 15 km away
  6. 1.638 km NNE of Amboy, Washington · 13397 days ago · 2 km deep · 15 km away
  7. 1.9Washington · 13397 days ago · 3 km deep · 15 km away
  8. 2.030 km N of Amboy, Washington · 13396 days ago · 15 km deep · 19 km away
  9. 1.937 km NNE of Amboy, Washington · 13391 days ago · 5 km deep · 16 km away
  10. 2.829 km NNW of Carson, Washington · 13388 days ago · 6 km deep · 46 km away
  11. 1.629 km NNW of Carson, Washington · 13388 days ago · 8 km deep · 46 km away
  12. 1.637 km NNE of Amboy, Washington · 13385 days ago · -2 km deep · 16 km away
  13. 1.838 km NNE of Amboy, Washington · 13384 days ago · -2 km deep · 16 km away
  14. 1.8Washington · 13384 days ago · 0 km deep · 15 km away
  15. 2.237 km NNE of Amboy, Washington · 13377 days ago · 0 km deep · 15 km away
  16. 1.728 km SSE of Mossyrock, Washington · 13376 days ago · 6 km deep · 10 km away
  17. 1.737 km NNE of Amboy, Washington · 13373 days ago · 3 km deep · 16 km away
  18. 2.44 km SSE of DuPont, Washington · 13373 days ago · 24 km deep · 85 km away
  19. 3.09 km W of Tumwater, Washington · 13372 days ago · 44 km deep · 95 km away
  20. 1.538 km NNE of Amboy, Washington · 13370 days ago · 0 km deep · 15 km away
  21. 1.72 km ESE of Bridgeton, Oregon · 13368 days ago · 19 km deep · 86 km away
  22. 1.612 km SE of Ashford, Washington · 13368 days ago · 7 km deep · 50 km away
  23. 1.523 km S of Morton, Washington · 13364 days ago · 7 km deep · 3 km away
  24. 1.78 km SE of Mineral, Washington · 13364 days ago · 18 km deep · 38 km away
  25. 1.613 km E of Wilkeson, Washington · 13360 days ago · 6 km deep · 91 km away
  26. 1.724 km N of Amboy, Washington · 13349 days ago · 6 km deep · 25 km away

Before

  1. 1.526 km NE of Ashford, Washington · 13410 days ago · -2 km deep · 75 km away
  2. 1.68 km SSE of Mineral, Washington · 13411 days ago · 18 km deep · 38 km away
  3. 1.68 km SE of Mineral, Washington · 13414 days ago · 18 km deep · 39 km away
  4. 2.738 km NNE of Amboy, Washington · 13417 days ago · 0 km deep · 14 km away
  5. 1.58 km SE of Mineral, Washington · 13417 days ago · 16 km deep · 38 km away
  6. 2.02 km NNE of Crocker, Washington · 13418 days ago · 2 km deep · 88 km away
  7. 2.138 km NNE of Amboy, Washington · 13420 days ago · -2 km deep · 16 km away
  8. 2.72 km W of Wilkeson, Washington · 13421 days ago · 9 km deep · 88 km away
  9. 2.22 km W of Wilkeson, Washington · 13421 days ago · 9 km deep · 88 km away
  10. 1.68 km SE of Mineral, Washington · 13421 days ago · 17 km deep · 39 km away
  11. 2.21 km W of Wilkeson, Washington · 13423 days ago · 8 km deep · 88 km away
  12. 1.515 km NNE of Ashford, Washington · 13429 days ago · 4 km deep · 67 km away
  13. 4.99 km SE of Mineral, Washington · 13430 days ago · 17 km deep · 38 km away
  14. 2.314 km NE of Ashford, Washington · 13432 days ago · 11 km deep · 66 km away
  15. 1.732 km NNE of Amboy, Washington · 13432 days ago · -2 km deep · 19 km away
  16. 1.938 km NNE of Amboy, Washington · 13433 days ago · -2 km deep · 15 km away
  17. 2.116 km NNE of Ashford, Washington · 13438 days ago · 2 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10254053. Read Thu, Oct 1, 2026, 1:08 PM UTC.