Washington earthquakes

M2.0 earthquake 23 km S of Morton, Washington

A magnitude 2.0 earthquake struck 23 km S of Morton, Washington on Fri, Sep 15, 1989, 4:43 AM PDT (11:43 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.7 38 km NNE of Amboy, 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
2.0 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-09-15 11:43:48 UTC
Depth
8.4 km (5.2 mi), shallow
Epicenter
46.348° N, 122.245° 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, 0.2 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
40°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.529 km ENE of Kelso, Washington · 13530 days ago · -1 km deep · 28 km away
  2. 2.136 km SSE of Morton, Washington · 13525 days ago · 6 km deep · 16 km away
  3. 2.523 km ENE of Ashford, Washington · 13509 days ago · -2 km deep · 67 km away
  4. 1.537 km NNE of Amboy, Washington · 13506 days ago · 3 km deep · 17 km away
  5. 1.638 km NNE of Amboy, Washington · 13504 days ago · 0 km deep · 17 km away
  6. 1.738 km NNE of Amboy, Washington · 13504 days ago · 0 km deep · 17 km away
  7. 1.626 km ENE of Ashford, Washington · 13498 days ago · -2 km deep · 70 km away
  8. 1.95 km ESE of Packwood, Washington · 13497 days ago · -2 km deep · 55 km away
  9. 1.738 km NNE of Amboy, Washington · 13495 days ago · 2 km deep · 17 km away
  10. 1.725 km SSE of Morton, Washington · 13494 days ago · 17 km deep · 7 km away
  11. 1.737 km NNE of Amboy, Washington · 13491 days ago · 3 km deep · 17 km away
  12. 2.336 km SSE of Morton, Washington · 13490 days ago · 9 km deep · 18 km away
  13. 1.513 km E of Wilkeson, Washington · 13489 days ago · 9 km deep · 87 km away
  14. 1.538 km NNE of Amboy, Washington · 13486 days ago · -1 km deep · 17 km away
  15. 1.68 km W of Mossyrock, Washington · 13484 days ago · 15 km deep · 33 km away
  16. 1.58 km SSE of Mossyrock, Washington · 13483 days ago · 16 km deep · 19 km away
  17. 1.937 km NNE of Amboy, Washington · 13482 days ago · -1 km deep · 17 km away
  18. 1.738 km NNE of Amboy, Washington · 13481 days ago · -2 km deep · 17 km away
  19. 1.926 km S of Greenwater, Washington · 13479 days ago · -2 km deep · 76 km away
  20. 1.638 km NNE of Amboy, Washington · 13478 days ago · -2 km deep · 17 km away
  21. 2.738 km NNE of Amboy, Washington · 13472 days ago · -2 km deep · 17 km away
  22. 1.637 km NNE of Amboy, Washington · 13472 days ago · -2 km deep · 17 km away

Before

  1. 1.529 km SW of Nile, Washington · 13531 days ago · 2 km deep · 83 km away
  2. 2.06 km ESE of McKenna, Washington · 13531 days ago · 21 km deep · 66 km away
  3. 1.629 km SSE of Mossyrock, Washington · 13536 days ago · 5 km deep · 14 km away
  4. 1.526 km SSE of Mossyrock, Washington · 13536 days ago · 0 km deep · 11 km away
  5. 2.124 km ENE of Ashford, Washington · 13538 days ago · -2 km deep · 69 km away
  6. 2.524 km ENE of Ashford, Washington · 13538 days ago · -2 km deep · 69 km away
  7. 1.938 km NNE of Amboy, Washington · 13539 days ago · -2 km deep · 16 km away
  8. 2.03 km ENE of Kelso, Washington · 13542 days ago · 21 km deep · 52 km away
  9. 1.66 km E of La Center, Washington · 13548 days ago · 15 km deep · 61 km away
  10. 2.66 km N of Cherry Grove, Washington · 13548 days ago · 13 km deep · 61 km away
  11. 1.737 km NNE of Amboy, Washington · 13551 days ago · -2 km deep · 17 km away
  12. 1.737 km NNE of Amboy, Washington · 13551 days ago · -2 km deep · 17 km away
  13. 1.737 km NNE of Amboy, Washington · 13551 days ago · -1 km deep · 17 km away
  14. 2.737 km NNE of Amboy, Washington · 13551 days ago · -2 km deep · 17 km away
  15. 1.938 km NNE of Amboy, Washington · 13557 days ago · -1 km deep · 17 km away
  16. 1.724 km ENE of Ashford, Washington · 13559 days ago · -2 km deep · 69 km away
  17. 2.124 km ENE of Ashford, Washington · 13560 days ago · -1 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10248478. Read Thu, Oct 1, 2026, 2:56 PM UTC.