Washington earthquakes

M1.6 earthquake 13 km ESE of Yacolt, Washington

A magnitude 1.6 earthquake struck 13 km ESE of Yacolt, Washington on Sun, May 27, 1984, 11:18 AM PDT (18:18 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.7 5 km N of West Longview, Washington. This one was a foreshock.

Yacolt 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
1.6 (md), micro
Local time
UTC
1984-05-27 18:18:52 UTC
Depth
11.2 km (6.9 mi), shallow
Epicenter
45.836° N, 122.239° 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 0.9 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
162°
Stations used
21

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 12 in the 30 days before it.

After

  1. 3.75 km N of West Longview, Washington · 15459 days ago · 52 km deep · 73 km away
  2. 1.916 km NE of Woodland, Washington · 15456 days ago · 16 km deep · 37 km away
  3. 1.638 km NNE of Amboy, Washington · 15450 days ago · -2 km deep · 41 km away
  4. 1.838 km NNE of Amboy, Washington · 15445 days ago · -1 km deep · 41 km away
  5. 1.938 km NNE of Amboy, Washington · 15443 days ago · -1 km deep · 41 km away
  6. 2.038 km NNE of Amboy, Washington · 15441 days ago · -1 km deep · 41 km away
  7. 1.538 km NNE of Amboy, Washington · 15441 days ago · -1 km deep · 41 km away
  8. 2.138 km NNE of Amboy, Washington · 15440 days ago · -1 km deep · 41 km away
  9. 1.938 km NNE of Amboy, Washington · 15439 days ago · -1 km deep · 41 km away
  10. 2.438 km NNE of Amboy, Washington · 15438 days ago · 0 km deep · 41 km away
  11. 1.838 km NNE of Amboy, Washington · 15438 days ago · -1 km deep · 41 km away
  12. 1.538 km NNE of Amboy, Washington · 15436 days ago · -1 km deep · 41 km away
  13. 2.038 km NNE of Amboy, Washington · 15426 days ago · -2 km deep · 41 km away
  14. 1.837 km NNE of Amboy, Washington · 15424 days ago · 0 km deep · 41 km away
  15. 2.814 km S of Morton, Washington · 15417 days ago · 14 km deep · 66 km away
  16. 1.937 km NNE of Amboy, Washington · 15414 days ago · 1 km deep · 41 km away
  17. 2.538 km NNE of Amboy, Washington · 15413 days ago · -1 km deep · 41 km away
  18. 1.838 km NNE of Amboy, Washington · 15412 days ago · -1 km deep · 41 km away
  19. 1.738 km NNE of Amboy, Washington · 15409 days ago · -1 km deep · 41 km away
  20. 2.038 km NNE of Amboy, Washington · 15409 days ago · -1 km deep · 41 km away
  21. 2.238 km NNE of Amboy, Washington · 15409 days ago · -1 km deep · 41 km away
  22. 2.038 km NNE of Amboy, Washington · 15409 days ago · -1 km deep · 41 km away
  23. 1.82 km NW of Hockinson, Washington · 15407 days ago · 15 km deep · 23 km away
  24. 2.238 km NNE of Amboy, Washington · 15407 days ago · -1 km deep · 41 km away
  25. 2.437 km NE of Amboy, Washington · 15407 days ago · -1 km deep · 40 km away
  26. 1.638 km NNE of Amboy, Washington · 15407 days ago · -1 km deep · 41 km away

Before

  1. 1.711 km ENE of Prescott, Oregon · 15467 days ago · 19 km deep · 49 km away
  2. 1.838 km NNE of Amboy, Washington · 15475 days ago · -1 km deep · 42 km away
  3. 1.538 km NNE of Amboy, Washington · 15478 days ago · -1 km deep · 42 km away
  4. 2.314 km SE of Ashford, Washington · 15479 days ago · 7 km deep · 96 km away
  5. 1.5Washington · 15479 days ago · -1 km deep · 41 km away
  6. 1.838 km NNE of Amboy, Washington · 15479 days ago · -1 km deep · 41 km away
  7. 2.037 km NNE of Amboy, Washington · 15479 days ago · -2 km deep · 40 km away
  8. 1.538 km NNE of Amboy, Washington · 15479 days ago · -2 km deep · 42 km away
  9. 1.738 km NNE of Amboy, Washington · 15482 days ago · -1 km deep · 41 km away
  10. 1.738 km NNE of Amboy, Washington · 15483 days ago · 0 km deep · 41 km away
  11. 2.911 km NE of Wapanitia, Oregon · 15487 days ago · 15 km deep · 77 km away
  12. 2.012 km S of Morton, Washington · 15488 days ago · 7 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10177203. Read Wed, Sep 30, 2026, 7:54 PM UTC.