Washington earthquakes

M1.6 earthquake 38 km NNE of Amboy, Washington

A magnitude 1.6 earthquake struck 38 km NNE of Amboy, Washington on Wed, Oct 11, 1989, 4:43 AM PDT (11:43 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.7 38 km NNE of Amboy, Washington. This one was a foreshock.

Amboy 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1989-10-11 11:43:22 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
46.203° N, 122.189° 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, 0.1 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
49°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.738 km NNE of Amboy, Washington · 13506 days ago · 0 km deep · 0 km away
  2. 1.626 km ENE of Ashford, Washington · 13500 days ago · -2 km deep · 82 km away
  3. 1.95 km ESE of Packwood, Washington · 13499 days ago · -2 km deep · 62 km away
  4. 1.738 km NNE of Amboy, Washington · 13497 days ago · 2 km deep · 0 km away
  5. 1.725 km SSE of Morton, Washington · 13496 days ago · 17 km deep · 16 km away
  6. 1.737 km NNE of Amboy, Washington · 13493 days ago · 3 km deep · 0 km away
  7. 2.336 km SSE of Morton, Washington · 13492 days ago · 9 km deep · 13 km away
  8. 1.538 km NNE of Amboy, Washington · 13488 days ago · -1 km deep · 0 km away
  9. 1.68 km W of Mossyrock, Washington · 13486 days ago · 15 km deep · 47 km away
  10. 1.58 km SSE of Mossyrock, Washington · 13486 days ago · 16 km deep · 34 km away
  11. 1.937 km NNE of Amboy, Washington · 13485 days ago · -1 km deep · 1 km away
  12. 1.738 km NNE of Amboy, Washington · 13483 days ago · -2 km deep · 0 km away
  13. 1.926 km S of Greenwater, Washington · 13481 days ago · -2 km deep · 88 km away
  14. 1.638 km NNE of Amboy, Washington · 13480 days ago · -2 km deep · 1 km away
  15. 2.738 km NNE of Amboy, Washington · 13474 days ago · -2 km deep · 0 km away
  16. 1.637 km NNE of Amboy, Washington · 13474 days ago · -2 km deep · 1 km away
  17. 2.338 km NNE of Amboy, Washington · 13468 days ago · -2 km deep · 1 km away
  18. 1.820 km ENE of Ashford, Washington · 13459 days ago · -1 km deep · 79 km away
  19. 1.938 km NNE of Amboy, Washington · 13456 days ago · -1 km deep · 1 km away
  20. 2.036 km NE of Amboy, Washington · 13451 days ago · -2 km deep · 4 km away
  21. 2.637 km NNE of Amboy, Washington · 13449 days ago · 0 km deep · 1 km away

Before

  1. 1.537 km NNE of Amboy, Washington · 13508 days ago · 3 km deep · 1 km away
  2. 2.523 km ENE of Ashford, Washington · 13511 days ago · -2 km deep · 80 km away
  3. 1.77 km S of Parkdale, Oregon · 13523 days ago · 4 km deep · 95 km away
  4. 2.136 km SSE of Morton, Washington · 13527 days ago · 6 km deep · 9 km away
  5. 1.529 km ENE of Kelso, Washington · 13532 days ago · -1 km deep · 27 km away
  6. 2.023 km S of Morton, Washington · 13532 days ago · 8 km deep · 17 km away
  7. 3.58 km NNE of Government Camp, Oregon · 13532 days ago · 4 km deep · 100 km away
  8. 2.27 km NNE of Government Camp, Oregon · 13532 days ago · 3 km deep · 100 km away
  9. 1.529 km SW of Nile, Washington · 13533 days ago · 2 km deep · 88 km away
  10. 2.06 km ESE of McKenna, Washington · 13533 days ago · 21 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10247963. Read Sat, Oct 3, 2026, 5:36 PM UTC.