Washington earthquakes

M1.7 earthquake 24 km N of Amboy, Washington

A magnitude 1.7 earthquake struck 24 km N of Amboy, Washington on Wed, Mar 14, 1990, 7:49 PM PST (03:49 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 13 km NE of Ashford, 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-03-15 03:49:04 UTC
Depth
6.0 km (3.8 mi), shallow
Epicenter
46.133° N, 122.446° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
116°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 3.013 km NE of Ashford, Washington · 13339 days ago · 9 km deep · 90 km away
  2. 1.70 km SW of Garden Home-Whitford, Oregon · 13333 days ago · 21 km deep · 79 km away
  3. 1.538 km NNE of Amboy, Washington · 13330 days ago · 3 km deep · 21 km away
  4. 2.637 km NNE of Amboy, Washington · 13328 days ago · -2 km deep · 21 km away
  5. 1.522 km ENE of Ashford, Washington · 13326 days ago · -1 km deep · 95 km away
  6. 1.510 km E of Ashford, Washington · 13319 days ago · 7 km deep · 82 km away
  7. 1.838 km NNE of Amboy, Washington · 13318 days ago · -2 km deep · 22 km away
  8. 1.814 km SE of Mossyrock, Washington · 13318 days ago · 17 km deep · 33 km away
  9. 2.16 km S of Mill Plain, Washington · 13314 days ago · 15 km deep · 61 km away
  10. 2.19 km W of Packwood, Washington · 13308 days ago · 8 km deep · 71 km away
  11. 2.410 km W of Packwood, Washington · 13308 days ago · 7 km deep · 71 km away
  12. 1.837 km NNE of Amboy, Washington · 13307 days ago · -2 km deep · 21 km away
  13. 1.538 km NNE of Amboy, Washington · 13305 days ago · -2 km deep · 21 km away
  14. 2.138 km NNE of Amboy, Washington · 13302 days ago · 2 km deep · 21 km away
  15. 2.237 km NNE of Amboy, Washington · 13299 days ago · 3 km deep · 21 km away
  16. 2.337 km NNE of Amboy, Washington · 13299 days ago · 3 km deep · 21 km away
  17. 1.538 km NNE of Amboy, Washington · 13291 days ago · -2 km deep · 22 km away

Before

  1. 1.78 km SE of Mineral, Washington · 13364 days ago · 18 km deep · 63 km away
  2. 1.523 km S of Morton, Washington · 13364 days ago · 7 km deep · 28 km away
  3. 1.612 km SE of Ashford, Washington · 13368 days ago · 7 km deep · 75 km away
  4. 1.72 km ESE of Bridgeton, Oregon · 13368 days ago · 19 km deep · 62 km away
  5. 1.538 km NNE of Amboy, Washington · 13371 days ago · 0 km deep · 21 km away
  6. 1.737 km NNE of Amboy, Washington · 13373 days ago · 3 km deep · 21 km away
  7. 1.728 km SSE of Mossyrock, Washington · 13376 days ago · 6 km deep · 17 km away
  8. 2.237 km NNE of Amboy, Washington · 13378 days ago · 0 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10255833. Read Thu, Oct 1, 2026, 3:13 PM UTC.