Washington earthquakes

M2.2 earthquake 37 km NNE of Amboy, Washington

A magnitude 2.2 earthquake struck 37 km NNE of Amboy, Washington on Sun, Sep 16, 1990, 2:21 PM PDT (21:21 UTC), -2 km (-1 mi) below the surface.

A larger quake followed: M2.9 3 km ENE of Kelso, 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
2.2 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-09-16 21:21:38 UTC
Depth
-1.7 km (-1.1 mi), shallow
Epicenter
46.197° N, 122.193° 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 0.0 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
105°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.525 km ENE of Ashford, Washington · 13164 days ago · -2 km deep · 83 km away
  2. 1.614 km NNW of Amboy, Washington · 13161 days ago · 19 km deep · 31 km away
  3. 2.638 km NNE of Amboy, Washington · 13158 days ago · 0 km deep · 1 km away
  4. 1.638 km NE of Amboy, Washington · 13158 days ago · -1 km deep · 2 km away
  5. 2.93 km ENE of Kelso, Washington · 13154 days ago · 22 km deep · 52 km away
  6. 2.63 km ENE of Kelso, Washington · 13154 days ago · 21 km deep · 52 km away
  7. 1.65 km ESE of West Side Highway, Washington · 13152 days ago · 19 km deep · 51 km away
  8. 2.15 km NW of Mount Hood, Oregon · 13150 days ago · 5 km deep · 82 km away
  9. 2.019 km S of Morton, Washington · 13150 days ago · 19 km deep · 22 km away
  10. 2.027 km ENE of Ashford, Washington · 13141 days ago · -2 km deep · 85 km away
  11. 1.724 km SE of Carbonado, Washington · 13127 days ago · -1 km deep · 88 km away
  12. 1.736 km NNE of Amboy, Washington · 13127 days ago · -2 km deep · 1 km away
  13. 1.738 km NNE of Amboy, Washington · 13127 days ago · -2 km deep · 1 km away
  14. 2.315 km ESE of Kapowsin, Washington · 13123 days ago · 6 km deep · 80 km away
  15. 1.615 km ESE of Kapowsin, Washington · 13123 days ago · 6 km deep · 80 km away
  16. 1.926 km ENE of Ashford, Washington · 13120 days ago · -2 km deep · 84 km away
  17. 2.036 km S of Morton, Washington · 13116 days ago · 0 km deep · 4 km away
  18. 1.923 km S of Morton, Washington · 13112 days ago · 7 km deep · 17 km away
  19. 1.88 km NNE of Government Camp, Oregon · 13112 days ago · 3 km deep · 100 km away
  20. 1.621 km E of Kelso, Washington · 13111 days ago · 13 km deep · 35 km away
  21. 1.55 km SW of Pe Ell, Washington · 13109 days ago · 25 km deep · 96 km away
  22. 1.723 km ENE of Ashford, Washington · 13108 days ago · -2 km deep · 81 km away
  23. 1.838 km NNE of Amboy, Washington · 13107 days ago · -2 km deep · 1 km away

Before

  1. 2.7Washington · 13167 days ago · 20 km deep · 71 km away
  2. 1.537 km NNE of Amboy, Washington · 13172 days ago · 5 km deep · 1 km away
  3. 1.524 km ENE of Ashford, Washington · 13172 days ago · -2 km deep · 82 km away
  4. 1.717 km ENE of Ashford, Washington · 13173 days ago · -1 km deep · 76 km away
  5. 2.04 km E of Mossyrock, Washington · 13174 days ago · 20 km deep · 41 km away
  6. 2.337 km NNE of Amboy, Washington · 13174 days ago · -1 km deep · 1 km away
  7. 1.537 km NE of Amboy, Washington · 13178 days ago · 14 km deep · 16 km away
  8. 1.637 km NNE of Amboy, Washington · 13178 days ago · 0 km deep · 1 km away
  9. 1.838 km NNE of Amboy, Washington · 13181 days ago · 0 km deep · 1 km away
  10. 2.138 km NNE of Amboy, Washington · 13181 days ago · 0 km deep · 1 km away
  11. 1.537 km NNE of Amboy, Washington · 13181 days ago · 1 km deep · 1 km away
  12. 2.224 km N of Packwood, Washington · 13181 days ago · -1 km deep · 79 km away
  13. 1.538 km NNE of Amboy, Washington · 13184 days ago · 2 km deep · 1 km away
  14. 1.723 km N of Packwood, Washington · 13188 days ago · 3 km deep · 78 km away
  15. 1.537 km NNE of Amboy, Washington · 13188 days ago · 3 km deep · 0 km away
  16. 2.038 km NNE of Amboy, Washington · 13196 days ago · -2 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10264038. Read Sun, Oct 4, 2026, 1:12 AM UTC.