Washington earthquakes

M1.6 earthquake 29 km NNW of Carson, Washington

A magnitude 1.6 earthquake struck 29 km NNW of Carson, Washington on Sat, Feb 3, 1990, 7:45 PM PST (03:45 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.0 13 km NE of Ashford, Washington. This one was a foreshock.

Carson 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
1990-02-04 03:45:44 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
45.955° N, 122.011° 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 0.6 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
108°
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: 15 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.637 km NNE of Amboy, Washington · 13385 days ago · -2 km deep · 30 km away
  2. 1.838 km NNE of Amboy, Washington · 13384 days ago · -2 km deep · 30 km away
  3. 1.8Washington · 13384 days ago · 0 km deep · 31 km away
  4. 2.237 km NNE of Amboy, Washington · 13377 days ago · 0 km deep · 31 km away
  5. 1.728 km SSE of Mossyrock, Washington · 13376 days ago · 6 km deep · 46 km away
  6. 1.737 km NNE of Amboy, Washington · 13373 days ago · 3 km deep · 30 km away
  7. 1.538 km NNE of Amboy, Washington · 13370 days ago · 0 km deep · 31 km away
  8. 1.72 km ESE of Bridgeton, Oregon · 13368 days ago · 19 km deep · 63 km away
  9. 1.612 km SE of Ashford, Washington · 13368 days ago · 7 km deep · 82 km away
  10. 1.523 km S of Morton, Washington · 13364 days ago · 7 km deep · 47 km away
  11. 1.78 km SE of Mineral, Washington · 13364 days ago · 18 km deep · 78 km away
  12. 1.724 km N of Amboy, Washington · 13349 days ago · 6 km deep · 39 km away
  13. 3.013 km NE of Ashford, Washington · 13339 days ago · 9 km deep · 100 km away
  14. 1.70 km SW of Garden Home-Whitford, Oregon · 13333 days ago · 21 km deep · 81 km away
  15. 1.538 km NNE of Amboy, Washington · 13330 days ago · 3 km deep · 31 km away

Before

  1. 2.829 km NNW of Carson, Washington · 13388 days ago · 6 km deep · 0 km away
  2. 2.34 km WSW of Mulino, Oregon · 13390 days ago · 21 km deep · 96 km away
  3. 1.937 km NNE of Amboy, Washington · 13391 days ago · 5 km deep · 30 km away
  4. 2.030 km N of Amboy, Washington · 13396 days ago · 15 km deep · 39 km away
  5. 1.9Washington · 13397 days ago · 3 km deep · 31 km away
  6. 1.638 km NNE of Amboy, Washington · 13397 days ago · 2 km deep · 31 km away
  7. 1.537 km NNE of Amboy, Washington · 13397 days ago · 3 km deep · 31 km away
  8. 1.538 km NNE of Amboy, Washington · 13402 days ago · 3 km deep · 31 km away
  9. 1.638 km NNE of Amboy, Washington · 13403 days ago · -1 km deep · 31 km away
  10. 1.731 km SSE of Morton, Washington · 13404 days ago · -2 km deep · 38 km away
  11. 1.525 km S of Morton, Washington · 13408 days ago · 12 km deep · 46 km away
  12. 1.68 km SSE of Mineral, Washington · 13411 days ago · 18 km deep · 78 km away
  13. 1.68 km SE of Mineral, Washington · 13414 days ago · 18 km deep · 79 km away
  14. 2.738 km NNE of Amboy, Washington · 13417 days ago · 0 km deep · 32 km away
  15. 1.58 km SE of Mineral, Washington · 13417 days ago · 16 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10252653. Read Thu, Oct 1, 2026, 1:08 PM UTC.