Washington earthquakes

M1.7 earthquake 28 km SSE of Mossyrock, Washington

A magnitude 1.7 earthquake struck 28 km SSE of Mossyrock, Washington on Fri, Feb 16, 1990, 1:26 AM PST (09:26 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 9 km W of Tumwater, Washington. This one was a foreshock.

Mossyrock 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
1990-02-16 09:26:22 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
46.277° N, 122.391° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
59°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.737 km NNE of Amboy, Washington · 13374 days ago · 3 km deep · 18 km away
  2. 2.44 km SSE of DuPont, Washington · 13374 days ago · 24 km deep · 88 km away
  3. 3.09 km W of Tumwater, Washington · 13373 days ago · 44 km deep · 95 km away
  4. 1.538 km NNE of Amboy, Washington · 13372 days ago · 0 km deep · 18 km away
  5. 1.72 km ESE of Bridgeton, Oregon · 13369 days ago · 19 km deep · 78 km away
  6. 1.612 km SE of Ashford, Washington · 13369 days ago · 7 km deep · 59 km away
  7. 1.523 km S of Morton, Washington · 13365 days ago · 7 km deep · 14 km away
  8. 1.78 km SE of Mineral, Washington · 13365 days ago · 18 km deep · 47 km away
  9. 1.613 km E of Wilkeson, Washington · 13361 days ago · 6 km deep · 99 km away
  10. 1.724 km N of Amboy, Washington · 13350 days ago · 6 km deep · 17 km away
  11. 3.013 km NE of Ashford, Washington · 13340 days ago · 9 km deep · 73 km away
  12. 1.70 km SW of Garden Home-Whitford, Oregon · 13334 days ago · 21 km deep · 96 km away
  13. 1.538 km NNE of Amboy, Washington · 13331 days ago · 3 km deep · 18 km away
  14. 2.637 km NNE of Amboy, Washington · 13329 days ago · -2 km deep · 18 km away
  15. 1.522 km ENE of Ashford, Washington · 13327 days ago · -1 km deep · 79 km away
  16. 1.510 km E of Ashford, Washington · 13320 days ago · 7 km deep · 66 km away
  17. 1.838 km NNE of Amboy, Washington · 13319 days ago · -2 km deep · 18 km away
  18. 1.814 km SE of Mossyrock, Washington · 13319 days ago · 17 km deep · 16 km away

Before

  1. 2.237 km NNE of Amboy, Washington · 13378 days ago · 0 km deep · 17 km away
  2. 1.8Washington · 13385 days ago · 0 km deep · 18 km away
  3. 1.838 km NNE of Amboy, Washington · 13385 days ago · -2 km deep · 18 km away
  4. 1.637 km NNE of Amboy, Washington · 13386 days ago · -2 km deep · 18 km away
  5. 1.629 km NNW of Carson, Washington · 13389 days ago · 8 km deep · 46 km away
  6. 2.829 km NNW of Carson, Washington · 13389 days ago · 6 km deep · 46 km away
  7. 1.937 km NNE of Amboy, Washington · 13392 days ago · 5 km deep · 18 km away
  8. 2.030 km N of Amboy, Washington · 13397 days ago · 15 km deep · 11 km away
  9. 1.9Washington · 13398 days ago · 3 km deep · 18 km away
  10. 1.638 km NNE of Amboy, Washington · 13398 days ago · 2 km deep · 18 km away
  11. 1.537 km NNE of Amboy, Washington · 13398 days ago · 3 km deep · 17 km away
  12. 1.614 km SSE of Carbonado, Washington · 13401 days ago · 5 km deep · 82 km away
  13. 1.538 km NNE of Amboy, Washington · 13403 days ago · 3 km deep · 18 km away
  14. 1.638 km NNE of Amboy, Washington · 13404 days ago · -1 km deep · 18 km away
  15. 1.731 km SSE of Morton, Washington · 13405 days ago · -2 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10254918. Read Fri, Oct 2, 2026, 1:17 PM UTC.