Washington earthquakes

M1.9 earthquake 10 km ENE of Snoqualmie, Washington

A magnitude 1.9 earthquake struck 10 km ENE of Snoqualmie, Washington on Thu, Apr 5, 1990, 11:29 PM PDT (06:29 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M2.9 3 km WSW of Swede Heaven, Washington. This one was a foreshock.

Snoqualmie 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
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-04-06 06:29:23 UTC
Depth
12.4 km (7.7 mi), shallow
Epicenter
47.577° N, 121.702° 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 0.8 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
67°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.522 km ENE of Ashford, Washington · 13327 days ago · -1 km deep · 81 km away
  2. 2.32 km SE of Maple Heights-Lake Desire, Washington · 13323 days ago · 19 km deep · 32 km away
  3. 2.32 km SE of Maple Heights-Lake Desire, Washington · 13323 days ago · 16 km deep · 33 km away
  4. 2.43 km WSW of Swede Heaven, Washington · 13320 days ago · 2 km deep · 78 km away
  5. 1.510 km E of Ashford, Washington · 13319 days ago · 7 km deep · 91 km away
  6. 1.73 km WSW of Swede Heaven, Washington · 13319 days ago · 2 km deep · 78 km away
  7. 1.54 km NW of Kingston, Washington · 13316 days ago · 20 km deep · 68 km away
  8. 1.73 km WSW of Swede Heaven, Washington · 13316 days ago · 2 km deep · 78 km away
  9. 1.76 km ENE of Verlot, Washington · 13313 days ago · 15 km deep · 60 km away
  10. 2.93 km WSW of Swede Heaven, Washington · 13311 days ago · 3 km deep · 77 km away
  11. 2.13 km SW of Swede Heaven, Washington · 13311 days ago · 3 km deep · 77 km away
  12. 1.56 km W of Burley, Washington · 13311 days ago · 19 km deep · 78 km away
  13. 1.76 km SSW of Hansville, Washington · 13310 days ago · 18 km deep · 74 km away
  14. 2.54 km SSW of Gorst, Washington · 13310 days ago · 44 km deep · 77 km away
  15. 1.87 km ENE of Verlot, Washington · 13305 days ago · 11 km deep · 59 km away
  16. 1.54 km SW of Darrington, Washington · 13305 days ago · 4 km deep · 72 km away
  17. 1.82 km N of Kingston, Washington · 13303 days ago · 21 km deep · 65 km away
  18. 1.727 km ENE of Ashford, Washington · 13299 days ago · -2 km deep · 76 km away
  19. 1.94 km NNE of Woods Creek, Washington · 13288 days ago · 15 km deep · 41 km away
  20. 1.514 km NE of Ashford, Washington · 13285 days ago · 7 km deep · 84 km away
  21. 2.03 km SSW of Rosedale, Washington · 13284 days ago · 26 km deep · 80 km away
  22. 2.623 km ENE of Ashford, Washington · 13279 days ago · -2 km deep · 80 km away
  23. 1.92 km ESE of Alder, Washington · 13279 days ago · 17 km deep · 97 km away
  24. 1.63 km ENE of Burley, Washington · 13278 days ago · 42 km deep · 69 km away
  25. 2.023 km ENE of Ashford, Washington · 13271 days ago · -1 km deep · 80 km away

Before

  1. 2.14 km WSW of Rosedale, Washington · 13332 days ago · 23 km deep · 81 km away
  2. 1.52 km NNE of Tanner, Washington · 13335 days ago · 14 km deep · 10 km away
  3. 3.013 km NE of Ashford, Washington · 13339 days ago · 9 km deep · 82 km away
  4. 2.28 km NNE of Cashmere, Washington · 13340 days ago · 7 km deep · 97 km away
  5. 2.4Puget Sound region, Washington · 13345 days ago · 16 km deep · 47 km away
  6. 3.0Puget Sound region, Washington · 13348 days ago · 6 km deep · 53 km away
  7. 1.51 km ESE of Maple Heights-Lake Desire, Washington · 13348 days ago · 15 km deep · 32 km away
  8. 1.83 km NE of Bryant, Washington · 13349 days ago · 17 km deep · 82 km away
  9. 1.93 km WSW of Swede Heaven, Washington · 13354 days ago · 2 km deep · 78 km away
  10. 1.63 km WSW of Swede Heaven, Washington · 13355 days ago · 2 km deep · 78 km away
  11. 2.72 km WSW of Swede Heaven, Washington · 13355 days ago · 1 km deep · 78 km away
  12. 1.52 km WSW of Swede Heaven, Washington · 13355 days ago · 2 km deep · 78 km away
  13. 1.53 km SW of Swede Heaven, Washington · 13356 days ago · 7 km deep · 76 km away
  14. 2.93 km WSW of Swede Heaven, Washington · 13356 days ago · 2 km deep · 77 km away
  15. 2.53 km WSW of Swede Heaven, Washington · 13356 days ago · 2 km deep · 77 km away
  16. 3.62 km WSW of Swede Heaven, Washington · 13356 days ago · 3 km deep · 77 km away
  17. 1.53 km SW of Swede Heaven, Washington · 13356 days ago · 3 km deep · 76 km away
  18. 1.93 km WSW of Swede Heaven, Washington · 13357 days ago · 2 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10255798. Read Fri, Oct 2, 2026, 1:02 AM UTC.