Washington earthquakes

M1.6 earthquake 0 km NE of Conway, Washington

A magnitude 1.6 earthquake struck 0 km NE of Conway, Washington on Sat, Jan 27, 1990, 4:20 AM PST (12:20 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.6 2 km WSW of Swede Heaven, Washington. This one was a foreshock.

Lake Ketchum 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
1990-01-27 12:20:22 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
48.345° N, 122.335° 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, 1.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
78°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.62 km S of Bothell, Washington · 13393 days ago · 12 km deep · 68 km away
  2. 2.52 km SW of Woodway, Washington · 13386 days ago · 20 km deep · 63 km away
  3. 1.95 km SE of Swede Heaven, Washington · 13386 days ago · 8 km deep · 49 km away
  4. 2.22 km ENE of Keyport, Washington · 13380 days ago · 17 km deep · 73 km away
  5. 2.32 km E of Keyport, Washington · 13380 days ago · 17 km deep · 74 km away
  6. 1.82 km ENE of Keyport, Washington · 13379 days ago · 17 km deep · 74 km away
  7. 3.45 km NNW of Woods Creek, Washington · 13378 days ago · 16 km deep · 56 km away
  8. 1.92 km W of Duvall, Washington · 13375 days ago · 23 km deep · 71 km away
  9. 2.47 km ESE of Verlot, Washington · 13372 days ago · 3 km deep · 57 km away
  10. 1.913 km ENE of Verlot, Washington · 13371 days ago · 8 km deep · 59 km away
  11. 1.63 km E of Granite Falls, Washington · 13370 days ago · -1 km deep · 42 km away
  12. 1.64 km SW of Big Lake, Washington · 13370 days ago · 14 km deep · 5 km away
  13. 1.52 km SW of Sudden Valley, Washington · 13367 days ago · 8 km deep · 40 km away
  14. 2.12 km NW of Lyman, Washington · 13362 days ago · 0 km deep · 28 km away
  15. 2.62 km WNW of Mirrormont, Washington · 13359 days ago · 14 km deep · 100 km away
  16. 1.93 km WSW of Swede Heaven, Washington · 13357 days ago · 2 km deep · 42 km away
  17. 1.53 km SW of Swede Heaven, Washington · 13357 days ago · 3 km deep · 44 km away
  18. 3.62 km WSW of Swede Heaven, Washington · 13356 days ago · 3 km deep · 43 km away
  19. 2.53 km WSW of Swede Heaven, Washington · 13356 days ago · 2 km deep · 43 km away
  20. 2.93 km WSW of Swede Heaven, Washington · 13356 days ago · 2 km deep · 43 km away
  21. 1.53 km SW of Swede Heaven, Washington · 13356 days ago · 7 km deep · 44 km away
  22. 1.52 km WSW of Swede Heaven, Washington · 13355 days ago · 2 km deep · 43 km away
  23. 2.41 km WNW of Lyman, Washington · 13355 days ago · -1 km deep · 28 km away
  24. 2.3Washington · 13355 days ago · 0 km deep · 28 km away
  25. 2.72 km WSW of Swede Heaven, Washington · 13355 days ago · 1 km deep · 43 km away
  26. 1.63 km WSW of Swede Heaven, Washington · 13355 days ago · 2 km deep · 42 km away
  27. 1.93 km WSW of Swede Heaven, Washington · 13354 days ago · 2 km deep · 43 km away
  28. 2.16 km SW of Lyman, Washington · 13351 days ago · 3 km deep · 22 km away
  29. 1.83 km NE of Bryant, Washington · 13350 days ago · 17 km deep · 18 km away
  30. 2.17 km SSW of Aldergrove, Canada · 13349 days ago · 13 km deep · 74 km away
  31. 1.50 km ENE of Sudden Valley, Washington · 13346 days ago · 16 km deep · 42 km away
  32. 2.4Puget Sound region, Washington · 13346 days ago · 16 km deep · 51 km away
  33. 1.91 km NW of Lyman, Washington · 13341 days ago · -1 km deep · 29 km away

Before

  1. 1.63 km WSW of Swede Heaven, Washington · 13403 days ago · 2 km deep · 42 km away
  2. 2.53 km WSW of Swede Heaven, Washington · 13403 days ago · 2 km deep · 43 km away
  3. 2.23 km W of Swede Heaven, Washington · 13403 days ago · 1 km deep · 43 km away
  4. 2.11 km SSE of Erlands Point-Kitsap Lake, Washington · 13406 days ago · 15 km deep · 89 km away
  5. 2.13 km ESE of Kirkland, Washington · 13410 days ago · 21 km deep · 76 km away
  6. 1.75 km WSW of Erlands Point-Kitsap Lake, Washington · 13417 days ago · 14 km deep · 92 km away
  7. 1.83 km ENE of Enetai, Washington · 13421 days ago · 17 km deep · 85 km away
  8. 1.92 km S of Issaquah, Washington · 13424 days ago · -1 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10258108. Read Fri, Oct 2, 2026, 7:25 AM UTC.