Washington earthquakes

M1.5 earthquake 10 km NE of Snoqualmie, Washington

A magnitude 1.5 earthquake struck 10 km NE of Snoqualmie, Washington on Sun, Feb 3, 1985, 10:10 AM PST (18:10 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M1.8 15 km NNE of Ashford, 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
1.5 (md), micro
Local time
UTC
1985-02-03 18:10:23 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
47.602° N, 121.743° 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, 0.8 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
81°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.815 km NNE of Ashford, Washington · 15203 days ago · 10 km deep · 81 km away
  2. 1.81 km SE of Maplewood, Washington · 15201 days ago · 46 km deep · 64 km away
  3. 2.03 km WSW of North Bend, Washington · 15200 days ago · 18 km deep · 15 km away
  4. 1.93 km WSW of Lake Marcel-Stillwater, Washington · 15200 days ago · 10 km deep · 19 km away
  5. 1.55 km W of Wilderness Rim, Washington · 15193 days ago · 25 km deep · 19 km away
  6. 1.64 km N of Bryant, Washington · 15190 days ago · 14 km deep · 81 km away
  7. 1.85 km SW of Wilderness Rim, Washington · 15189 days ago · 18 km deep · 21 km away
  8. 1.84 km NNE of East Renton Highlands, Washington · 15188 days ago · 15 km deep · 28 km away
  9. 1.57 km WSW of Port Ludlow, Washington · 15185 days ago · 53 km deep · 85 km away
  10. 2.72 km ENE of Silvana, Washington · 15184 days ago · 4 km deep · 76 km away
  11. 2.21 km SSE of Freeland, Washington · 15184 days ago · 25 km deep · 73 km away
  12. 3.73 km E of Bethel, Washington · 15180 days ago · 47 km deep · 64 km away
  13. 3.13 km N of Bryant, Washington · 15176 days ago · 15 km deep · 81 km away
  14. 1.51 km SSE of Carnation, Washington · 15174 days ago · 11 km deep · 13 km away
  15. 1.79 km NW of Belfair, Washington · 15174 days ago · 13 km deep · 90 km away
  16. 1.59 km E of Ashford, Washington · 15173 days ago · 5 km deep · 94 km away
  17. 1.65 km E of Granite Falls, WA · 15173 days ago · -1 km deep · 56 km away
  18. 2.53 km SSW of Greenwater, Washington · 15164 days ago · 16 km deep · 53 km away
  19. 1.91 km SE of Shoreline, Washington · 15164 days ago · 21 km deep · 47 km away
  20. 3.52 km ENE of Rosedale, Washington · 15162 days ago · 53 km deep · 72 km away
  21. 1.64 km WSW of Monroe, Washington · 15160 days ago · -1 km deep · 34 km away
  22. 3.00 km SSW of Bellevue, Washington · 15160 days ago · 7 km deep · 35 km away
  23. 1.71 km SSE of Medina, Washington · 15160 days ago · 1 km deep · 36 km away
  24. 2.634 km NNW of Leavenworth, Washington · 15157 days ago · 1 km deep · 73 km away
  25. 2.71 km WSW of Bellevue, Washington · 15156 days ago · 2 km deep · 35 km away
  26. 2.02 km SW of Bellevue, Washington · 15156 days ago · 8 km deep · 36 km away
  27. 1.56 km ENE of Snoqualmie, Washington · 15155 days ago · -1 km deep · 5 km away
  28. 1.54 km SSW of Orting, Washington · 15153 days ago · 0 km deep · 70 km away
  29. 2.01 km SSE of Swede Heaven, Washington · 15152 days ago · 1 km deep · 75 km away
  30. 3.36 km WSW of Lake Cavanaugh, Washington · 15150 days ago · 11 km deep · 83 km away
  31. 2.53 km SE of Swede Heaven, Washington · 15145 days ago · 0 km deep · 73 km away

Before

  1. 1.96 km WSW of Lake Cavanaugh, Washington · 15206 days ago · 12 km deep · 83 km away
  2. 1.76 km WSW of Lake Cavanaugh, Washington · 15206 days ago · 12 km deep · 83 km away
  3. 1.77 km NE of Quilcene, Washington · 15206 days ago · 46 km deep · 85 km away
  4. 1.60 km WNW of Everett, Washington · 15207 days ago · 18 km deep · 55 km away
  5. 1.55 km S of Lake Roesiger, Washington · 15207 days ago · -1 km deep · 39 km away
  6. 1.79 km NNE of Snoqualmie, Washington · 15207 days ago · 14 km deep · 1 km away
  7. 2.73 km SW of Wilderness Rim, Washington · 15210 days ago · 17 km deep · 20 km away
  8. 1.93 km E of Granite Falls, Washington · 15213 days ago · -1 km deep · 56 km away
  9. 1.75 km ENE of Big Lake, Washington · 15213 days ago · 8 km deep · 96 km away
  10. 1.65 km E of Lake Bosworth, Washington · 15215 days ago · -1 km deep · 51 km away
  11. 2.25 km SW of Woodway, Washington · 15216 days ago · 18 km deep · 55 km away
  12. 2.65 km SW of Woodway, Washington · 15217 days ago · 18 km deep · 55 km away
  13. 2.713 km NNE of Ashford, Washington · 15218 days ago · 12 km deep · 84 km away
  14. 1.74 km NNE of Bangor Trident Base, Washington · 15219 days ago · 17 km deep · 74 km away
  15. 1.73 km SW of Easton, Washington · 15220 days ago · 4 km deep · 58 km away
  16. 1.73 km E of Hobart, Washington · 15221 days ago · 3 km deep · 25 km away
  17. 1.92 km SW of Easton, Washington · 15224 days ago · 5 km deep · 58 km away
  18. 2.48 km NNE of Lake Marcel-Stillwater, Washington · 15228 days ago · 1 km deep · 20 km away
  19. 1.78 km SSE of Leavenworth, Washington · 15228 days ago · 1 km deep · 84 km away
  20. 3.38 km N of Quilcene, Washington · 15229 days ago · 21 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10185643. Read Tue, Sep 22, 2026, 3:10 AM UTC.