Washington earthquakes

M1.9 earthquake 9 km NE of Snoqualmie, Washington

A magnitude 1.9 earthquake struck 9 km NE of Snoqualmie, Washington on Sat, Jan 29, 1977, 9:39 AM PST (17:39 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.2 9 km NE of Snoqualmie, 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), micro
Local time
UTC
1977-01-29 17:39:35 UTC
Depth
0.1 km (0.1 mi), shallow
Epicenter
47.593° N, 121.750° 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 1.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
178°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.29 km NE of Snoqualmie, Washington · 18133 days ago · 8 km deep · 1 km away
  2. 2.89 km NE of Snoqualmie, Washington · 18132 days ago · 10 km deep · 1 km away
  3. 1.52 km W of White Center, Washington · 18131 days ago · 22 km deep · 48 km away
  4. 2.22 km S of Monroe, Washington · 18129 days ago · 13 km deep · 32 km away
  5. 2.08 km NNE of Tanner, Washington · 18129 days ago · -1 km deep · 7 km away
  6. 2.28 km NE of North Bend, Washington · 18129 days ago · 10 km deep · 5 km away
  7. 1.82 km E of Edmonds, Washington · 18125 days ago · 19 km deep · 51 km away
  8. 1.92 km SSE of Issaquah, Washington · 18122 days ago · -1 km deep · 22 km away
  9. 2.66 km S of Sultan, Washington · 18122 days ago · 16 km deep · 24 km away
  10. 2.23 km NNE of Duvall, Washington · 18121 days ago · 22 km deep · 26 km away
  11. 2.03 km SE of Shoreline, Washington · 18119 days ago · 15 km deep · 45 km away
  12. 1.91 km WNW of SeaTac, Washington · 18113 days ago · 23 km deep · 45 km away
  13. 2.412 km N of Ashford, Washington · 18112 days ago · 1 km deep · 83 km away
  14. 2.31 km NW of Lake Forest Park, Washington · 18110 days ago · 22 km deep · 45 km away
  15. 1.78 km NNE of Snoqualmie, Washington · 18110 days ago · 3 km deep · 1 km away
  16. 1.8Washington · 18104 days ago · 10 km deep · 3 km away
  17. 2.315 km WSW of Greenwater, Washington · 18098 days ago · 8 km deep · 55 km away
  18. 2.6Puget Sound region, Washington · 18096 days ago · 21 km deep · 74 km away
  19. 2.44 km ESE of Hobart, Washington · 18091 days ago · 12 km deep · 24 km away
  20. 1.57 km SSE of Blyn, Washington · 18091 days ago · 20 km deep · 99 km away
  21. 1.71 km SSW of Federal Way, Washington · 18090 days ago · 20 km deep · 53 km away
  22. 2.1Washington · 18089 days ago · 9 km deep · 7 km away
  23. 2.26 km E of Hobart, Washington · 18089 days ago · 13 km deep · 23 km away
  24. 1.76 km SSE of Wilderness Rim, Washington · 18089 days ago · 26 km deep · 22 km away
  25. 2.24 km N of Woods Creek, Washington · 18088 days ago · 9 km deep · 38 km away
  26. 2.1Puget Sound region, Washington · 18088 days ago · 64 km deep · 41 km away
  27. 2.12 km ESE of Issaquah, Washington · 18086 days ago · 31 km deep · 21 km away
  28. 1.65 km WNW of White Center, Washington · 18086 days ago · 21 km deep · 51 km away
  29. 2.316 km SE of Carbonado, Washington · 18084 days ago · 16 km deep · 69 km away
  30. 2.12 km SSE of Dash Point, Washington · 18081 days ago · 14 km deep · 59 km away
  31. 1.78 km NNE of Lake Marcel-Stillwater, Washington · 18081 days ago · 12 km deep · 20 km away
  32. 1.9Puget Sound region, Washington · 18080 days ago · 25 km deep · 37 km away
  33. 2.22 km S of Lake Roesiger, Washington · 18077 days ago · 8 km deep · 43 km away
  34. 2.33 km NNE of Bonney Lake, Washington · 18077 days ago · 8 km deep · 54 km away
  35. 2.82 km N of Bonney Lake, Washington · 18077 days ago · 13 km deep · 54 km away
  36. 2.02 km SSW of Bonney Lake, Washington · 18077 days ago · 25 km deep · 59 km away

Before

  1. 1.87 km SW of Verlot, Washington · 18133 days ago · -1 km deep · 51 km away
  2. 1.98 km ESE of Hobart, Washington · 18135 days ago · 4 km deep · 25 km away
  3. 1.94 km SSE of Seattle, Washington · 18138 days ago · 18 km deep · 42 km away
  4. 2.010 km NE of Snoqualmie, Washington · 18147 days ago · 8 km deep · 1 km away
  5. 2.013 km NNE of Tanner, Washington · 18147 days ago · 12 km deep · 7 km away
  6. 2.39 km N of Greenwater, Washington · 18151 days ago · 14 km deep · 40 km away
  7. 2.22 km ENE of Lake Marcel-Stillwater, Washington · 18152 days ago · 23 km deep · 15 km away
  8. 1.93 km WSW of White Center, Washington · 18154 days ago · 29 km deep · 49 km away
  9. 2.25 km W of Gorst, Washington · 18155 days ago · 19 km deep · 77 km away
  10. 2.02 km NW of Indianola, Washington · 18158 days ago · 19 km deep · 62 km away
  11. 1.820 km N of Leavenworth, Washington · 18160 days ago · 6 km deep · 85 km away
  12. 1.9Puget Sound region, Washington · 18161 days ago · 17 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10843083. Read Tue, Sep 22, 2026, 8:23 AM UTC.