Washington earthquakes

M1.8 earthquake 22 km E of Skykomish, Washington

A magnitude 1.8 earthquake struck 22 km E of Skykomish, Washington on Sun, Sep 8, 1985, 5:57 AM PDT (12:57 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.1 0 km E of Entiat, Washington. This one was a foreshock.

Leavenworth 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
1.8 (md), micro
Local time
UTC
1985-09-08 12:57:41 UTC
Depth
0.4 km (0.2 mi), shallow
Epicenter
47.678° N, 121.070° 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 2.3 km horizontally, 16.8 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
115°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.530 km NW of Leavenworth, Washington · 14986 days ago · -1 km deep · 20 km away
  2. 1.812 km W of Greenwater, Washington · 14984 days ago · 14 km deep · 80 km away
  3. 1.83 km E of Manson, Washington · 14982 days ago · 0 km deep · 75 km away
  4. 1.85 km E of Hobart, Washington · 14980 days ago · 10 km deep · 68 km away
  5. 2.10 km E of Entiat, Washington · 14977 days ago · 0 km deep · 65 km away
  6. 2.03 km SSE of Issaquah, Washington · 14976 days ago · -1 km deep · 74 km away
  7. 2.63 km NW of Redmond, Washington · 14974 days ago · 8 km deep · 81 km away
  8. 1.53 km S of Monroe, Washington · 14972 days ago · -1 km deep · 69 km away
  9. 2.23 km S of Issaquah, Washington · 14971 days ago · 0 km deep · 75 km away
  10. 1.516 km SE of Darrington, Washington · 14971 days ago · 9 km deep · 60 km away
  11. 1.61 km NNW of Chelan Falls, Washington · 14970 days ago · 0 km deep · 82 km away
  12. 1.83 km SSW of Swede Heaven, Washington · 14968 days ago · 2 km deep · 82 km away
  13. 1.8Washington · 14967 days ago · 4 km deep · 70 km away
  14. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 97 km away
  15. 1.61 km NNW of Chelan Falls, Washington · 14966 days ago · -1 km deep · 82 km away
  16. 1.59 km WNW of Entiat, Washington · 14960 days ago · 4 km deep · 56 km away
  17. 3.29 km NNW of Entiat, Washington · 14957 days ago · 6 km deep · 61 km away
  18. 1.94 km E of Granite Falls, Washington · 14953 days ago · -1 km deep · 78 km away
  19. 2.70 km ENE of Riverbend, Washington · 14952 days ago · 15 km deep · 56 km away
  20. 1.84 km WSW of Wilderness Rim, Washington · 14940 days ago · 15 km deep · 63 km away
  21. 1.87 km N of Waterville, Washington · 14937 days ago · 5 km deep · 76 km away
  22. 2.23 km SW of Swede Heaven, Washington · 14931 days ago · 2 km deep · 83 km away
  23. 1.58 km NW of Greenwater, Washington · 14930 days ago · -1 km deep · 72 km away
  24. 2.51 km NNE of Klahanie, Washington · 14930 days ago · 6 km deep · 70 km away

Before

  1. 1.61 km N of Chelan Falls, Washington · 14989 days ago · 0 km deep · 83 km away
  2. 2.1Washington · 15000 days ago · 2 km deep · 58 km away
  3. 1.54 km N of Seattle, Washington · 15004 days ago · 21 km deep · 95 km away
  4. 1.811 km SW of Ellensburg, Washington · 15005 days ago · 9 km deep · 89 km away
  5. 1.77 km N of Methow, Washington · 15006 days ago · -1 km deep · 99 km away
  6. 1.612 km ESE of Enumclaw, Washington · 15008 days ago · 1 km deep · 83 km away
  7. 1.61 km NW of Lake Roesiger, Washington · 15010 days ago · 12 km deep · 74 km away
  8. 1.58 km SSE of Greenwater, Washington · 15016 days ago · 0 km deep · 76 km away
  9. 1.61 km N of Chelan Falls, Washington · 15019 days ago · 0 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10192973. Read Tue, Sep 22, 2026, 6:06 AM UTC.