Washington earthquakes

M1.5 earthquake 8 km SSE of Greenwater, Washington

A magnitude 1.5 earthquake struck 8 km SSE of Greenwater, Washington on Mon, Aug 12, 1985, 9:36 AM PDT (16:36 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.0 4 km WSW of Des Moines, Washington. This one was a foreshock.

Enumclaw 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, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1985-08-12 16:36:01 UTC
Depth
0.1 km (0.0 mi), shallow
Epicenter
47.090° N, 121.591° 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 1.3 km horizontally
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
115°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.72 km SSE of Crocker, Washington · 15025 days ago · 0 km deep · 38 km away
  2. 1.612 km ESE of Enumclaw, Washington · 15020 days ago · 1 km deep · 20 km away
  3. 1.811 km SW of Ellensburg, Washington · 15017 days ago · 9 km deep · 73 km away
  4. 1.54 km N of Seattle, Washington · 15015 days ago · 21 km deep · 83 km away
  5. 1.715 km ENE of Packwood, Washington · 15014 days ago · 5 km deep · 47 km away
  6. 1.813 km ESE of Ashford, Washington · 15004 days ago · -1 km deep · 45 km away
  7. 2.5Washington · 15003 days ago · 6 km deep · 99 km away
  8. 1.822 km E of Skykomish, Washington · 15000 days ago · 0 km deep · 76 km away
  9. 1.65 km NNW of Maplewood, Washington · 14999 days ago · 17 km deep · 84 km away
  10. 2.52 km SW of Des Moines, Washington · 14998 days ago · 14 km deep · 66 km away
  11. 1.52 km SW of Des Moines, Washington · 14998 days ago · 15 km deep · 66 km away
  12. 1.530 km NW of Leavenworth, Washington · 14998 days ago · -1 km deep · 96 km away
  13. 2.37 km SSE of Carbonado, Washington · 14997 days ago · 14 km deep · 33 km away
  14. 1.812 km W of Greenwater, Washington · 14995 days ago · 14 km deep · 19 km away
  15. 3.04 km WSW of Des Moines, Washington · 14994 days ago · 19 km deep · 69 km away
  16. 1.85 km E of Hobart, Washington · 14992 days ago · 10 km deep · 44 km away
  17. 2.03 km SSE of Issaquah, Washington · 14988 days ago · -1 km deep · 56 km away
  18. 1.92 km NNE of Packwood, Washington · 14987 days ago · 3 km deep · 51 km away
  19. 2.63 km NW of Redmond, Washington · 14985 days ago · 8 km deep · 79 km away
  20. 1.53 km S of Monroe, Washington · 14983 days ago · -1 km deep · 86 km away
  21. 2.23 km S of Issaquah, Washington · 14983 days ago · 0 km deep · 56 km away
  22. 1.82 km WNW of Navy Yard City, Washington · 14982 days ago · 13 km deep · 98 km away
  23. 2.43 km NW of Burien, Washington · 14980 days ago · 23 km deep · 74 km away
  24. 2.02 km NW of Burien, Washington · 14980 days ago · 22 km deep · 74 km away
  25. 2.117 km ESE of Carbonado, Washington · 14978 days ago · 16 km deep · 23 km away
  26. 1.5Washington · 14975 days ago · -1 km deep · 29 km away
  27. 1.68 km NNE of Selah, Washington · 14970 days ago · 19 km deep · 92 km away

Before

  1. 2.414 km SSE of Ashford, Washington · 15029 days ago · 8 km deep · 56 km away
  2. 1.6Puget Sound region, Washington · 15031 days ago · 0 km deep · 44 km away
  3. 1.829 km NW of Leavenworth, Washington · 15032 days ago · -1 km deep · 96 km away
  4. 1.515 km E of Greenwater, Washington · 15033 days ago · -1 km deep · 13 km away
  5. 1.67 km NE of Ashford, Washington · 15033 days ago · 10 km deep · 43 km away
  6. 2.013 km E of Wilkeson, Washington · 15035 days ago · 10 km deep · 21 km away
  7. 1.76 km NW of Tieton, Washington · 15036 days ago · 5 km deep · 70 km away
  8. 1.64 km WSW of Monroe, Washington · 15037 days ago · -1 km deep · 89 km away
  9. 1.53 km SW of Mirrormont, Washington · 15037 days ago · 21 km deep · 51 km away
  10. 1.97 km SSE of Carbonado, Washington · 15038 days ago · 15 km deep · 32 km away
  11. 1.96 km S of Ashford, Washington · 15040 days ago · 8 km deep · 54 km away
  12. 1.84 km WSW of Wilderness Rim, Washington · 15043 days ago · 17 km deep · 42 km away
  13. 2.126 km S of Morton, Washington · 15043 days ago · 8 km deep · 98 km away
  14. 1.722 km S of Greenwater, Washington · 15043 days ago · 19 km deep · 15 km away
  15. 1.529 km NW of Leavenworth, Washington · 15045 days ago · 0 km deep · 95 km away
  16. 1.76 km SSW of Morton, Washington · 15055 days ago · 18 km deep · 85 km away
  17. 1.84 km WSW of Gorst, Washington · 15055 days ago · 15 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10194128. Read Sat, Oct 3, 2026, 10:48 AM UTC.