Washington earthquakes

M1.8 earthquake 10 km ESE of Ashford, Washington

A magnitude 1.8 earthquake struck 10 km ESE of Ashford, Washington on Thu, Oct 24, 1985, 11:03 PM PDT (06:03 UTC), 2 km (2 mi) below the surface.

A larger quake followed: M2.0 13 km NNW of Morton, Washington. This one was a foreshock.

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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
1985-10-25 06:03:30 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
46.719° N, 121.901° 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, 2.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
88°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 1.84 km WSW of Wilderness Rim, Washington · 14940 days ago · 15 km deep · 80 km away
  2. 1.6Washington · 14938 days ago · 16 km deep · 44 km away
  3. 2.013 km NNW of Morton, Washington · 14932 days ago · 17 km deep · 36 km away
  4. 1.58 km NW of Greenwater, Washington · 14931 days ago · -1 km deep · 56 km away
  5. 2.038 km S of Morton, Washington · 14930 days ago · -2 km deep · 60 km away
  6. 2.51 km NNE of Klahanie, Washington · 14930 days ago · 6 km deep · 97 km away
  7. 2.313 km NE of Ashford, Washington · 14930 days ago · 7 km deep · 15 km away
  8. 2.921 km S of Morton, Washington · 14919 days ago · 10 km deep · 48 km away
  9. 2.37 km ESE of Riverbend, Washington · 14909 days ago · 11 km deep · 83 km away
  10. 1.528 km NW of Carson, Washington · 14907 days ago · 11 km deep · 88 km away
  11. 2.112 km N of Mossyrock, Washington · 14899 days ago · 20 km deep · 47 km away
  12. 1.87 km NNE of Elbe, Washington · 14893 days ago · -1 km deep · 24 km away
  13. 1.93 km S of Issaquah, Washington · 14888 days ago · 31 km deep · 87 km away
  14. 1.910 km WSW of Tieton, Washington · 14887 days ago · 5 km deep · 78 km away
  15. 1.719 km S of Morton, Washington · 14887 days ago · 8 km deep · 46 km away
  16. 1.838 km NNE of Amboy, Washington · 14886 days ago · -2 km deep · 61 km away
  17. 1.537 km NNE of Amboy, Washington · 14886 days ago · -2 km deep · 62 km away
  18. 2.238 km NNE of Amboy, Washington · 14885 days ago · -1 km deep · 62 km away
  19. 1.66 km NE of Amboy, Washington · 14884 days ago · 16 km deep · 93 km away

Before

  1. 2.138 km S of Morton, Washington · 14949 days ago · -2 km deep · 61 km away
  2. 1.64 km SE of Packwood, Washington · 14951 days ago · 0 km deep · 26 km away
  3. 2.70 km ENE of Riverbend, Washington · 14952 days ago · 15 km deep · 84 km away
  4. 1.523 km E of Castle Rock, Washington · 14953 days ago · 19 km deep · 71 km away
  5. 2.528 km NE of Trout Lake, Washington · 14964 days ago · -1 km deep · 76 km away
  6. 2.728 km NE of Trout Lake, Washington · 14964 days ago · 1 km deep · 76 km away
  7. 1.5Washington · 14964 days ago · -1 km deep · 18 km away
  8. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 31 km away
  9. 2.02 km NW of Burien, Washington · 14969 days ago · 22 km deep · 93 km away
  10. 2.43 km NW of Burien, Washington · 14969 days ago · 23 km deep · 93 km away
  11. 1.637 km NNE of Amboy, Washington · 14971 days ago · -1 km deep · 62 km away
  12. 2.23 km S of Issaquah, Washington · 14972 days ago · 0 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10201208. Read Tue, Sep 22, 2026, 2:16 PM UTC.