Washington earthquakes

M1.5 earthquake 14 km SSE of Ashford, Washington

A magnitude 1.5 earthquake struck 14 km SSE of Ashford, Washington on Sat, Dec 28, 1985, 4:33 PM PST (00:33 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.0 19 km SSE of Carbonado, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1985-12-29 00:33:17 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
46.647° N, 121.942° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.08
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: 19 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.538 km NNE of Amboy, Washington · 14884 days ago · -2 km deep · 53 km away
  2. 2.54 km NNE of La Center, WA · 14882 days ago · 16 km deep · 100 km away
  3. 1.522 km ESE of Packwood, Washington · 14882 days ago · -1 km deep · 44 km away
  4. 1.723 km ESE of Packwood, Washington · 14882 days ago · -1 km deep · 44 km away
  5. 3.019 km SSE of Carbonado, Washington · 14881 days ago · 10 km deep · 32 km away
  6. 1.613 km SSW of Thorp, Washington · 14873 days ago · 6 km deep · 97 km away
  7. 1.637 km S of Morton, Washington · 14865 days ago · 0 km deep · 50 km away
  8. 1.620 km S of Morton, Washington · 14864 days ago · 8 km deep · 39 km away
  9. 1.812 km ENE of Yacolt, Washington · 14861 days ago · 6 km deep · 87 km away
  10. 1.52 km WNW of East Hill-Meridian, Washington · 14861 days ago · 40 km deep · 88 km away
  11. 1.5Washington-Oregon border region · 14852 days ago · -1 km deep · 96 km away
  12. 1.638 km NNE of Amboy, Washington · 14852 days ago · -2 km deep · 53 km away
  13. 1.638 km NNE of Amboy, Washington · 14850 days ago · -2 km deep · 52 km away
  14. 2.45 km ESE of Black Diamond, Washington · 14850 days ago · 12 km deep · 71 km away
  15. 2.112 km ESE of Tanner, Washington · 14845 days ago · 10 km deep · 93 km away
  16. 1.838 km NNE of Amboy, Washington · 14843 days ago · -2 km deep · 53 km away
  17. 2.138 km NNE of Amboy, Washington · 14836 days ago · -1 km deep · 53 km away
  18. 2.10 km WNW of Normandy Park, Washington · 14835 days ago · 17 km deep · 93 km away
  19. 1.70 km NNE of Normandy Park, Washington · 14831 days ago · 18 km deep · 93 km away

Before

  1. 1.59 km ENE of Kalama, Washington · 14887 days ago · 14 km deep · 91 km away
  2. 1.87 km NNE of Elbe, Washington · 14888 days ago · 4 km deep · 27 km away
  3. 3.018 km SE of Carbonado, Washington · 14888 days ago · 6 km deep · 36 km away
  4. 1.524 km S of Morton, Washington · 14889 days ago · 7 km deep · 41 km away
  5. 2.424 km S of Morton, Washington · 14889 days ago · 6 km deep · 41 km away
  6. 3.124 km S of Morton, Washington · 14889 days ago · 6 km deep · 41 km away
  7. 1.725 km E of Castle Rock, Washington · 14890 days ago · 17 km deep · 64 km away
  8. 1.66 km NE of Amboy, Washington · 14893 days ago · 16 km deep · 84 km away
  9. 2.238 km NNE of Amboy, Washington · 14893 days ago · -1 km deep · 53 km away
  10. 1.537 km NNE of Amboy, Washington · 14894 days ago · -2 km deep · 53 km away
  11. 1.838 km NNE of Amboy, Washington · 14895 days ago · -2 km deep · 52 km away
  12. 1.719 km S of Morton, Washington · 14896 days ago · 8 km deep · 38 km away
  13. 1.910 km WSW of Tieton, Washington · 14896 days ago · 5 km deep · 81 km away
  14. 1.93 km S of Issaquah, Washington · 14896 days ago · 31 km deep · 95 km away
  15. 1.87 km NNE of Elbe, Washington · 14902 days ago · -1 km deep · 27 km away
  16. 2.112 km N of Mossyrock, Washington · 14907 days ago · 20 km deep · 43 km away
  17. 1.528 km NW of Carson, Washington · 14916 days ago · 11 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10201223. Read Thu, Oct 1, 2026, 9:18 AM UTC.