Washington earthquakes

M1.6 earthquake 4 km SE of Packwood, Washington

A magnitude 1.6 earthquake struck 4 km SE of Packwood, Washington on Wed, Oct 16, 1985, 5:24 PM PDT (00:24 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.1 38 km S of Morton, Washington. This one was a foreshock.

Morton 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
1.6 (md), micro
Local time
UTC
1985-10-17 00:24:39 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
46.584° N, 121.625° 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 1.5 km horizontally
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
125°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.138 km S of Morton, Washington · 14949 days ago · -2 km deep · 60 km away
  2. 1.810 km ESE of Ashford, Washington · 14943 days ago · 2 km deep · 26 km away
  3. 1.84 km WSW of Wilderness Rim, Washington · 14940 days ago · 15 km deep · 96 km away
  4. 1.6Washington · 14938 days ago · 16 km deep · 59 km away
  5. 2.013 km NNW of Morton, Washington · 14933 days ago · 17 km deep · 57 km away
  6. 1.58 km NW of Greenwater, Washington · 14931 days ago · -1 km deep · 70 km away
  7. 2.038 km S of Morton, Washington · 14931 days ago · -2 km deep · 59 km away
  8. 2.313 km NE of Ashford, Washington · 14930 days ago · 7 km deep · 38 km away
  9. 2.921 km S of Morton, Washington · 14919 days ago · 10 km deep · 54 km away
  10. 2.37 km ESE of Riverbend, Washington · 14909 days ago · 11 km deep · 96 km away
  11. 1.528 km NW of Carson, Washington · 14908 days ago · 11 km deep · 79 km away
  12. 2.112 km N of Mossyrock, Washington · 14899 days ago · 20 km deep · 68 km away
  13. 1.87 km NNE of Elbe, Washington · 14893 days ago · -1 km deep · 50 km away

Before

  1. 2.70 km ENE of Riverbend, Washington · 14952 days ago · 15 km deep · 99 km away
  2. 1.523 km E of Castle Rock, Washington · 14954 days ago · 19 km deep · 81 km away
  3. 1.68 km NNE of Selah, Washington · 14959 days ago · 19 km deep · 88 km away
  4. 2.528 km NE of Trout Lake, Washington · 14964 days ago · -1 km deep · 52 km away
  5. 2.728 km NE of Trout Lake, Washington · 14964 days ago · 1 km deep · 52 km away
  6. 1.5Washington · 14965 days ago · -1 km deep · 32 km away
  7. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 49 km away
  8. 1.637 km NNE of Amboy, Washington · 14971 days ago · -1 km deep · 61 km away
  9. 1.92 km NNE of Packwood, Washington · 14976 days ago · 3 km deep · 6 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10200303. Read Tue, Sep 22, 2026, 8:27 PM UTC.