Washington earthquakes

M1.6 earthquake Washington

A magnitude 1.6 earthquake struck in Washington on Tue, Oct 29, 1985, 6:05 PM PST (02:05 UTC), 16 km (10 mi) below the surface.

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

Mossyrock forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1985-10-30 02:05:05 UTC
Depth
16.4 km (10.2 mi), shallow
Epicenter
46.517° N, 122.395° 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
±0.09
Depth from
From location
Station coverage gap
84°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.013 km NNW of Morton, Washington · 14932 days ago · 17 km deep · 16 km away
  2. 1.58 km NW of Greenwater, Washington · 14931 days ago · -1 km deep · 92 km away
  3. 2.038 km S of Morton, Washington · 14930 days ago · -2 km deep · 37 km away
  4. 2.313 km NE of Ashford, Washington · 14930 days ago · 7 km deep · 52 km away
  5. 2.921 km S of Morton, Washington · 14919 days ago · 10 km deep · 20 km away
  6. 1.528 km NW of Carson, Washington · 14907 days ago · 11 km deep · 71 km away
  7. 2.112 km N of Mossyrock, Washington · 14899 days ago · 20 km deep · 16 km away
  8. 1.87 km NNE of Elbe, Washington · 14893 days ago · -1 km deep · 39 km away
  9. 1.719 km S of Morton, Washington · 14887 days ago · 8 km deep · 19 km away
  10. 1.838 km NNE of Amboy, Washington · 14886 days ago · -2 km deep · 37 km away
  11. 1.537 km NNE of Amboy, Washington · 14885 days ago · -2 km deep · 37 km away
  12. 2.238 km NNE of Amboy, Washington · 14885 days ago · -1 km deep · 38 km away
  13. 1.66 km NE of Amboy, Washington · 14884 days ago · 16 km deep · 63 km away
  14. 1.725 km E of Castle Rock, Washington · 14881 days ago · 17 km deep · 30 km away
  15. 3.124 km S of Morton, Washington · 14880 days ago · 6 km deep · 23 km away
  16. 2.424 km S of Morton, Washington · 14880 days ago · 6 km deep · 23 km away
  17. 1.524 km S of Morton, Washington · 14880 days ago · 7 km deep · 23 km away
  18. 3.018 km SE of Carbonado, Washington · 14879 days ago · 6 km deep · 64 km away
  19. 1.87 km NNE of Elbe, Washington · 14879 days ago · 4 km deep · 39 km away
  20. 1.59 km ENE of Kalama, Washington · 14879 days ago · 14 km deep · 60 km away
  21. 1.514 km SSE of Ashford, Washington · 14878 days ago · 8 km deep · 37 km away

Before

  1. 1.810 km ESE of Ashford, Washington · 14942 days ago · 2 km deep · 44 km away
  2. 2.138 km S of Morton, Washington · 14949 days ago · -2 km deep · 37 km away
  3. 1.64 km SE of Packwood, Washington · 14951 days ago · 0 km deep · 59 km away
  4. 1.523 km E of Castle Rock, Washington · 14953 days ago · 19 km deep · 29 km away
  5. 1.611 km NNE of La Center, Washington · 14955 days ago · 8 km deep · 64 km away
  6. 2.528 km NE of Trout Lake, Washington · 14964 days ago · -1 km deep · 93 km away
  7. 2.728 km NE of Trout Lake, Washington · 14964 days ago · 1 km deep · 93 km away
  8. 1.5Washington · 14964 days ago · -1 km deep · 61 km away
  9. 2.117 km ESE of Carbonado, Washington · 14967 days ago · 16 km deep · 67 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10201898. Read Tue, Sep 22, 2026, 2:04 PM UTC.