Washington earthquakes

M2.5 earthquake Washington

A magnitude 2.5 earthquake struck in Washington on Thu, Sep 5, 1985, 2:31 PM PDT (21:31 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.7 28 km NE of Trout Lake, 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
2.5 (md), micro
Local time
UTC
1985-09-05 21:31:34 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
46.319° N, 122.233° 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
±0.05
Depth from
From location
Station coverage gap
50°
Stations used
38

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. 2.21 km NE of Brush Prairie, Washington · 14990 days ago · 15 km deep · 68 km away
  2. 1.829 km S of Morton, Washington · 14985 days ago · 10 km deep · 3 km away
  3. 2.37 km SSE of Carbonado, Washington · 14985 days ago · 14 km deep · 80 km away
  4. 1.812 km W of Greenwater, Washington · 14983 days ago · 14 km deep · 99 km away
  5. 1.639 km NNE of Amboy, Washington · 14981 days ago · -2 km deep · 13 km away
  6. 1.92 km NNE of Packwood, Washington · 14975 days ago · 3 km deep · 56 km away
  7. 1.637 km NNE of Amboy, Washington · 14969 days ago · -1 km deep · 14 km away
  8. 2.117 km ESE of Carbonado, Washington · 14966 days ago · 16 km deep · 80 km away
  9. 1.5Washington · 14963 days ago · -1 km deep · 70 km away
  10. 2.728 km NE of Trout Lake, Washington · 14963 days ago · 1 km deep · 75 km away
  11. 2.528 km NE of Trout Lake, Washington · 14963 days ago · -1 km deep · 75 km away
  12. 2.24 km S of Bingen, Washington · 14963 days ago · 7 km deep · 93 km away
  13. 1.611 km NNE of La Center, Washington · 14953 days ago · 8 km deep · 50 km away
  14. 1.523 km E of Castle Rock, Washington · 14952 days ago · 19 km deep · 28 km away
  15. 1.64 km SE of Packwood, Washington · 14949 days ago · 0 km deep · 55 km away
  16. 2.138 km S of Morton, Washington · 14947 days ago · -2 km deep · 12 km away
  17. 1.810 km ESE of Ashford, Washington · 14941 days ago · 2 km deep · 51 km away
  18. 1.6Washington · 14936 days ago · 16 km deep · 25 km away
  19. 2.013 km NNW of Morton, Washington · 14931 days ago · 17 km deep · 39 km away

Before

  1. 1.813 km ESE of Ashford, Washington · 14991 days ago · -1 km deep · 53 km away
  2. 1.538 km NNE of Amboy, Washington · 14996 days ago · -2 km deep · 13 km away
  3. 1.715 km ENE of Packwood, Washington · 15002 days ago · 5 km deep · 69 km away
  4. 1.538 km NNE of Amboy, Washington · 15004 days ago · -2 km deep · 13 km away
  5. 1.538 km NNE of Amboy, Washington · 15004 days ago · -2 km deep · 13 km away
  6. 1.738 km S of Morton, Washington · 15006 days ago · -2 km deep · 12 km away
  7. 1.612 km ESE of Enumclaw, Washington · 15007 days ago · 1 km deep · 97 km away
  8. 1.72 km SSE of Crocker, Washington · 15012 days ago · 0 km deep · 83 km away
  9. 1.58 km SSE of Greenwater, Washington · 15015 days ago · 0 km deep · 99 km away
  10. 2.414 km SSE of Ashford, Washington · 15017 days ago · 8 km deep · 42 km away
  11. 2.05 km SE of Pe Ell, Washington · 15017 days ago · -1 km deep · 81 km away
  12. 1.6Puget Sound region, Washington · 15019 days ago · 0 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10192548. Read Mon, Sep 21, 2026, 7:23 AM UTC.