Washington earthquakes

M1.8 earthquake 6 km SSW of Morton, Washington

A magnitude 1.8 earthquake struck 6 km SSW of Morton, Washington on Fri, Jun 21, 1985, 6:24 AM PDT (13:24 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.0 38 km NNE of Amboy, 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
1.8 (md), micro
Local time
UTC
1985-06-21 13:24:20 UTC
Depth
19.0 km (11.8 mi), shallow
Epicenter
46.502° N, 122.312° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
43°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 168 in the 30 days before it.

After

  1. 1.61 km E of Pe Ell, Washington · 15062 days ago · 31 km deep · 74 km away
  2. 2.038 km NNE of Amboy, Washington · 15061 days ago · -1 km deep · 35 km away
  3. 2.07 km SW of Prescott, Oregon · 15059 days ago · 19 km deep · 75 km away
  4. 2.122 km ENE of Ashford, Washington · 15058 days ago · 0 km deep · 57 km away
  5. 2.123 km ENE of Ashford, Washington · 15057 days ago · -1 km deep · 58 km away
  6. 1.76 km ENE of Enumclaw, Washington · 15056 days ago · 4 km deep · 86 km away
  7. 1.829 km NW of Trout Lake, Washington · 15053 days ago · -1 km deep · 54 km away
  8. 1.76 km SSW of Morton, Washington · 15043 days ago · 18 km deep · 1 km away
  9. 1.938 km NNE of Amboy, Washington · 15040 days ago · -1 km deep · 35 km away
  10. 2.036 km WNW of Trout Lake, Washington · 15039 days ago · 2 km deep · 51 km away
  11. 1.722 km S of Greenwater, Washington · 15032 days ago · 19 km deep · 73 km away
  12. 2.126 km S of Morton, Washington · 15032 days ago · 8 km deep · 21 km away
  13. 1.931 km S of Morton, Washington · 15029 days ago · 3 km deep · 26 km away
  14. 1.738 km NNE of Amboy, Washington · 15029 days ago · -2 km deep · 35 km away
  15. 1.96 km S of Ashford, Washington · 15029 days ago · 8 km deep · 31 km away
  16. 2.25 km ESE of Kalama, Washington · 15027 days ago · 18 km deep · 67 km away
  17. 1.97 km SSE of Carbonado, Washington · 15026 days ago · 15 km deep · 62 km away
  18. 2.013 km E of Wilkeson, Washington · 15024 days ago · 10 km deep · 73 km away
  19. 1.67 km NE of Ashford, Washington · 15022 days ago · 10 km deep · 43 km away
  20. 1.515 km E of Greenwater, Washington · 15022 days ago · -1 km deep · 98 km away
  21. 1.6Puget Sound region, Washington · 15020 days ago · 0 km deep · 58 km away
  22. 1.85 km SW of Lebam, Washington · 15018 days ago · 7 km deep · 98 km away
  23. 2.05 km SE of Pe Ell, Washington · 15018 days ago · -1 km deep · 71 km away
  24. 2.414 km SSE of Ashford, Washington · 15018 days ago · 8 km deep · 32 km away
  25. 1.58 km SSE of Greenwater, Washington · 15016 days ago · 0 km deep · 85 km away
  26. 1.72 km SSE of Crocker, Washington · 15013 days ago · 0 km deep · 65 km away
  27. 1.612 km ESE of Enumclaw, Washington · 15008 days ago · 1 km deep · 81 km away

Before

  1. 2.46 km WSW of Felida, Washington · 15076 days ago · 17 km deep · 98 km away
  2. 1.87 km WSW of Felida, Washington · 15077 days ago · 17 km deep · 98 km away
  3. 1.67 km SW of Packwood, Washington · 15078 days ago · -1 km deep · 44 km away
  4. 1.638 km NNE of Amboy, Washington · 15080 days ago · -2 km deep · 35 km away
  5. 2.022 km ENE of Ashford, Washington · 15080 days ago · 1 km deep · 57 km away
  6. 1.538 km NNE of Amboy, Washington · 15081 days ago · -1 km deep · 35 km away
  7. 2.86 km WSW of Felida, Washington · 15082 days ago · 19 km deep · 98 km away
  8. 1.716 km NNE of Ashford, Washington · 15084 days ago · 14 km deep · 52 km away
  9. 2.037 km NNE of Amboy, Washington · 15085 days ago · 0 km deep · 35 km away
  10. 2.438 km NNE of Amboy, Washington · 15085 days ago · 0 km deep · 35 km away
  11. 2.437 km NNE of Amboy, Washington · 15085 days ago · 0 km deep · 35 km away
  12. 2.737 km NNE of Amboy, Washington · 15085 days ago · -1 km deep · 35 km away
  13. 2.138 km NNE of Amboy, Washington · 15085 days ago · -1 km deep · 35 km away
  14. 2.137 km NNE of Amboy, Washington · 15085 days ago · 0 km deep · 35 km away
  15. 2.037 km NNE of Amboy, Washington · 15085 days ago · 0 km deep · 35 km away
  16. 1.837 km NNE of Amboy, Washington · 15085 days ago · 0 km deep · 35 km away
  17. 1.638 km NNE of Amboy, Washington · 15085 days ago · -2 km deep · 34 km away
  18. 1.738 km NNE of Amboy, Washington · 15085 days ago · -2 km deep · 35 km away
  19. 2.338 km NNE of Amboy, Washington · 15085 days ago · 0 km deep · 35 km away
  20. 2.337 km NNE of Amboy, Washington · 15086 days ago · -1 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10198228. Read Tue, Sep 22, 2026, 6:01 AM UTC.