Washington earthquakes

M1.5 earthquake 8 km WSW of Entiat, Washington

A magnitude 1.5 earthquake struck 8 km WSW of Entiat, Washington on Sat, Jul 20, 1985, 1:42 PM PDT (20:42 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.5 14 km ESE of Mansfield, Washington. This one was a foreshock.

Entiat 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
1.5 (md), micro
Local time
UTC
1985-07-20 20:42:46 UTC
Depth
-0.8 km (-0.5 mi), shallow
Epicenter
47.641° N, 120.312° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
86°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.514 km ESE of Mansfield, Washington · 15037 days ago · 0 km deep · 66 km away
  2. 2.714 km ESE of Mansfield, Washington · 15035 days ago · -1 km deep · 66 km away
  3. 1.5Washington · 15034 days ago · 0 km deep · 31 km away
  4. 1.529 km NW of Leavenworth, Washington · 15034 days ago · 0 km deep · 47 km away
  5. 2.110 km WNW of Entiat, Washington · 15031 days ago · 6 km deep · 10 km away
  6. 2.35 km E of Entiat, Washington · 15030 days ago · 3 km deep · 14 km away
  7. 1.512 km ENE of Mansfield, Washington · 15027 days ago · 0 km deep · 66 km away
  8. 1.829 km NW of Leavenworth, Washington · 15021 days ago · -1 km deep · 48 km away
  9. 1.61 km N of Chelan Falls, Washington · 15019 days ago · 0 km deep · 31 km away
  10. 2.19 km WSW of Royal City, Washington · 15008 days ago · 0 km deep · 94 km away
  11. 1.77 km N of Methow, Washington · 15007 days ago · -1 km deep · 67 km away
  12. 1.811 km SW of Ellensburg, Washington · 15006 days ago · 9 km deep · 84 km away
  13. 1.914 km NW of Mattawa, Washington · 15004 days ago · 0 km deep · 94 km away
  14. 2.1Washington · 15001 days ago · 2 km deep · 3 km away
  15. 1.913 km E of Mansfield, Washington · 14997 days ago · -1 km deep · 67 km away
  16. 2.415 km ESE of Mansfield, Washington · 14997 days ago · -1 km deep · 66 km away
  17. 1.913 km E of Bridgeport, Washington · 14993 days ago · 0 km deep · 74 km away
  18. 2.213 km WNW of Mattawa, Washington · 14992 days ago · 0 km deep · 95 km away
  19. 1.61 km N of Chelan Falls, Washington · 14990 days ago · 0 km deep · 32 km away
  20. 2.113 km E of Bridgeport, Washington · 14990 days ago · 0 km deep · 73 km away
  21. 1.822 km E of Skykomish, Washington · 14989 days ago · 0 km deep · 57 km away
  22. 1.530 km NW of Leavenworth, Washington · 14987 days ago · -1 km deep · 48 km away
  23. 1.83 km E of Manson, Washington · 14983 days ago · 0 km deep · 30 km away

Before

  1. 1.721 km NW of Granite Falls, Washington · 15039 days ago · 0 km deep · 45 km away
  2. 1.52 km SW of Entiat, Washington · 15044 days ago · 0 km deep · 6 km away
  3. 2.313 km S of Leavenworth, Washington · 15058 days ago · -1 km deep · 33 km away
  4. 2.50 km W of Quincy, Washington · 15063 days ago · 2 km deep · 57 km away
  5. 1.79 km ESE of Chelan Falls, Washington · 15065 days ago · 9 km deep · 35 km away
  6. 1.73 km NNE of Waterville, Washington · 15069 days ago · 7 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10193868. Read Tue, Sep 22, 2026, 9:20 PM UTC.