Washington earthquakes

M2.2 earthquake 18 km E of Mansfield, Washington

A magnitude 2.2 earthquake struck 18 km E of Mansfield, Washington on Mon, Sep 23, 1985, 4:19 AM PDT (11:19 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.5 17 km NNW of Banks Lake South, Washington. This one was a foreshock.

Coulee City 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
2.2 (md), micro
Local time
UTC
1985-09-23 11:19:04 UTC
Depth
-0.5 km (-0.3 mi), shallow
Epicenter
47.813° N, 119.393° 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 0.7 km horizontally
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
99°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.118 km NNW of Banks Lake South, Washington · 14973 days ago · 0 km deep · 4 km away
  2. 1.61 km NNW of Chelan Falls, Washington · 14971 days ago · 0 km deep · 45 km away
  3. 2.01 km SW of Quincy, Washington · 14970 days ago · 0 km deep · 74 km away
  4. 2.517 km NNW of Banks Lake South, Washington · 14970 days ago · 0 km deep · 5 km away
  5. 1.8Washington · 14968 days ago · 4 km deep · 56 km away
  6. 1.61 km NNW of Chelan Falls, Washington · 14967 days ago · -1 km deep · 45 km away
  7. 1.59 km WNW of Entiat, Washington · 14961 days ago · 4 km deep · 70 km away
  8. 3.29 km NNW of Entiat, Washington · 14958 days ago · 6 km deep · 66 km away
  9. 2.112 km SE of Bridgeport, Washington · 14957 days ago · 0 km deep · 18 km away
  10. 2.417 km NNW of Banks Lake South, Washington · 14956 days ago · 0 km deep · 5 km away
  11. 1.87 km N of Waterville, Washington · 14938 days ago · 5 km deep · 51 km away
  12. 1.75 km SSE of Coulee City, Washington · 14935 days ago · 0 km deep · 29 km away
  13. 1.912 km NNE of Mansfield, Washington · 14931 days ago · 0 km deep · 18 km away
  14. 2.017 km NNW of Banks Lake South, Washington · 14927 days ago · -1 km deep · 5 km away
  15. 2.11 km ENE of Riverside, Washington · 14921 days ago · 11 km deep · 77 km away
  16. 2.26 km NW of Entiat, Washington · 14917 days ago · 7 km deep · 66 km away

Before

  1. 2.10 km E of Entiat, Washington · 14978 days ago · 0 km deep · 62 km away
  2. 1.83 km E of Manson, Washington · 14983 days ago · 0 km deep · 54 km away
  3. 2.113 km E of Bridgeport, Washington · 14990 days ago · 0 km deep · 22 km away
  4. 1.61 km N of Chelan Falls, Washington · 14990 days ago · 0 km deep · 44 km away
  5. 1.913 km E of Bridgeport, Washington · 14994 days ago · 0 km deep · 23 km away
  6. 2.415 km ESE of Mansfield, Washington · 14997 days ago · -1 km deep · 6 km away
  7. 1.913 km E of Mansfield, Washington · 14997 days ago · -1 km deep · 4 km away
  8. 2.1Washington · 15001 days ago · 2 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10195628. Read Wed, Sep 23, 2026, 5:42 AM UTC.