Washington earthquakes

M1.9 earthquake 13 km E of Bridgeport, Washington

A magnitude 1.9 earthquake struck 13 km E of Bridgeport, Washington on Wed, Sep 4, 1985, 7:19 AM PDT (14:19 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.2 9 km NNW of Entiat, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1985-09-04 14:19:54 UTC
Depth
-0.2 km (-0.1 mi), shallow
Epicenter
48.011° N, 119.492° 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 1.8 km horizontally
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
112°
Stations used
8

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 5 in the 30 days before it.

After

  1. 1.61 km N of Chelan Falls, Washington · 14997 days ago · 0 km deep · 42 km away
  2. 2.113 km E of Bridgeport, Washington · 14997 days ago · 0 km deep · 1 km away
  3. 1.83 km E of Manson, Washington · 14990 days ago · 0 km deep · 49 km away
  4. 2.10 km E of Entiat, Washington · 14985 days ago · 0 km deep · 65 km away
  5. 2.218 km E of Mansfield, Washington · 14982 days ago · 0 km deep · 23 km away
  6. 2.118 km NNW of Banks Lake South, Washington · 14980 days ago · 0 km deep · 27 km away
  7. 1.61 km NNW of Chelan Falls, Washington · 14978 days ago · 0 km deep · 43 km away
  8. 2.01 km SW of Quincy, Washington · 14977 days ago · 0 km deep · 92 km away
  9. 2.517 km NNW of Banks Lake South, Washington · 14977 days ago · 0 km deep · 28 km away
  10. 1.8Washington · 14974 days ago · 4 km deep · 58 km away
  11. 1.61 km NNW of Chelan Falls, Washington · 14974 days ago · -1 km deep · 43 km away
  12. 2.2Washington · 14973 days ago · -1 km deep · 87 km away
  13. 1.59 km WNW of Entiat, Washington · 14968 days ago · 4 km deep · 70 km away
  14. 3.29 km NNW of Entiat, Washington · 14965 days ago · 6 km deep · 65 km away
  15. 1.821 km WNW of Republic, Washington · 14964 days ago · 8 km deep · 86 km away
  16. 2.112 km SE of Bridgeport, Washington · 14964 days ago · 0 km deep · 12 km away
  17. 2.417 km NNW of Banks Lake South, Washington · 14963 days ago · 0 km deep · 28 km away
  18. 1.87 km N of Waterville, Washington · 14945 days ago · 5 km deep · 53 km away
  19. 1.75 km SSE of Coulee City, Washington · 14942 days ago · 0 km deep · 52 km away

Before

  1. 2.415 km ESE of Mansfield, Washington · 15004 days ago · -1 km deep · 27 km away
  2. 1.913 km E of Mansfield, Washington · 15004 days ago · -1 km deep · 22 km away
  3. 2.1Washington · 15008 days ago · 2 km deep · 71 km away
  4. 1.77 km N of Methow, Washington · 15014 days ago · -1 km deep · 43 km away
  5. 1.61 km N of Chelan Falls, Washington · 15026 days ago · 0 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10192253. Read Wed, Sep 30, 2026, 3:20 AM UTC.