Washington earthquakes

M1.5 earthquake 7 km NNW of Entiat, Washington

A magnitude 1.5 earthquake struck 7 km NNW of Entiat, Washington on Wed, Apr 10, 1985, 5:14 PM PST (01:14 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.7 3 km NNE of Waterville, 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
1985-04-11 01:14:56 UTC
Depth
2.8 km (1.8 mi), shallow
Epicenter
47.741° N, 120.231° 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, 1.5 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
135°
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: 12 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.73 km NNE of Waterville, Washington · 15140 days ago · 0 km deep · 15 km away
  2. 3.213 km SE of Kittitas, Washington · 15133 days ago · 5 km deep · 94 km away
  3. 1.813 km SE of Kittitas, Washington · 15133 days ago · 18 km deep · 93 km away
  4. 2.022 km ESE of Malott, Washington · 15121 days ago · 0 km deep · 76 km away
  5. 1.515 km SW of Disautel, Washington · 15114 days ago · 0 km deep · 86 km away
  6. 1.512 km S of South Cle Elum, Washington · 15114 days ago · 1 km deep · 92 km away
  7. 1.52 km NNE of Chelan Falls, Washington · 15101 days ago · -1 km deep · 21 km away
  8. 2.116 km E of Mansfield, Washington · 15101 days ago · 1 km deep · 61 km away
  9. 2.413 km NNW of Vantage, Washington · 15098 days ago · 0 km deep · 77 km away
  10. 2.216 km SE of Okanogan, Washington · 15097 days ago · 5 km deep · 85 km away
  11. 1.77 km W of Entiat, Washington · 15090 days ago · 3 km deep · 10 km away
  12. 1.90 km WSW of Quincy, Washington · 15086 days ago · 0 km deep · 63 km away

Before

  1. 1.513 km ENE of Mansfield, Washington · 15145 days ago · 0 km deep · 59 km away
  2. 1.812 km W of Entiat, Washington · 15154 days ago · 2 km deep · 14 km away
  3. 2.634 km NNW of Leavenworth, Washington · 15159 days ago · 1 km deep · 49 km away
  4. 1.915 km NNW of Vantage, Washington · 15168 days ago · -1 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10186708. Read Wed, Sep 23, 2026, 11:08 PM UTC.