Washington earthquakes

M1.9 earthquake 6 km SSW of Entiat, Washington

A magnitude 1.9 earthquake struck 6 km SSW of Entiat, Washington on Sun, Dec 11, 1983, 6:45 AM PST (14:45 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.3 7 km NE of Entiat, 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
1.9 (md), micro
Local time
UTC
1983-12-11 14:45:42 UTC
Depth
7.3 km (4.5 mi), shallow
Epicenter
47.626° N, 120.254° 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 3.0 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
144°
Stations used
6

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 7 in the 30 days before it.

After

  1. 1.910 km ENE of Mansfield, Washington · 15618 days ago · 0 km deep · 61 km away
  2. 2.37 km NE of Entiat, Washington · 15612 days ago · 4 km deep · 13 km away
  3. 1.712 km NNE of Ronald, Washington · 15605 days ago · 9 km deep · 61 km away
  4. 1.811 km NW of Soap Lake, Washington · 15604 days ago · 12 km deep · 53 km away
  5. 1.79 km SSE of Leavenworth, Washington · 15601 days ago · -1 km deep · 30 km away
  6. 1.79 km SSE of Leavenworth, Washington · 15599 days ago · 7 km deep · 28 km away
  7. 1.67 km NE of Naches, Washington · 15596 days ago · 6 km deep · 99 km away
  8. 1.638 km NNW of Leavenworth, Washington · 15592 days ago · 12 km deep · 54 km away
  9. 2.413 km ESE of Okanogan, Washington · 15589 days ago · 0 km deep · 97 km away
  10. 1.818 km NNW of Banks Lake South, Washington · 15586 days ago · 0 km deep · 68 km away
  11. 1.98 km ENE of Kittitas, Washington · 15585 days ago · 4 km deep · 70 km away
  12. 1.813 km WSW of Entiat, Washington · 15584 days ago · 1 km deep · 9 km away
  13. 1.632 km NNW of Leavenworth, Washington · 15583 days ago · 6 km deep · 47 km away
  14. 1.912 km E of Chelan Falls, Washington · 15580 days ago · 0 km deep · 39 km away
  15. 2.312 km WSW of Entiat, Washington · 15577 days ago · 3 km deep · 8 km away
  16. 1.66 km NE of Waterville, Washington · 15570 days ago · 1 km deep · 19 km away

Before

  1. 1.98 km SSE of Leavenworth, Washington · 15628 days ago · 9 km deep · 29 km away
  2. 1.74 km SW of West Wenatchee, Washington · 15630 days ago · 8 km deep · 25 km away
  3. 3.214 km SW of Ellensburg, Washington · 15632 days ago · 11 km deep · 85 km away
  4. 2.17 km NE of Naches, Washington · 15634 days ago · 5 km deep · 98 km away
  5. 1.813 km W of Entiat, Washington · 15636 days ago · -1 km deep · 11 km away
  6. 2.314 km E of Mansfield, Washington · 15643 days ago · -1 km deep · 64 km away
  7. 2.00 km NE of Roslyn, Washington · 15656 days ago · 3 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10170313. Read Tue, Sep 22, 2026, 3:38 PM UTC.