Washington earthquakes

M1.6 earthquake 4 km W of Entiat, Washington

A magnitude 1.6 earthquake struck 4 km W of Entiat, Washington on Wed, Oct 19, 1983, 1:12 PM PDT (20:12 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.2 14 km SW of Ellensburg, 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
1.6 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1983-10-19 20:12:04 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
47.681° N, 120.267° 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 0.9 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
118°
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: 14 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.65 km NNE of Entiat, Washington · 15683 days ago · 0 km deep · 8 km away
  2. 2.28 km S of Leavenworth, Washington · 15681 days ago · 1 km deep · 33 km away
  3. 1.86 km N of Waterville, Washington · 15676 days ago · 0 km deep · 15 km away
  4. 1.77 km NNE of Waterville, Washington · 15674 days ago · 0 km deep · 18 km away
  5. 1.89 km WNW of Entiat, Washington · 15672 days ago · 2 km deep · 6 km away
  6. 1.711 km NW of Okanogan, Washington · 15670 days ago · 23 km deep · 95 km away
  7. 1.54 km N of Entiat, Washington · 15670 days ago · 0 km deep · 6 km away
  8. 2.00 km NE of Roslyn, Washington · 15666 days ago · 3 km deep · 74 km away
  9. 2.314 km E of Mansfield, Washington · 15653 days ago · -1 km deep · 63 km away
  10. 1.813 km W of Entiat, Washington · 15647 days ago · -1 km deep · 9 km away
  11. 3.214 km SW of Ellensburg, Washington · 15643 days ago · 11 km deep · 91 km away
  12. 1.74 km SW of West Wenatchee, Washington · 15640 days ago · 8 km deep · 30 km away
  13. 1.98 km SSE of Leavenworth, Washington · 15638 days ago · 9 km deep · 31 km away
  14. 1.96 km SSW of Entiat, Washington · 15636 days ago · 7 km deep · 6 km away

Before

  1. 2.13 km E of Cle Elum, Washington · 15691 days ago · -1 km deep · 71 km away
  2. 1.52 km W of Entiat, Washington · 15693 days ago · 0 km deep · 2 km away
  3. 1.69 km NNE of Waterville, Washington · 15694 days ago · 4 km deep · 20 km away
  4. 2.023 km E of Mansfield, Washington · 15700 days ago · 3 km deep · 72 km away
  5. 1.54 km N of Entiat, Washington · 15701 days ago · 0 km deep · 6 km away
  6. 1.68 km N of Entiat, Washington · 15709 days ago · 5 km deep · 9 km away
  7. 2.013 km N of Quincy, Washington · 15710 days ago · 0 km deep · 46 km away
  8. 1.54 km SSW of West Wenatchee, Washington · 15710 days ago · 8 km deep · 32 km away
  9. 2.15 km SSE of Entiat, Washington · 15714 days ago · 5 km deep · 9 km away
  10. 1.55 km WSW of Waterville, Washington · 15719 days ago · 0 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10169888. Read Fri, Oct 2, 2026, 10:37 PM UTC.