Washington earthquakes

M1.5 earthquake 2 km W of Entiat, Washington

A magnitude 1.5 earthquake struck 2 km W of Entiat, Washington on Sun, Oct 16, 1983, 12:47 AM PDT (07:47 UTC), 0 km (0 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1983-10-16 07:47:27 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
47.678° N, 120.238° 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
±0.08
Depth from
From location
Station coverage gap
115°
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 8 in the 30 days before it.

After

  1. 2.13 km E of Cle Elum, Washington · 15689 days ago · -1 km deep · 73 km away
  2. 1.64 km W of Entiat, Washington · 15688 days ago · 5 km deep · 2 km away
  3. 1.65 km NNE of Entiat, Washington · 15681 days ago · 0 km deep · 6 km away
  4. 2.28 km S of Leavenworth, Washington · 15680 days ago · 1 km deep · 35 km away
  5. 1.86 km N of Waterville, Washington · 15675 days ago · 0 km deep · 13 km away
  6. 1.77 km NNE of Waterville, Washington · 15673 days ago · 0 km deep · 16 km away
  7. 1.89 km WNW of Entiat, Washington · 15671 days ago · 2 km deep · 8 km away
  8. 1.711 km NW of Okanogan, Washington · 15669 days ago · 23 km deep · 94 km away
  9. 1.54 km N of Entiat, Washington · 15669 days ago · 0 km deep · 5 km away
  10. 2.00 km NE of Roslyn, Washington · 15665 days ago · 3 km deep · 75 km away
  11. 2.314 km E of Mansfield, Washington · 15652 days ago · -1 km deep · 61 km away
  12. 1.813 km W of Entiat, Washington · 15645 days ago · -1 km deep · 11 km away
  13. 3.214 km SW of Ellensburg, Washington · 15642 days ago · 11 km deep · 91 km away
  14. 1.74 km SW of West Wenatchee, Washington · 15639 days ago · 8 km deep · 31 km away
  15. 1.98 km SSE of Leavenworth, Washington · 15637 days ago · 9 km deep · 32 km away
  16. 1.96 km SSW of Entiat, Washington · 15635 days ago · 7 km deep · 6 km away

Before

  1. 1.69 km NNE of Waterville, Washington · 15693 days ago · 4 km deep · 18 km away
  2. 2.023 km E of Mansfield, Washington · 15698 days ago · 3 km deep · 70 km away
  3. 1.54 km N of Entiat, Washington · 15700 days ago · 0 km deep · 5 km away
  4. 1.68 km N of Entiat, Washington · 15708 days ago · 5 km deep · 9 km away
  5. 2.013 km N of Quincy, Washington · 15709 days ago · 0 km deep · 45 km away
  6. 1.54 km SSW of West Wenatchee, Washington · 15709 days ago · 8 km deep · 32 km away
  7. 2.15 km SSE of Entiat, Washington · 15712 days ago · 5 km deep · 7 km away
  8. 1.55 km WSW of Waterville, Washington · 15717 days ago · 0 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10168878. Read Thu, Oct 1, 2026, 7:29 PM UTC.