Washington earthquakes

M1.5 earthquake 9 km WNW of Entiat, Washington

A magnitude 1.5 earthquake struck 9 km WNW of Entiat, Washington on Mon, Jul 25, 1983, 1:15 AM PDT (08:15 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.6 6 km NW 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1983-07-25 08:15:22 UTC
Depth
3.0 km (1.9 mi), shallow
Epicenter
47.720° N, 120.318° 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, 1.2 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
121°
Stations used
7

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.77 km NNE of Entiat, Washington · 15769 days ago · 0 km deep · 12 km away
  2. 1.511 km WSW of Cashmere, Washington · 15767 days ago · 0 km deep · 33 km away
  3. 1.64 km S of Entiat, Washington · 15762 days ago · 0 km deep · 12 km away
  4. 1.812 km SW of Methow, Washington · 15749 days ago · 19 km deep · 41 km away
  5. 1.640 km WSW of Twisp, Washington · 15743 days ago · 6 km deep · 66 km away
  6. 1.937 km WSW of Winthrop, Washington · 15743 days ago · 5 km deep · 71 km away
  7. 1.94 km SW of Chelan Falls, Washington · 15735 days ago · 3 km deep · 23 km away
  8. 2.411 km NW of Entiat, Washington · 15724 days ago · 3 km deep · 2 km away
  9. 2.56 km NW of Entiat, Washington · 15724 days ago · 4 km deep · 4 km away
  10. 2.66 km NW of Entiat, Washington · 15724 days ago · 4 km deep · 3 km away
  11. 1.55 km WSW of Waterville, Washington · 15718 days ago · 0 km deep · 16 km away

Before

  1. 2.56 km NNW of Waterville, Washington · 15776 days ago · 0 km deep · 16 km away
  2. 1.514 km W of Entiat, Washington · 15777 days ago · 3 km deep · 9 km away
  3. 2.217 km NNE of May Creek, Washington · 15778 days ago · 0 km deep · 99 km away
  4. 2.22 km NNE of Entiat, Washington · 15791 days ago · 5 km deep · 10 km away
  5. 1.74 km NNE of Waterville, Washington · 15794 days ago · 6 km deep · 20 km away
  6. 1.81 km WSW of Entiat, Washington · 15795 days ago · 4 km deep · 8 km away
  7. 2.18 km SSE of Leavenworth, Washington · 15796 days ago · 8 km deep · 31 km away
  8. 1.86 km NNW of Waterville, Washington · 15799 days ago · 3 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10162423. Read Fri, Oct 2, 2026, 4:24 AM UTC.