Washington earthquakes

M1.5 earthquake 4 km N of Entiat, Washington

A magnitude 1.5 earthquake struck 4 km N of Entiat, Washington on Sun, Feb 26, 1984, 5:08 AM PST (13:08 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.9 5 km W 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), micro
Local time
UTC
1984-02-26 13:08:57 UTC
Depth
3.4 km (2.1 mi), shallow
Epicenter
47.719° N, 120.210° 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 0.3 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
138°
Stations used
5

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 7 in the 30 days before it.

After

  1. 1.95 km W of Entiat, Washington · 15548 days ago · 7 km deep · 7 km away
  2. 1.55 km SW of Entiat, Washington · 15540 days ago · 0 km deep · 10 km away
  3. 1.614 km SSE of Kittitas, Washington · 15539 days ago · 0 km deep · 96 km away
  4. 2.111 km N of Sunnyslope, Washington · 15528 days ago · 9 km deep · 18 km away
  5. 1.77 km SW of South Cle Elum, Washington · 15524 days ago · 8 km deep · 89 km away
  6. 2.25 km ESE of Entiat, Washington · 15522 days ago · 0 km deep · 9 km away
  7. 1.67 km NW of Entiat, Washington · 15521 days ago · 7 km deep · 5 km away
  8. 1.92 km ESE of Entiat, Washington · 15507 days ago · 0 km deep · 6 km away
  9. 4.313 km ENE of Sunnyslope, Washington · 15505 days ago · 7 km deep · 21 km away
  10. 2.06 km SSW of Chelan Falls, Washington · 15505 days ago · 5 km deep · 14 km away
  11. 2.111 km E of Kittitas, Washington · 15495 days ago · 0 km deep · 82 km away
  12. 2.08 km SSE of Leavenworth, Washington · 15493 days ago · 0 km deep · 39 km away

Before

  1. 2.06 km NE of Waterville, Washington · 15553 days ago · 3 km deep · 14 km away
  2. 1.59 km NNE of Waterville, Washington · 15556 days ago · 7 km deep · 15 km away
  3. 2.38 km SSE of Leavenworth, Washington · 15557 days ago · 6 km deep · 37 km away
  4. 1.513 km W of Entiat, Washington · 15558 days ago · 0 km deep · 15 km away
  5. 1.64 km W of South Wenatchee, Washington · 15559 days ago · 3 km deep · 38 km away
  6. 1.66 km NE of Waterville, Washington · 15571 days ago · 1 km deep · 14 km away
  7. 2.312 km WSW of Entiat, Washington · 15577 days ago · 3 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10179293. Read Tue, Sep 22, 2026, 10:27 PM UTC.