Washington earthquakes

M2.9 earthquake 6 km ENE of Chelan, Washington

A magnitude 2.9 earthquake struck 6 km ENE of Chelan, Washington on Fri, Apr 22, 1988, 2:42 AM PDT (09:42 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.3 8 km WSW of Entiat, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.9 (md), micro
Local time
UTC
1988-04-22 09:42:11 UTC
Depth
-0.4 km (-0.2 mi), shallow
Epicenter
47.856° N, 119.930° 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 0.6 km horizontally
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
90°
Stations used
25

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 3 in the 30 days before it.

After

  1. 1.96 km ENE of Chelan, Washington · 14032 days ago · 0 km deep · 0 km away
  2. 1.55 km E of Chelan, Washington · 14032 days ago · 3 km deep · 1 km away
  3. 1.84 km WNW of Waterville, Washington · 14032 days ago · 3 km deep · 25 km away
  4. 1.52 km SW of Entiat, Washington · 14024 days ago · -1 km deep · 32 km away
  5. 1.516 km NNW of Banks Lake South, Washington · 14022 days ago · 0 km deep · 44 km away
  6. 2.617 km NNW of Banks Lake South, Washington · 14022 days ago · -1 km deep · 43 km away
  7. 3.38 km WSW of Entiat, Washington · 14020 days ago · 6 km deep · 37 km away
  8. 1.56 km ENE of Chelan, Washington · 14012 days ago · -1 km deep · 0 km away
  9. 2.54 km WSW of Mansfield, Washington · 13997 days ago · 18 km deep · 19 km away
  10. 1.88 km NE of Chelan, Washington · 13993 days ago · 0 km deep · 5 km away
  11. 1.514 km W of Entiat, Washington · 13975 days ago · 0 km deep · 39 km away

Before

  1. 1.79 km SW of Chelan Falls, Washington · 14047 days ago · 4 km deep · 17 km away
  2. 2.67 km WSW of George, Washington · 14047 days ago · 0 km deep · 90 km away
  3. 1.917 km N of Cashmere, Washington · 14053 days ago · 0 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10230918. Read Tue, Sep 22, 2026, 8:59 PM UTC.