Washington earthquakes

M1.8 earthquake 6 km NW of Cliffdell, Washington

A magnitude 1.8 earthquake struck 6 km NW of Cliffdell, Washington on Fri, Apr 1, 1988, 4:48 PM PST (00:48 UTC), -1 km (-1 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
1.8 (md), micro
Local time
UTC
1988-04-02 00:48:45 UTC
Depth
-1.1 km (-0.7 mi), shallow
Epicenter
46.984° N, 121.141° 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, 1.9 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
157°
Stations used
12

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. 1.55 km SW of Packwood, Washington · 14053 days ago · 8 km deep · 63 km away
  2. 2.67 km WSW of George, Washington · 14049 days ago · 0 km deep · 91 km away
  3. 1.516 km SW of Snoqualmie Pass, Washington · 14049 days ago · 10 km deep · 48 km away
  4. 1.84 km NE of Tanner, Washington · 14033 days ago · 12 km deep · 71 km away
  5. 1.524 km ENE of Ashford, Washington · 14024 days ago · -1 km deep · 48 km away
  6. 3.38 km WSW of Entiat, Washington · 14022 days ago · 6 km deep · 97 km away
  7. 1.93 km W of Summitview, Washington · 14021 days ago · -1 km deep · 55 km away
  8. 1.818 km SSW of White Swan, Washington · 14019 days ago · -1 km deep · 87 km away
  9. 2.48 km WNW of Tieton, Washington · 14015 days ago · 7 km deep · 35 km away
  10. 1.519 km SSE of Carbonado, Washington · 14014 days ago · 11 km deep · 61 km away
  11. 1.733 km SE of Morton, Washington · 14005 days ago · -1 km deep · 98 km away
  12. 1.511 km S of Greenwater, Washington · 14000 days ago · 0 km deep · 39 km away

Before

  1. 1.917 km N of Cashmere, Washington · 14056 days ago · 0 km deep · 93 km away
  2. 2.117 km SW of Ellensburg, Washington · 14070 days ago · 8 km deep · 32 km away
  3. 1.911 km NE of Ashford, Washington · 14071 days ago · 10 km deep · 62 km away
  4. 2.527 km NNW of Leavenworth, Washington · 14073 days ago · 9 km deep · 94 km away
  5. 3.92 km WNW of Puyallup, Washington · 14077 days ago · 64 km deep · 92 km away
  6. 1.51 km WSW of Lake Morton-Berrydale, Washington · 14079 days ago · 63 km deep · 83 km away
  7. 2.39 km SW of Packwood, Washington · 14082 days ago · 9 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10228708. Read Fri, Sep 25, 2026, 9:36 AM UTC.