Washington earthquakes

M2.3 earthquake 7 km N of Naches, Washington

A magnitude 2.3 earthquake struck 7 km N of Naches, Washington on Mon, Jul 20, 1987, 9:50 AM PDT (16:50 UTC), 11 km (7 mi) below the surface.

Naches 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
2.3 (md), micro
Local time
UTC
1987-07-20 16:50:05 UTC
Depth
10.9 km (6.8 mi), shallow
Epicenter
46.803° N, 120.697° 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, 1.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
29°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.69 km N of Naches, Washington · 14308 days ago · 9 km deep · 2 km away
  2. 1.625 km ENE of Ashford, Washington · 14304 days ago · 0 km deep · 78 km away
  3. 1.66 km WSW of Easton, Washington · 14293 days ago · 20 km deep · 62 km away
  4. 2.24 km SW of Entiat, Washington · 14290 days ago · -1 km deep · 100 km away
  5. 2.06 km NE of Thorp, Washington · 14277 days ago · 8 km deep · 35 km away
  6. 2.218 km ESE of Royal City, Washington · 14271 days ago · 0 km deep · 96 km away
  7. 1.917 km ESE of Royal City, Washington · 14271 days ago · 0 km deep · 96 km away
  8. 1.614 km NNW of Tampico, Washington · 14269 days ago · 5 km deep · 27 km away
  9. 2.123 km ENE of Ashford, Washington · 14263 days ago · 1 km deep · 81 km away

Before

  1. 1.917 km ENE of Packwood, Washington · 14311 days ago · 8 km deep · 61 km away
  2. 2.12 km W of Kittitas, Washington · 14313 days ago · 11 km deep · 27 km away
  3. 1.923 km ENE of Ashford, Washington · 14317 days ago · -1 km deep · 80 km away
  4. 1.823 km ENE of Ashford, Washington · 14324 days ago · 2 km deep · 81 km away
  5. 1.520 km NE of Terrace Heights, Washington · 14330 days ago · 3 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10221723. Read Tue, Sep 22, 2026, 9:11 AM UTC.