Washington earthquakes

M2.1 earthquake 2 km W of Kittitas, Washington

A magnitude 2.1 earthquake struck 2 km W of Kittitas, Washington on Thu, Jul 16, 1987, 10:47 AM PDT (17:47 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.3 7 km N of Naches, Washington. This one was a foreshock.

Kittitas 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
2.1 (md), micro
Local time
UTC
1987-07-16 17:47:37 UTC
Depth
11.0 km (6.8 mi), shallow
Epicenter
46.983° N, 120.452° 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, 1.4 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
37°
Stations used
30

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 4 in the 30 days before it.

After

  1. 1.917 km ENE of Packwood, Washington · 14311 days ago · 8 km deep · 85 km away
  2. 2.37 km N of Naches, Washington · 14309 days ago · 11 km deep · 27 km away
  3. 1.69 km N of Naches, Washington · 14308 days ago · 9 km deep · 26 km away
  4. 1.625 km ENE of Ashford, Washington · 14304 days ago · 0 km deep · 98 km away
  5. 1.52 km SE of Entiat, Washington · 14304 days ago · 3 km deep · 78 km away
  6. 1.66 km WSW of Easton, Washington · 14293 days ago · 20 km deep · 66 km away
  7. 2.24 km SW of Entiat, Washington · 14290 days ago · -1 km deep · 76 km away
  8. 2.010 km WNW of Entiat, Washington · 14281 days ago · -1 km deep · 82 km away
  9. 2.06 km NE of Thorp, Washington · 14277 days ago · 8 km deep · 20 km away
  10. 2.218 km ESE of Royal City, Washington · 14271 days ago · 0 km deep · 80 km away
  11. 1.917 km ESE of Royal City, Washington · 14271 days ago · 0 km deep · 79 km away
  12. 1.614 km NNW of Tampico, Washington · 14269 days ago · 5 km deep · 54 km away

Before

  1. 1.923 km ENE of Ashford, Washington · 14317 days ago · -1 km deep · 100 km away
  2. 1.520 km NE of Terrace Heights, Washington · 14330 days ago · 3 km deep · 30 km away
  3. 1.526 km S of White Swan, Washington · 14341 days ago · 2 km deep · 96 km away
  4. 1.64 km NW of Entiat, Washington · 14342 days ago · 0 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10220878. Read Tue, Sep 22, 2026, 9:10 AM UTC.