Washington earthquakes

M1.8 earthquake 10 km SW of Packwood, Washington

A magnitude 1.8 earthquake struck 10 km SW of Packwood, Washington on Tue, Jun 26, 1990, 1:19 PM PDT (20:19 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.0 23 km ENE of Ashford, Washington. This one was a foreshock.

Morton 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1990-06-26 20:19:11 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
46.542° N, 121.776° 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, 0.7 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
82°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.525 km ENE of Ashford, Washington · 13245 days ago · 0 km deep · 36 km away
  2. 2.338 km NNE of Amboy, Washington · 13244 days ago · 4 km deep · 49 km away
  3. 2.433 km NE of Amboy, Washington · 13242 days ago · 0 km deep · 54 km away
  4. 1.738 km NNE of Amboy, Washington · 13235 days ago · -2 km deep · 49 km away
  5. 2.13 km NW of Maple Valley, Washington · 13228 days ago · 4 km deep · 100 km away
  6. 2.13 km ENE of Bonney Lake, Washington · 13226 days ago · 16 km deep · 77 km away
  7. 1.938 km NNE of Amboy, Washington · 13225 days ago · 0 km deep · 49 km away
  8. 1.522 km ENE of Ashford, Washington · 13224 days ago · -2 km deep · 34 km away
  9. 1.738 km NNE of Amboy, Washington · 13224 days ago · 0 km deep · 49 km away
  10. 1.827 km SSE of Greenwater, Washington · 13219 days ago · 3 km deep · 45 km away
  11. 1.627 km SSE of Greenwater, Washington · 13219 days ago · 3 km deep · 45 km away
  12. 1.615 km SSW of Ellensburg, Washington · 13216 days ago · 7 km deep · 97 km away
  13. 3.023 km ENE of Ashford, Washington · 13215 days ago · -1 km deep · 35 km away
  14. 1.89 km S of Carbonado, Washington · 13209 days ago · 12 km deep · 55 km away
  15. 1.612 km N of Mossyrock, Washington · 13208 days ago · 20 km deep · 54 km away
  16. 2.012 km S of Ashford, Washington · 13207 days ago · 12 km deep · 24 km away
  17. 1.91 km ESE of Pacific, Washington · 13205 days ago · 10 km deep · 87 km away
  18. 1.737 km NNE of Amboy, Washington · 13205 days ago · -2 km deep · 50 km away
  19. 1.512 km NNE of Naches, Washington · 13199 days ago · 13 km deep · 91 km away
  20. 2.038 km NNE of Amboy, Washington · 13194 days ago · -2 km deep · 49 km away

Before

  1. 1.937 km NNE of Amboy, Washington · 13247 days ago · 5 km deep · 50 km away
  2. 1.737 km NNE of Amboy, Washington · 13255 days ago · 2 km deep · 49 km away
  3. 1.90 km SE of Lakeland South, Washington · 13258 days ago · 8 km deep · 90 km away
  4. 1.6Washington · 13258 days ago · 7 km deep · 88 km away
  5. 1.737 km NNE of Amboy, Washington · 13259 days ago · -1 km deep · 49 km away
  6. 2.815 km NNE of Naches, Washington · 13263 days ago · 7 km deep · 96 km away
  7. 1.528 km ENE of Ashford, Washington · 13264 days ago · -2 km deep · 40 km away
  8. 1.526 km S of Morton, Washington · 13264 days ago · 8 km deep · 43 km away
  9. 2.0Washington · 13270 days ago · 0 km deep · 49 km away
  10. 1.94 km E of Carson, Washington · 13270 days ago · 4 km deep · 90 km away
  11. 1.74 km E of Carson, Washington · 13270 days ago · 4 km deep · 90 km away
  12. 2.023 km ENE of Ashford, Washington · 13271 days ago · -1 km deep · 35 km away
  13. 1.738 km NNE of Amboy, Washington · 13272 days ago · -1 km deep · 49 km away
  14. 1.738 km NNE of Amboy, Washington · 13272 days ago · -2 km deep · 49 km away
  15. 1.838 km NNE of Amboy, Washington · 13273 days ago · -2 km deep · 49 km away
  16. 1.737 km NNE of Amboy, Washington · 13274 days ago · -2 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10264053. Read Thu, Oct 1, 2026, 9:12 PM UTC.