Washington earthquakes

M0.9 earthquake 10 km SW of Packwood, Washington

A magnitude 0.9 earthquake struck 10 km SW of Packwood, Washington on Sun, Sep 20, 2026, 1:14 AM PDT (08:14 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M1.5 5 km SSW of Morton, 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
0.9 (ml), micro
Local time
UTC
2026-09-20 08:14:23 UTC
Depth
-0.4 km (-0.3 mi), shallow
Epicenter
46.547° N, 121.772° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
131°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 3 since this one and 16 in the 30 days before it.

After

  1. 1.55 km SSW of Morton, Washington · 37 hr ago · 10 km deep · 42 km away
  2. 1.718 km N of Amboy, Washington · 16 hr ago · 10 km deep · 73 km away
  3. 2.45 km SW of Wilderness Rim, Washington · 5 hr ago · 19 km deep · 97 km away · felt by 10

Before

  1. 1.537 km NNE of Amboy, Washington · 2 days ago · -2 km deep · 50 km away
  2. 2.725 km ENE of Yacolt, Washington · 4 days ago · 9 km deep · 71 km away
  3. 1.511 km NE of Ashford, Washington · 5 days ago · 5 km deep · 34 km away
  4. 1.720 km E of Castle Rock, Washington · 6 days ago · 17 km deep · 75 km away
  5. 2.14 km SW of Wilderness Rim, Washington · 6 days ago · 21 km deep · 97 km away · felt by 2
  6. 1.57 km NNE of Ashford, Washington · 10 days ago · 8 km deep · 34 km away
  7. 1.710 km ESE of Riverbend, Washington · 12 days ago · 13 km deep · 98 km away
  8. 1.617 km SSW of Nile, Washington · 14 days ago · 9 km deep · 56 km away
  9. 3.820 km E of Castle Rock, Washington · 17 days ago · 18 km deep · 75 km away · felt by 1,025
  10. 1.632 km N of Amboy, Washington · 19 days ago · 10 km deep · 60 km away
  11. 1.68 km E of Ashford, Washington · 23 days ago · -1 km deep · 27 km away
  12. 1.520 km S of Packwood, Washington · 24 days ago · 4 km deep · 18 km away
  13. 1.61 km NNE of Maple Valley, Washington · 24 days ago · 16 km deep · 97 km away
  14. 1.827 km N of Amboy, Washington · 28 days ago · 6 km deep · 70 km away
  15. 1.78 km E of Ashford, Washington · 31 days ago · 2 km deep · 27 km away
  16. 2.48 km E of Ashford, Washington · 31 days ago · 4 km deep · 27 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw714106061. Read Tue, Sep 22, 2026, 12:18 PM UTC.