Washington earthquakes

M0.4 earthquake 15 km SSE of Carbonado, Washington

A magnitude 0.4 earthquake struck 15 km SSE of Carbonado, Washington on Thu, Sep 17, 2026, 4:51 PM PDT (23:51 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.5 37 km NNE of Amboy, Washington. This one was a foreshock.

Carbonado 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
0.4 (ml), micro
Local time
UTC
2026-09-17 23:51:25 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
46.942° N, 122.006° 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, 0.4 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
78°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 since this one and 16 in the 30 days before it.

After

  1. 1.537 km NNE of Amboy, Washington · 3 days ago · -2 km deep · 84 km away
  2. 2.03 km ESE of East Renton Highlands, Washington · 2 days ago · 14 km deep · 60 km away
  3. 1.55 km SSW of Morton, Washington · 2 days ago · 10 km deep · 53 km away
  4. 2.45 km SW of Wilderness Rim, Washington · 16 hr ago · 19 km deep · 55 km away · felt by 10
  5. 2.110 km ENE of Fall City, Washington · 5 hr ago · 16 km deep · 77 km away · felt by 1
  6. 1.80 km SSE of Kapowsin, Washington · 10 min ago · 1 km deep · 17 km away

Before

  1. 1.511 km NE of Ashford, Washington · 5 days ago · 5 km deep · 14 km away
  2. 1.720 km E of Castle Rock, Washington · 6 days ago · 17 km deep · 91 km away
  3. 2.14 km SW of Wilderness Rim, Washington · 7 days ago · 21 km deep · 55 km away · felt by 2
  4. 1.57 km NNE of Ashford, Washington · 10 days ago · 8 km deep · 14 km away
  5. 1.710 km ESE of Riverbend, Washington · 13 days ago · 13 km deep · 61 km away
  6. 1.617 km SSW of Nile, Washington · 14 days ago · 9 km deep · 77 km away
  7. 3.820 km E of Castle Rock, Washington · 18 days ago · 18 km deep · 91 km away · felt by 1,025
  8. 2.14 km NNE of Snoqualmie, Washington · 20 days ago · 18 km deep · 71 km away · felt by 4
  9. 1.632 km N of Amboy, Washington · 20 days ago · 10 km deep · 87 km away
  10. 1.68 km E of Ashford, Washington · 23 days ago · -1 km deep · 21 km away
  11. 1.520 km S of Packwood, Washington · 24 days ago · 4 km deep · 64 km away
  12. 1.61 km NNE of Maple Valley, Washington · 24 days ago · 16 km deep · 51 km away
  13. 1.66 km NE of Rochester, Washington · 27 days ago · 6 km deep · 80 km away
  14. 1.827 km N of Amboy, Washington · 29 days ago · 6 km deep · 95 km away
  15. 1.78 km E of Ashford, Washington · 31 days ago · 2 km deep · 21 km away
  16. 2.48 km E of Ashford, Washington · 32 days ago · 4 km deep · 21 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw714104921. Read Tue, Sep 22, 2026, 11:25 PM UTC.