Washington earthquakes

M-0.1 earthquake 16 km NNE of Ashford, Washington

A magnitude -0.1 earthquake struck 16 km NNE of Ashford, Washington on Sun, Sep 20, 2026, 11:16 AM PDT (18:16 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M1.5 5 km SSW of Morton, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
-0.1 (md), micro
Local time
UTC
2026-09-20 18:16:31 UTC
Depth
13.1 km (8.1 mi), shallow
Epicenter
46.892° N, 121.933° 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, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
99°
Stations used
10

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 18 in the 30 days before it.

After

  1. 1.55 km SSW of Morton, Washington · 35 hr ago · 10 km deep · 51 km away
  2. 1.718 km N of Amboy, Washington · 14 hr ago · 10 km deep · 99 km away
  3. 2.45 km SW of Wilderness Rim, Washington · 3 hr ago · 19 km deep · 59 km away · felt by 10

Before

  1. 2.03 km ESE of East Renton Highlands, Washington · 40 hr ago · 14 km deep · 66 km away
  2. 1.537 km NNE of Amboy, Washington · 2 days ago · -2 km deep · 80 km away
  3. 1.511 km NE of Ashford, Washington · 5 days ago · 5 km deep · 7 km away
  4. 1.720 km E of Castle Rock, Washington · 6 days ago · 17 km deep · 90 km away
  5. 2.14 km SW of Wilderness Rim, Washington · 6 days ago · 21 km deep · 59 km away · felt by 2
  6. 1.57 km NNE of Ashford, Washington · 10 days ago · 8 km deep · 9 km away
  7. 1.710 km ESE of Riverbend, Washington · 12 days ago · 13 km deep · 64 km away
  8. 1.617 km SSW of Nile, Washington · 14 days ago · 9 km deep · 70 km away
  9. 3.820 km E of Castle Rock, Washington · 17 days ago · 18 km deep · 90 km away · felt by 1,025
  10. 2.14 km NNE of Snoqualmie, Washington · 19 days ago · 18 km deep · 75 km away · felt by 4
  11. 1.632 km N of Amboy, Washington · 19 days ago · 10 km deep · 84 km away
  12. 1.68 km E of Ashford, Washington · 23 days ago · -1 km deep · 15 km away
  13. 1.520 km S of Packwood, Washington · 23 days ago · 4 km deep · 57 km away
  14. 1.61 km NNE of Maple Valley, Washington · 24 days ago · 16 km deep · 57 km away
  15. 1.66 km NE of Rochester, Washington · 27 days ago · 6 km deep · 85 km away
  16. 1.827 km N of Amboy, Washington · 28 days ago · 6 km deep · 92 km away
  17. 1.78 km E of Ashford, Washington · 31 days ago · 2 km deep · 15 km away
  18. 2.48 km E of Ashford, Washington · 31 days ago · 4 km deep · 15 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw714106321. Read Tue, Sep 22, 2026, 10:10 AM UTC.