Washington earthquakes

M1.5 earthquake 12 km ESE of Yacolt, Washington

A magnitude 1.5 earthquake struck 12 km ESE of Yacolt, Washington on Wed, Sep 16, 2026, 5:58 PM PDT (00:58 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M2.6 23 km N of Trout Lake, Washington. This one was a foreshock.

Yacolt 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2026-09-17 00:58:46 UTC
Depth
12.3 km (7.7 mi), shallow
Epicenter
45.840° N, 122.248° 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, 1.0 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
159°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 since this one and 6 in the 30 days before it.

After

  1. 2.010 km SSE of Scappoose, Oregon · 18 days ago · 23 km deep · 49 km away
  2. 2.227 km ENE of Yacolt, Washington · 17 days ago · 10 km deep · 18 km away · felt by 1
  3. 1.531 km E of Kelso, Washington · 16 days ago · 14 km deep · 44 km away
  4. 1.537 km NNE of Amboy, Washington · 15 days ago · -2 km deep · 40 km away
  5. 1.55 km SSW of Morton, Washington · 15 days ago · 10 km deep · 75 km away
  6. 1.718 km N of Amboy, Washington · 14 days ago · 10 km deep · 30 km away
  7. 2.038 km NNE of Amboy, Washington · 10 days ago · 0 km deep · 40 km away
  8. 2.623 km N of Trout Lake, Washington · 8 days ago · -1 km deep · 70 km away · felt by 2
  9. 1.638 km NNE of Amboy, Washington · 6 days ago · 3 km deep · 41 km away
  10. 1.61 km SW of Mount Angel, Oregon · 4 days ago · 24 km deep · 98 km away
  11. 1.823 km NE of Amboy, Washington · 2 days ago · 1 km deep · 26 km away

Before

  1. 1.720 km E of Castle Rock, Washington · 19 days ago · 17 km deep · 55 km away
  2. 3.820 km E of Castle Rock, Washington · 30 days ago · 18 km deep · 54 km away · felt by 1,025
  3. 1.632 km N of Amboy, Washington · 32 days ago · 10 km deep · 41 km away
  4. 1.520 km S of Packwood, Washington · 37 days ago · 4 km deep · 81 km away
  5. 1.827 km N of Amboy, Washington · 41 days ago · 6 km deep · 39 km away
  6. 1.68 km SW of Vernonia, Oregon · 46 days ago · 0 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw714103911. Read Mon, Oct 5, 2026, 11:48 AM UTC.