Washington earthquakes

M1.8 earthquake 17 km W of Packwood, Washington

A magnitude 1.8 earthquake struck 17 km W of Packwood, Washington on Fri, Aug 24, 2001, 7:16 PM PDT (02:16 UTC), 2 km (2 mi) below the surface.

A larger quake followed: M2.3 12 km N of Naches, 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), micro
Local time
UTC
2001-08-25 02:16:46 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
46.632° N, 121.890° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
46°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.617 km E of Kelso, Washington · 9166 days ago · 12 km deep · 83 km away
  2. 2.115 km ESE of Carbonado, Washington · 9161 days ago · 16 km deep · 44 km away
  3. 1.619 km E of Kelso, Washington · 9157 days ago · 13 km deep · 80 km away
  4. 1.54 km ESE of Mossyrock, Washington · 9150 days ago · 19 km deep · 43 km away
  5. 1.615 km SSW of Morton, Washington · 9146 days ago · 16 km deep · 40 km away
  6. 2.312 km N of Naches, Washington · 9140 days ago · 15 km deep · 94 km away
  7. 1.538 km NNE of Amboy, Washington · 9136 days ago · 0 km deep · 53 km away
  8. 1.917 km S of Morton, Washington · 9133 days ago · 17 km deep · 40 km away
  9. 2.125 km ENE of Packwood, Washington · 9113 days ago · 4 km deep · 41 km away

Before

  1. 1.74 km WNW of Dash Point, Washington · 9173 days ago · 21 km deep · 91 km away
  2. 1.81 km SSW of Auburn, Washington · 9174 days ago · 16 km deep · 79 km away
  3. 1.523 km ENE of Ashford, Washington · 9174 days ago · 0 km deep · 27 km away
  4. 1.721 km N of Amboy, Washington · 9188 days ago · 14 km deep · 74 km away
  5. 1.622 km N of Amboy, Washington · 9193 days ago · 12 km deep · 74 km away
  6. 1.615 km ENE of Packwood, Washington · 9195 days ago · 2 km deep · 32 km away
  7. 1.66 km ESE of Mossyrock, Washington · 9196 days ago · 20 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10543288. Read Wed, Sep 30, 2026, 7:30 PM UTC.