Washington earthquakes

M1.8 earthquake 1 km SSW of Auburn, Washington

A magnitude 1.8 earthquake struck 1 km SSW of Auburn, Washington on Sat, Aug 18, 2001, 7:35 PM PDT (02:35 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.3 4 km ESE of Union, Washington. This one was a foreshock.

Auburn 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
2001-08-19 02:35:42 UTC
Depth
16.4 km (10.2 mi), shallow
Epicenter
47.297° N, 122.237° 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
48°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.74 km WNW of Dash Point, Washington · 9173 days ago · 21 km deep · 19 km away
  2. 1.817 km W of Packwood, Washington · 9168 days ago · 2 km deep · 79 km away
  3. 1.73 km NNE of White Center, Washington · 9164 days ago · 30 km deep · 29 km away
  4. 2.115 km ESE of Carbonado, Washington · 9161 days ago · 16 km deep · 41 km away
  5. 2.34 km ESE of Union, Washington · 9151 days ago · 46 km deep · 62 km away
  6. 1.54 km ESE of Mossyrock, Washington · 9149 days ago · 19 km deep · 88 km away
  7. 1.615 km SSW of Morton, Washington · 9145 days ago · 16 km deep · 97 km away
  8. 1.82 km NNW of Belfair, Washington · 9142 days ago · 24 km deep · 49 km away
  9. 1.917 km S of Morton, Washington · 9132 days ago · 17 km deep · 100 km away
  10. 1.92 km ESE of Monroe, Washington · 9114 days ago · 24 km deep · 65 km away

Before

  1. 1.523 km ENE of Ashford, Washington · 9174 days ago · 0 km deep · 61 km away
  2. 1.56 km S of Baring, Washington · 9177 days ago · 9 km deep · 73 km away
  3. 2.28 km NW of Seattle, Washington · 9178 days ago · 26 km deep · 43 km away
  4. 1.54 km W of Gorst, Washington · 9180 days ago · 25 km deep · 47 km away
  5. 2.24 km SW of Shoreline, Washington · 9190 days ago · 27 km deep · 49 km away
  6. 1.615 km ENE of Packwood, Washington · 9195 days ago · 2 km deep · 91 km away
  7. 1.66 km ESE of Mossyrock, Washington · 9196 days ago · 20 km deep · 90 km away
  8. 2.02 km NNE of Redmond, Washington · 9196 days ago · 2 km deep · 45 km away
  9. 2.23 km NNW of Mirrormont, Washington · 9199 days ago · 16 km deep · 27 km away
  10. 4.34 km WSW of DuPont, Washington · 9201 days ago · 52 km deep · 41 km away · felt by 740
  11. 1.63 km S of Seattle, Washington · 9202 days ago · 13 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10540098. Read Wed, Sep 30, 2026, 4:14 PM UTC.