Washington earthquakes

M2.1 earthquake 37 km SSE of Morton, Washington

A magnitude 2.1 earthquake struck 37 km SSE of Morton, Washington on Thu, Sep 8, 1988, 12:01 PM PDT (19:01 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.4 37 km NNE of Amboy, 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
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1988-09-08 19:01:46 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
46.254° N, 122.052° 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, 0.5 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
63°
Stations used
32

Nearest places

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

Nearby

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

After

  1. 1.518 km SSE of Greenwater, Washington · 13902 days ago · 9 km deep · 91 km away
  2. 2.333 km NE of Amboy, Washington · 13880 days ago · 0 km deep · 16 km away
  3. 1.512 km WSW of Packwood, Washington · 13877 days ago · 7 km deep · 39 km away
  4. 1.738 km NNE of Amboy, Washington · 13871 days ago · 4 km deep · 12 km away
  5. 2.437 km NNE of Amboy, Washington · 13866 days ago · 0 km deep · 13 km away
  6. 1.88 km WSW of Packwood, Washington · 13865 days ago · 10 km deep · 42 km away
  7. 1.614 km SSE of Ashford, Washington · 13858 days ago · 8 km deep · 43 km away
  8. 1.6Washington · 13855 days ago · 1 km deep · 56 km away
  9. 1.72 km WNW of Hockinson, Washington · 13851 days ago · 18 km deep · 67 km away
  10. 1.519 km NNE of Ashford, Washington · 13844 days ago · 13 km deep · 75 km away
  11. 1.79 km NE of Ashford, Washington · 13843 days ago · 5 km deep · 63 km away

Before

  1. 1.93 km ESE of Packwood, Washington · 13904 days ago · 0 km deep · 50 km away
  2. 1.614 km SSE of Ashford, Washington · 13907 days ago · 6 km deep · 44 km away
  3. 1.71 km NNW of Elbe, Washington · 13909 days ago · 17 km deep · 59 km away
  4. 1.614 km NE of Ashford, Washington · 13911 days ago · 9 km deep · 68 km away
  5. 1.520 km S of Morton, Washington · 13915 days ago · 10 km deep · 20 km away
  6. 1.625 km N of Trout Lake, Washington · 13917 days ago · -1 km deep · 41 km away
  7. 1.638 km NNE of Amboy, Washington · 13918 days ago · 3 km deep · 12 km away
  8. 2.413 km NNE of Ashford, Washington · 13926 days ago · 10 km deep · 68 km away
  9. 1.512 km NE of Ashford, Washington · 13930 days ago · 9 km deep · 66 km away
  10. 3.012 km NE of Ashford, Washington · 13930 days ago · 10 km deep · 66 km away
  11. 1.613 km NE of Ashford, Washington · 13931 days ago · 9 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10233188. Read Fri, Oct 2, 2026, 6:03 AM UTC.