Washington earthquakes

M1.7 earthquake 1 km NNW of Elbe, Washington

A magnitude 1.7 earthquake struck 1 km NNW of Elbe, Washington on Fri, Sep 2, 1988, 3:40 AM PDT (10:40 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M2.4 3 km WSW of Wilderness Rim, 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
1.7 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1988-09-02 10:40:17 UTC
Depth
17.4 km (10.8 mi), shallow
Epicenter
46.777° N, 122.203° 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 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
40°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 1.54 km SSW of Wilderness Rim, Washington · 13909 days ago · 28 km deep · 77 km away
  2. 1.614 km SSE of Ashford, Washington · 13908 days ago · 6 km deep · 25 km away
  3. 1.93 km ESE of Packwood, Washington · 13904 days ago · 0 km deep · 48 km away
  4. 2.137 km SSE of Morton, Washington · 13903 days ago · 10 km deep · 59 km away
  5. 1.518 km SSE of Greenwater, Washington · 13902 days ago · 9 km deep · 54 km away
  6. 2.43 km WSW of Wilderness Rim, Washington · 13898 days ago · 18 km deep · 79 km away
  7. 1.96 km WSW of Erlands Point-Kitsap Lake, Washington · 13884 days ago · 22 km deep · 98 km away
  8. 2.333 km NE of Amboy, Washington · 13880 days ago · 0 km deep · 71 km away
  9. 1.56 km NNE of Bonney Lake, Washington · 13879 days ago · 18 km deep · 51 km away
  10. 1.512 km WSW of Packwood, Washington · 13877 days ago · 7 km deep · 38 km away
  11. 1.738 km NNE of Amboy, Washington · 13871 days ago · 4 km deep · 64 km away
  12. 2.12 km SE of Kirkland, Washington · 13871 days ago · 0 km deep · 98 km away
  13. 1.61 km NNE of White Center, Washington · 13870 days ago · 23 km deep · 84 km away
  14. 1.79 km NE of Snoqualmie, Washington · 13869 days ago · 5 km deep · 97 km away
  15. 1.73 km ESE of Ravensdale, Washington · 13868 days ago · 9 km deep · 65 km away
  16. 2.437 km NNE of Amboy, Washington · 13866 days ago · 0 km deep · 64 km away
  17. 1.88 km WSW of Packwood, Washington · 13866 days ago · 10 km deep · 39 km away
  18. 2.112 km W of Easton, Washington · 13865 days ago · 2 km deep · 84 km away
  19. 1.62 km SSE of Klahanie, Washington · 13863 days ago · 14 km deep · 88 km away
  20. 1.516 km W of Oakville, Washington · 13861 days ago · 12 km deep · 95 km away
  21. 1.66 km W of Wilderness Rim, Washington · 13859 days ago · 18 km deep · 78 km away
  22. 1.614 km SSE of Ashford, Washington · 13858 days ago · 8 km deep · 25 km away
  23. 1.6Washington · 13855 days ago · 1 km deep · 26 km away
  24. 1.78 km S of Seabeck, Washington · 13852 days ago · 23 km deep · 99 km away

Before

  1. 1.614 km NE of Ashford, Washington · 13911 days ago · 9 km deep · 24 km away
  2. 2.22 km SSE of Kirkland, Washington · 13912 days ago · 0 km deep · 99 km away
  3. 1.520 km S of Morton, Washington · 13916 days ago · 10 km deep · 45 km away
  4. 1.81 km E of Black Diamond, Washington · 13916 days ago · 19 km deep · 62 km away
  5. 1.625 km N of Trout Lake, Washington · 13918 days ago · -1 km deep · 81 km away
  6. 1.638 km NNE of Amboy, Washington · 13919 days ago · 3 km deep · 64 km away
  7. 2.67 km WSW of Wilderness Rim, Washington · 13926 days ago · 18 km deep · 77 km away
  8. 2.413 km NNE of Ashford, Washington · 13927 days ago · 10 km deep · 22 km away
  9. 1.512 km NE of Ashford, Washington · 13930 days ago · 9 km deep · 23 km away
  10. 3.012 km NE of Ashford, Washington · 13930 days ago · 10 km deep · 23 km away
  11. 1.613 km NE of Ashford, Washington · 13932 days ago · 9 km deep · 24 km away
  12. 1.72 km NE of Midland, Washington · 13933 days ago · 26 km deep · 47 km away
  13. 1.820 km NE of Ashford, Washington · 13935 days ago · 9 km deep · 29 km away
  14. 1.720 km NE of Ashford, Washington · 13935 days ago · 8 km deep · 29 km away
  15. 1.513 km NE of Ashford, Washington · 13937 days ago · 9 km deep · 24 km away
  16. 2.111 km NE of Ashford, Washington · 13938 days ago · 6 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10231988. Read Fri, Oct 2, 2026, 5:11 PM UTC.