Washington earthquakes

M1.7 earthquake 2 km W of Tanner, Washington

A magnitude 1.7 earthquake struck 2 km W of Tanner, Washington on Mon, Jul 4, 1988, 2:05 AM PDT (09:05 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M4.1 13 km NE of Ashford, 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), micro
Local time
UTC
1988-07-04 09:05:49 UTC
Depth
16.6 km (10.3 mi), shallow
Epicenter
47.477° N, 121.774° 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 1.0 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
100°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.14 km NNE of Key Center, Washington · 13965 days ago · 23 km deep · 72 km away
  2. 2.14 km WSW of Wilderness Rim, Washington · 13964 days ago · 18 km deep · 6 km away
  3. 3.218 km E of Verlot, Washington · 13962 days ago · -1 km deep · 70 km away
  4. 1.91 km E of White Center, Washington · 13960 days ago · 23 km deep · 43 km away
  5. 3.15 km W of Lake Cavanaugh, Washington · 13955 days ago · 12 km deep · 97 km away
  6. 2.04 km NE of Duvall, Washington · 13955 days ago · 25 km deep · 35 km away
  7. 1.52 km NW of Woods Creek, Washington · 13952 days ago · 16 km deep · 47 km away
  8. 1.53 km WSW of Artondale, Washington · 13952 days ago · 25 km deep · 71 km away
  9. 1.91 km WNW of Hansville, Washington · 13950 days ago · 13 km deep · 78 km away
  10. 2.31 km ESE of Edmonds, Washington · 13948 days ago · 22 km deep · 57 km away
  11. 2.224 km ENE of Ashford, Washington · 13946 days ago · -1 km deep · 70 km away
  12. 1.95 km ENE of Lofall, Washington · 13942 days ago · 21 km deep · 72 km away
  13. 1.81 km SE of Parkwood, Washington · 13941 days ago · 42 km deep · 62 km away
  14. 4.113 km NE of Ashford, Washington · 13941 days ago · 11 km deep · 70 km away
  15. 1.514 km NE of Ashford, Washington · 13941 days ago · 9 km deep · 70 km away
  16. 1.514 km NE of Ashford, Washington · 13941 days ago · 9 km deep · 70 km away
  17. 2.014 km NE of Ashford, Washington · 13941 days ago · 8 km deep · 71 km away
  18. 3.813 km NE of Ashford, Washington · 13941 days ago · 10 km deep · 71 km away
  19. 1.914 km NE of Ashford, Washington · 13941 days ago · 9 km deep · 70 km away
  20. 1.914 km NE of Ashford, Washington · 13941 days ago · 9 km deep · 70 km away
  21. 1.817 km NNE of Ashford, Washington · 13941 days ago · 4 km deep · 65 km away
  22. 1.714 km NE of Ashford, Washington · 13941 days ago · 9 km deep · 70 km away
  23. 1.813 km NE of Ashford, Washington · 13941 days ago · 9 km deep · 71 km away
  24. 1.69 km NNE of Snoqualmie, Washington · 13940 days ago · 11 km deep · 14 km away
  25. 1.813 km NE of Ashford, Washington · 13939 days ago · 7 km deep · 71 km away
  26. 1.514 km NE of Ashford, Washington · 13939 days ago · 9 km deep · 70 km away
  27. 2.210 km SSE of Skykomish, Washington · 13936 days ago · 0 km deep · 40 km away
  28. 2.111 km NE of Ashford, Washington · 13935 days ago · 6 km deep · 72 km away
  29. 1.513 km NE of Ashford, Washington · 13934 days ago · 9 km deep · 71 km away
  30. 1.720 km NE of Ashford, Washington · 13931 days ago · 8 km deep · 65 km away
  31. 1.820 km NE of Ashford, Washington · 13931 days ago · 9 km deep · 64 km away
  32. 1.928 km NNW of Leavenworth, Washington · 13930 days ago · -1 km deep · 82 km away
  33. 1.72 km NE of Midland, Washington · 13929 days ago · 26 km deep · 57 km away
  34. 1.613 km NE of Ashford, Washington · 13928 days ago · 9 km deep · 71 km away
  35. 1.516 km E of Verlot, Washington · 13928 days ago · 3 km deep · 69 km away
  36. 3.012 km NE of Ashford, Washington · 13927 days ago · 10 km deep · 71 km away
  37. 1.512 km NE of Ashford, Washington · 13927 days ago · 9 km deep · 71 km away
  38. 2.63 km NNE of Redmond, Washington · 13924 days ago · 13 km deep · 35 km away
  39. 2.413 km NNE of Ashford, Washington · 13923 days ago · 10 km deep · 70 km away
  40. 2.67 km WSW of Wilderness Rim, Washington · 13922 days ago · 18 km deep · 9 km away
  41. 1.810 km W of Port Ludlow, Washington · 13922 days ago · 44 km deep · 93 km away
  42. 2.30 km ENE of Inglewood-Finn Hill, Washington · 13918 days ago · 14 km deep · 44 km away
  43. 1.81 km E of Black Diamond, Washington · 13912 days ago · 19 km deep · 24 km away
  44. 2.22 km SSE of Kirkland, Washington · 13909 days ago · 0 km deep · 38 km away
  45. 1.614 km NE of Ashford, Washington · 13908 days ago · 9 km deep · 70 km away

Before

  1. 2.34 km WSW of Darrington, Washington · 13969 days ago · 1 km deep · 85 km away
  2. 1.617 km ESE of Verlot, Washington · 13969 days ago · 2 km deep · 61 km away
  3. 2.24 km WSW of Darrington, Washington · 13969 days ago · 2 km deep · 85 km away
  4. 1.51 km E of Clyde Hill, Washington · 13977 days ago · 24 km deep · 36 km away
  5. 2.21 km SW of Lake Marcel-Stillwater, Washington · 13979 days ago · -1 km deep · 25 km away
  6. 1.712 km ESE of Ashford, Washington · 13981 days ago · 5 km deep · 83 km away
  7. 3.12 km NE of Lake Marcel-Stillwater, Washington · 13984 days ago · 7 km deep · 27 km away
  8. 1.92 km WNW of Maple Valley, Washington · 13986 days ago · 18 km deep · 24 km away
  9. 1.812 km NE of Packwood, Washington · 13986 days ago · 1 km deep · 89 km away
  10. 1.63 km NNE of Union Hill-Novelty Hill, WA · 13991 days ago · 3 km deep · 31 km away
  11. 2.23 km ESE of Belfair, Washington · 13993 days ago · 21 km deep · 76 km away
  12. 1.52 km S of Issaquah, Washington · 13995 days ago · -1 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10232168. Read Tue, Sep 29, 2026, 2:18 AM UTC.