Washington earthquakes

M1.7 earthquake 8 km S of Seabeck, Washington

A magnitude 1.7 earthquake struck 8 km S of Seabeck, Washington on Sat, Oct 29, 1988, 8:10 AM PDT (15:10 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.8 3 km NW of Gorst, Washington. This one was a foreshock.

Seabeck forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1988-10-29 15:10:20 UTC
Depth
22.8 km (14.1 mi), shallow
Epicenter
47.566° N, 122.822° 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, 0.3 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
62°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.95 km SSW of Wilderness Rim, Washington · 13847 days ago · 20 km deep · 79 km away
  2. 2.07 km WSW of Wilderness Rim, Washington · 13845 days ago · 19 km deep · 74 km away
  3. 1.72 km ENE of Home, Washington · 13844 days ago · 27 km deep · 32 km away
  4. 1.519 km NNE of Ashford, Washington · 13842 days ago · 13 km deep · 98 km away
  5. 1.54 km WSW of Lake Cavanaugh, Washington · 13841 days ago · 12 km deep · 100 km away
  6. 1.94 km E of Hobart, Washington · 13838 days ago · 3 km deep · 70 km away
  7. 1.713 km W of Brinnon, Washington · 13836 days ago · 48 km deep · 22 km away
  8. 1.75 km SW of Mount Vernon, Washington · 13833 days ago · 6 km deep · 97 km away
  9. 1.54 km ESE of Cathcart, Washington · 13832 days ago · 19 km deep · 66 km away
  10. 1.98 km SSE of Carbonado, Washington · 13831 days ago · 2 km deep · 86 km away
  11. 2.36 km SW of Seattle, Washington · 13825 days ago · 12 km deep · 32 km away
  12. 1.61 km N of Yarrow Point, Washington · 13825 days ago · 6 km deep · 47 km away
  13. 1.51 km N of Yarrow Point, Washington · 13824 days ago · 12 km deep · 46 km away
  14. 2.66 km SW of Seattle, Washington · 13819 days ago · 10 km deep · 31 km away
  15. 1.51 km SSW of Lake Roesiger, Washington · 13818 days ago · 11 km deep · 80 km away
  16. 1.51 km WSW of Issaquah, Washington · 13817 days ago · -1 km deep · 58 km away
  17. 1.82 km NNE of Yarrow Point, Washington · 13816 days ago · 0 km deep · 48 km away
  18. 1.62 km SSE of Kirkland, Washington · 13816 days ago · -1 km deep · 48 km away
  19. 2.83 km NW of Gorst, Washington · 13815 days ago · 49 km deep · 6 km away
  20. 1.50 km NE of Yarrow Point, Washington · 13814 days ago · 0 km deep · 47 km away
  21. 1.92 km SSE of Kirkland, Washington · 13807 days ago · 1 km deep · 48 km away
  22. 1.68 km ESE of Enumclaw, Washington · 13807 days ago · 13 km deep · 83 km away
  23. 2.78 km ESE of Enumclaw, Washington · 13807 days ago · 14 km deep · 83 km away
  24. 1.89 km ESE of Enumclaw, Washington · 13807 days ago · 13 km deep · 84 km away
  25. 2.86 km SW of Seattle, Washington · 13799 days ago · 8 km deep · 32 km away
  26. 1.76 km SW of Seattle, Washington · 13799 days ago · 7 km deep · 32 km away
  27. 1.66 km NW of Belfair, Washington · 13795 days ago · 16 km deep · 10 km away
  28. 1.72 km E of Keyport, Washington · 13792 days ago · 18 km deep · 23 km away
  29. 1.62 km WSW of Redmond, Washington · 13792 days ago · 5 km deep · 51 km away
  30. 1.52 km E of Keyport, Washington · 13790 days ago · 16 km deep · 23 km away

Before

  1. 2.90 km SSW of Seabeck, Washington · 13850 days ago · 47 km deep · 7 km away
  2. 2.47 km NE of Marrowstone, Washington · 13851 days ago · 54 km deep · 62 km away
  3. 2.34 km WSW of Mount Vernon, Washington · 13854 days ago · 6 km deep · 98 km away
  4. 2.83 km WSW of Mount Vernon, Washington · 13854 days ago · 6 km deep · 99 km away
  5. 2.81 km NE of Edmonds, Washington · 13856 days ago · 19 km deep · 44 km away
  6. 1.66 km W of Wilderness Rim, Washington · 13857 days ago · 18 km deep · 74 km away
  7. 1.516 km W of Oakville, Washington · 13859 days ago · 12 km deep · 95 km away
  8. 1.62 km SSE of Klahanie, Washington · 13860 days ago · 14 km deep · 62 km away
  9. 1.73 km ESE of Ravensdale, Washington · 13866 days ago · 9 km deep · 71 km away
  10. 1.79 km NE of Snoqualmie, Washington · 13867 days ago · 5 km deep · 82 km away
  11. 1.61 km NNE of White Center, Washington · 13867 days ago · 23 km deep · 36 km away
  12. 2.12 km SE of Kirkland, Washington · 13869 days ago · 0 km deep · 49 km away
  13. 1.56 km NNE of Bonney Lake, Washington · 13877 days ago · 18 km deep · 62 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10237378. Read Wed, Sep 30, 2026, 10:55 AM UTC.