Washington earthquakes

M2.2 earthquake 9 km S of Sultan, Washington

A magnitude 2.2 earthquake struck 9 km S of Sultan, Washington on Sun, May 29, 1988, 9:09 AM PDT (16:09 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.2 18 km E of Verlot, Washington. This one was a foreshock.

Sultan 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
2.2 (md), micro
Local time
UTC
1988-05-29 16:09:35 UTC
Depth
13.3 km (8.3 mi), shallow
Epicenter
47.775° N, 121.836° 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, 0.4 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
39°
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: 25 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.81 km WSW of Riverton, Washington · 14001 days ago · 25 km deep · 48 km away
  2. 1.57 km SSW of Lyman, Washington · 13998 days ago · -1 km deep · 79 km away
  3. 1.52 km S of Issaquah, Washington · 13995 days ago · -1 km deep · 33 km away
  4. 2.23 km ESE of Belfair, Washington · 13993 days ago · 21 km deep · 81 km away
  5. 1.63 km NNE of Union Hill-Novelty Hill, WA · 13992 days ago · 3 km deep · 15 km away
  6. 1.92 km WNW of Maple Valley, Washington · 13986 days ago · 18 km deep · 45 km away
  7. 3.12 km NE of Lake Marcel-Stillwater, Washington · 13984 days ago · 7 km deep · 9 km away
  8. 1.53 km SE of Sedro-Woolley, Washington · 13980 days ago · 19 km deep · 84 km away
  9. 2.21 km SW of Lake Marcel-Stillwater, Washington · 13979 days ago · -1 km deep · 13 km away
  10. 1.51 km E of Clyde Hill, Washington · 13978 days ago · 24 km deep · 31 km away
  11. 2.24 km WSW of Darrington, Washington · 13969 days ago · 2 km deep · 53 km away
  12. 1.617 km ESE of Verlot, Washington · 13969 days ago · 2 km deep · 32 km away
  13. 2.34 km WSW of Darrington, Washington · 13969 days ago · 1 km deep · 53 km away
  14. 1.72 km W of Tanner, Washington · 13966 days ago · 17 km deep · 33 km away
  15. 2.14 km NNE of Key Center, Washington · 13965 days ago · 23 km deep · 79 km away
  16. 2.14 km WSW of Wilderness Rim, Washington · 13964 days ago · 18 km deep · 38 km away
  17. 3.218 km E of Verlot, Washington · 13962 days ago · -1 km deep · 41 km away
  18. 1.91 km E of White Center, Washington · 13960 days ago · 23 km deep · 47 km away
  19. 3.15 km W of Lake Cavanaugh, Washington · 13956 days ago · 12 km deep · 64 km away
  20. 2.04 km NE of Duvall, Washington · 13955 days ago · 25 km deep · 8 km away
  21. 1.52 km NW of Woods Creek, Washington · 13952 days ago · 16 km deep · 15 km away
  22. 1.53 km WSW of Artondale, Washington · 13952 days ago · 25 km deep · 83 km away
  23. 1.91 km WNW of Hansville, Washington · 13950 days ago · 13 km deep · 58 km away
  24. 2.31 km ESE of Edmonds, Washington · 13948 days ago · 22 km deep · 39 km away
  25. 1.95 km ENE of Lofall, Washington · 13942 days ago · 21 km deep · 56 km away

Before

  1. 1.511 km S of Greenwater, Washington · 14003 days ago · 0 km deep · 82 km away
  2. 2.52 km WSW of Artondale, Washington · 14004 days ago · 21 km deep · 82 km away
  3. 1.519 km SSE of Carbonado, Washington · 14018 days ago · 11 km deep · 95 km away
  4. 2.08 km N of Hamilton, Washington · 14019 days ago · -1 km deep · 92 km away
  5. 1.61 km W of Wauna, Washington · 14021 days ago · 24 km deep · 76 km away

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10232603. Read Tue, Sep 29, 2026, 5:31 AM UTC.