Washington earthquakes

M2.3 earthquake 13 km E of Tanner, Washington

A magnitude 2.3 earthquake struck 13 km E of Tanner, Washington on Sat, Sep 4, 1976, 1:36 AM PDT (08:36 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M2.4 17 km NE of Ashford, Washington. This one was a foreshock.

Tanner 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
2.3 (md), micro
Local time
UTC
1976-09-04 08:36:41 UTC
Depth
14.6 km (9.1 mi), shallow
Epicenter
47.482° N, 121.567° 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 1.3 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
197°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.00 km SSE of Lake Marcel-Stillwater, Washington · 18280 days ago · 27 km deep · 34 km away
  2. 1.94 km W of Packwood, Washington · 18278 days ago · 5 km deep · 98 km away
  3. 1.611 km S of Ashford, WA · 18275 days ago · 38 km deep · 98 km away
  4. 1.63 km NNW of White Center, Washington · 18272 days ago · 12 km deep · 60 km away
  5. 1.7Puget Sound region, Washington · 18268 days ago · 18 km deep · 90 km away
  6. 1.92 km SSW of Sultan, Washington · 18265 days ago · 14 km deep · 44 km away
  7. 2.212 km N of Ashford, Washington · 18259 days ago · 3 km deep · 76 km away
  8. 2.12 km W of Eastmont, WA · 18253 days ago · 25 km deep · 66 km away
  9. 1.6Washington · 18251 days ago · 13 km deep · 20 km away
  10. 2.417 km NE of Ashford, Washington · 18250 days ago · 14 km deep · 71 km away
  11. 1.73 km NW of Snoqualmie Pass, Washington · 18246 days ago · 0 km deep · 13 km away
  12. 1.75 km ENE of Belfair, Washington · 18245 days ago · 19 km deep · 89 km away
  13. 1.77 km NNE of North Bend, Washington · 18241 days ago · 15 km deep · 15 km away
  14. 2.42 km NE of Maple Valley, Washington · 18236 days ago · 13 km deep · 35 km away
  15. 1.97 km ENE of Hobart, Washington · 18234 days ago · 22 km deep · 24 km away
  16. 1.91 km W of Hobart, Washington · 18234 days ago · 18 km deep · 33 km away
  17. 1.84 km S of Orting, Washington · 18234 days ago · -1 km deep · 68 km away
  18. 1.54 km WSW of Hansville, Washington · 18231 days ago · 9 km deep · 92 km away
  19. 1.96 km N of Packwood, Washington · 18230 days ago · 1 km deep · 91 km away
  20. 2.211 km S of Greenwater, Washington · 18228 days ago · 4 km deep · 48 km away
  21. 1.83 km W of Eastmont, Washington · 18225 days ago · 28 km deep · 67 km away
  22. 2.516 km ESE of Verlot, Washington · 18223 days ago · 0 km deep · 62 km away
  23. 1.67 km WSW of Verlot, Washington · 18222 days ago · -1 km deep · 68 km away

Before

  1. 1.72 km NNW of Freeland, Washington · 18282 days ago · 24 km deep · 95 km away
  2. 1.65 km SSW of Fall City, Washington · 18283 days ago · 25 km deep · 27 km away
  3. 1.85 km NNE of North Bend, Washington · 18284 days ago · 13 km deep · 15 km away
  4. 1.53 km WSW of Issaquah, Washington · 18290 days ago · 11 km deep · 39 km away
  5. 1.61 km ENE of Riverton, Washington · 18294 days ago · 24 km deep · 54 km away
  6. 1.60 km ESE of Boulevard Park, Washington · 18295 days ago · 32 km deep · 56 km away
  7. 1.510 km WNW of Packwood, Washington · 18296 days ago · -1 km deep · 96 km away
  8. 1.57 km NNE of Skykomish, Washington · 18304 days ago · 5 km deep · 37 km away
  9. 1.610 km NE of North Bend, Washington · 18305 days ago · 6 km deep · 13 km away
  10. 1.52 km NW of Inglewood-Finn Hill, Washington · 18309 days ago · 25 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842163. Read Tue, Sep 22, 2026, 10:00 AM UTC.