Washington earthquakes

M2.4 earthquake 17 km NE of Ashford, Washington

A magnitude 2.4 earthquake struck 17 km NE of Ashford, Washington on Mon, Oct 4, 1976, 6:35 AM PDT (13:35 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.0 14 km NNW of Morton, 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
2.4 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1976-10-04 13:35:52 UTC
Depth
14.5 km (9.0 mi), shallow
Epicenter
46.880° N, 121.884° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
205°, 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: 21 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.73 km NW of Snoqualmie Pass, Washington · 18257 days ago · 0 km deep · 69 km away
  2. 1.75 km ENE of Belfair, Washington · 18257 days ago · 19 km deep · 92 km away
  3. 2.014 km NNW of Morton, Washington · 18255 days ago · 11 km deep · 43 km away
  4. 2.05 km NNW of Onalaska, Washington · 18253 days ago · 42 km deep · 72 km away
  5. 1.77 km NNE of North Bend, Washington · 18253 days ago · 15 km deep · 75 km away
  6. 4.014 km NNW of Morton, Washington · 18251 days ago · 16 km deep · 43 km away
  7. 2.113 km WSW of Mineral, Washington · 18251 days ago · 16 km deep · 42 km away
  8. 2.42 km NE of Maple Valley, Washington · 18248 days ago · 13 km deep · 60 km away
  9. 1.97 km ENE of Hobart, Washington · 18246 days ago · 22 km deep · 64 km away
  10. 1.91 km W of Hobart, Washington · 18246 days ago · 18 km deep · 61 km away
  11. 1.84 km S of Orting, Washington · 18246 days ago · -1 km deep · 32 km away
  12. 1.96 km N of Packwood, Washington · 18242 days ago · 1 km deep · 29 km away
  13. 2.211 km S of Greenwater, Washington · 18240 days ago · 4 km deep · 26 km away
  14. 1.86 km SSW of Southworth, Washington · 18230 days ago · 23 km deep · 82 km away
  15. 3.122 km ENE of Ashford, Washington · 18224 days ago · -1 km deep · 9 km away
  16. 2.924 km ENE of Ashford, Washington · 18224 days ago · 4 km deep · 10 km away
  17. 1.61 km ENE of Riverton, Washington · 18219 days ago · 23 km deep · 74 km away
  18. 1.513 km WSW of Alder, Washington · 18216 days ago · -1 km deep · 46 km away
  19. 2.416 km SE of Skykomish, Washington · 18211 days ago · 6 km deep · 96 km away
  20. 1.79 km ENE of Fall City, Washington · 18209 days ago · 18 km deep · 82 km away
  21. 2.723 km N of Amboy, Washington · 18203 days ago · 4 km deep · 95 km away

Before

  1. 1.6Washington · 18262 days ago · 13 km deep · 62 km away
  2. 2.212 km N of Ashford, Washington · 18270 days ago · 3 km deep · 10 km away
  3. 1.7Puget Sound region, Washington · 18280 days ago · 18 km deep · 94 km away
  4. 1.716 km NNE of Mossyrock, Washington · 18281 days ago · 12 km deep · 48 km away
  5. 1.63 km NNW of White Center, Washington · 18283 days ago · 12 km deep · 82 km away
  6. 1.611 km S of Ashford, WA · 18287 days ago · 38 km deep · 28 km away
  7. 1.730 km N of Amboy, Washington · 18287 days ago · 1 km deep · 89 km away
  8. 1.94 km W of Packwood, Washington · 18290 days ago · 5 km deep · 32 km away
  9. 2.00 km SSE of Lake Marcel-Stillwater, Washington · 18292 days ago · 27 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842318. Read Sun, Oct 4, 2026, 8:33 AM UTC.