Washington earthquakes

M2.1 earthquake 4 km NE of Ashford, Washington

A magnitude 2.1 earthquake struck 4 km NE of Ashford, Washington on Mon, Sep 6, 1971, 4:18 PM PDT (23:18 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.5 0 km ESE of Mercer Island, 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
2.1 (md), micro
Local time
UTC
1971-09-06 23:18:01 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
46.788° N, 121.992° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
176°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 3.50 km ESE of Mercer Island, Washington · 20102 days ago · 20 km deep · 88 km away
  2. 1.92 km SE of Lake Marcel-Stillwater, Washington · 20102 days ago · 23 km deep · 99 km away
  3. 2.01 km NNE of Mercer Island, Washington · 20102 days ago · 20 km deep · 90 km away
  4. 2.30 km NW of Beaux Arts Village, Washington · 20102 days ago · 21 km deep · 91 km away
  5. 2.43 km E of Pacific, Washington · 20099 days ago · 14 km deep · 56 km away
  6. 2.57 km SE of Mossyrock, Washington · 20097 days ago · 11 km deep · 48 km away
  7. 1.94 km NNE of Seattle, Washington · 20092 days ago · 19 km deep · 98 km away
  8. 2.24 km SE of Riverbend, Washington · 20090 days ago · -1 km deep · 76 km away
  9. 1.70 km NNE of Beaux Arts Village, Washington · 20079 days ago · 20 km deep · 91 km away
  10. 2.30 km NE of Mercer Island, Washington · 20078 days ago · 20 km deep · 89 km away
  11. 1.80 km NE of Beaux Arts Village, Washington · 20078 days ago · 20 km deep · 90 km away
  12. 1.917 km E of Morton, Washington · 20077 days ago · 29 km deep · 25 km away
  13. 2.1Washington · 20075 days ago · 21 km deep · 76 km away
  14. 1.81 km SSW of Wilderness Rim, Washington · 20074 days ago · 20 km deep · 74 km away
  15. 2.11 km WNW of Federal Way, Washington · 20071 days ago · 28 km deep · 66 km away
  16. 3.318 km SSW of Packwood, Washington · 20062 days ago · 0 km deep · 42 km away
  17. 1.72 km NNE of Bonney Lake, Washington · 20060 days ago · 10 km deep · 48 km away
  18. 2.15 km WNW of Wauna, Washington · 20059 days ago · 19 km deep · 86 km away
  19. 1.80 km ENE of Beaux Arts Village, Washington · 20059 days ago · 21 km deep · 90 km away
  20. 2.30 km NE of Beaux Arts Village, Washington · 20054 days ago · 20 km deep · 91 km away

Before

  1. 2.61 km SE of Burley, Washington · 20113 days ago · 15 km deep · 84 km away
  2. 1.87 km SE of Snoqualmie Pass, Washington · 20116 days ago · 0 km deep · 80 km away
  3. 2.55 km NE of Ashford, Washington · 20118 days ago · 8 km deep · 2 km away
  4. 1.77 km SE of Snoqualmie Pass, Washington · 20118 days ago · 0 km deep · 81 km away
  5. 2.032 km NNW of Trout Lake, Washington · 20122 days ago · -1 km deep · 63 km away
  6. 2.02 km SSE of Des Moines, Washington · 20125 days ago · 16 km deep · 71 km away
  7. 2.310 km ESE of Tanner, Washington · 20125 days ago · 3 km deep · 79 km away
  8. 1.97 km NNE of Snoqualmie, Washington · 20127 days ago · 9 km deep · 90 km away
  9. 1.80 km ESE of Beaux Arts Village, Washington · 20128 days ago · 20 km deep · 90 km away
  10. 2.121 km ENE of Ashford, Washington · 20128 days ago · 0 km deep · 17 km away
  11. 2.31 km NNE of Beaux Arts Village, WA · 20131 days ago · 20 km deep · 91 km away
  12. 3.10 km WSW of Beaux Arts Village, Washington · 20132 days ago · 19 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10839678. Read Tue, Sep 22, 2026, 9:43 PM UTC.