Washington earthquakes

M1.7 earthquake 11 km NE of Tanner, Washington

A magnitude 1.7 earthquake struck 11 km NE of Tanner, Washington on Wed, Sep 25, 1974, 12:21 AM PDT (07:21 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.4 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
1.7 (md), micro
Local time
UTC
1974-09-25 07:21:18 UTC
Depth
11.6 km (7.2 mi), shallow
Epicenter
47.553° N, 121.638° 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 3.8 km horizontally, 4.5 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
199°, poorly surrounded by stations
Stations used
4

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 10 in the 30 days before it.

After

  1. 2.11 km W of Woods Creek, Washington · 18995 days ago · 31 km deep · 41 km away
  2. 2.08 km ENE of Tanner, Washington · 18970 days ago · -1 km deep · 5 km away
  3. 1.83 km NE of North Bend, Washington · 18969 days ago · 19 km deep · 10 km away
  4. 1.75 km SSW of Seabeck, Washington · 18969 days ago · 20 km deep · 91 km away
  5. 1.96 km WSW of La Grande, Washington · 18968 days ago · 62 km deep · 99 km away
  6. 2.0Puget Sound region, Washington · 18968 days ago · 7 km deep · 64 km away
  7. 2.03 km ESE of Lake Roesiger, Washington · 18964 days ago · 18 km deep · 49 km away
  8. 1.74 km WNW of Lofall, Washington · 18962 days ago · 19 km deep · 87 km away
  9. 1.96 km SSE of Carbonado, Washington · 18961 days ago · -1 km deep · 65 km away
  10. 2.21 km WNW of Beaux Arts Village, Washington · 18958 days ago · 14 km deep · 44 km away
  11. 1.71 km SSE of Lynnwood, Washington · 18958 days ago · 17 km deep · 57 km away
  12. 2.218 km SSE of Carbonado, Washington · 18956 days ago · 3 km deep · 74 km away
  13. 1.67 km ESE of Enumclaw, Washington · 18956 days ago · 1 km deep · 45 km away
  14. 2.31 km W of Hobart, Washington · 18956 days ago · 19 km deep · 31 km away
  15. 2.4Washington · 18954 days ago · -1 km deep · 34 km away
  16. 2.33 km SSE of Issaquah, Washington · 18950 days ago · 21 km deep · 28 km away
  17. 2.010 km SE of Ashford, Washington · 18948 days ago · 30 km deep · 97 km away
  18. 2.03 km W of Belfair, Washington · 18948 days ago · -1 km deep · 93 km away
  19. 1.98 km ESE of Lake Roesiger, Washington · 18948 days ago · 8 km deep · 47 km away
  20. 1.82 km ESE of Snoqualmie, Washington · 18947 days ago · 10 km deep · 13 km away
  21. 1.51 km W of Monroe, Washington · 18946 days ago · -1 km deep · 43 km away
  22. 1.94 km ESE of Cathcart, Washington · 18945 days ago · 16 km deep · 44 km away
  23. 1.89 km ESE of Enumclaw, Washington · 18943 days ago · 8 km deep · 45 km away
  24. 2.120 km ENE of Ashford, Washington · 18943 days ago · 5 km deep · 78 km away
  25. 2.021 km NNE of Packwood, Washington · 18939 days ago · 3 km deep · 86 km away

Before

  1. 1.68 km ENE of Snoqualmie, Washington · 18998 days ago · 10 km deep · 7 km away
  2. 2.119 km NE of Tanner, Washington · 18998 days ago · 9 km deep · 8 km away
  3. 1.911 km SE of Ashford, Washington · 19004 days ago · 2 km deep · 98 km away
  4. 1.92 km NNW of Maple Valley, Washington · 19004 days ago · 3 km deep · 36 km away
  5. 2.612 km SE of Ashford, Washington · 19010 days ago · 6 km deep · 99 km away
  6. 2.014 km WSW of Easton, Washington · 19011 days ago · 4 km deep · 46 km away
  7. 2.010 km NE of Snoqualmie, Washington · 19012 days ago · 10 km deep · 9 km away
  8. 2.28 km NW of Seattle, Washington · 19017 days ago · 17 km deep · 58 km away
  9. 2.022 km ENE of Ashford, Washington · 19017 days ago · -1 km deep · 78 km away
  10. 1.827 km SSE of Greenwater, Washington · 19023 days ago · 0 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10859548. Read Wed, Sep 30, 2026, 1:27 AM UTC.