Washington earthquakes

M1.5 earthquake 13 km NW of Cliffdell, Washington

A magnitude 1.5 earthquake struck 13 km NW of Cliffdell, Washington on Sun, Jul 17, 1977, 10:38 AM PDT (17:38 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M2.3 4 km SW of Orting, 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
1.5 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1977-07-17 17:38:07 UTC
Depth
17.8 km (11.1 mi), shallow
Epicenter
47.032° N, 121.191° 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 9.0 km horizontally
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
291°, poorly surrounded by stations
Stations used
6

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 13 in the 30 days before it.

After

  1. 2.34 km SW of Orting, Washington · 17971 days ago · 0 km deep · 80 km away
  2. 1.53 km ESE of Fall City, Washington · 17970 days ago · 19 km deep · 76 km away
  3. 2.011 km W of Tieton, Washington · 17967 days ago · 12 km deep · 43 km away
  4. 1.80 km WNW of Normandy Park, Washington · 17965 days ago · 16 km deep · 98 km away
  5. 2.013 km ENE of Ashford, Washington · 17959 days ago · 2 km deep · 58 km away
  6. 1.916 km WNW of Packwood, Washington · 17958 days ago · 0 km deep · 67 km away
  7. 2.02 km NNE of Duvall, Washington · 17958 days ago · 19 km deep · 100 km away
  8. 2.13 km SSW of Redmond, Washington · 17955 days ago · 0 km deep · 99 km away
  9. 1.55 km SE of Mineral, Washington · 17952 days ago · 19 km deep · 81 km away
  10. 1.52 km NNE of Bonney Lake, Washington · 17948 days ago · 12 km deep · 76 km away
  11. 1.713 km SSW of South Cle Elum, Washington · 17936 days ago · 9 km deep · 14 km away
  12. 1.917 km SE of Carbonado, Washington · 17934 days ago · 9 km deep · 54 km away
  13. 1.717 km S of Skykomish, Washington · 17933 days ago · 3 km deep · 60 km away
  14. 1.515 km NNE of Ashford, Washington · 17933 days ago · 15 km deep · 59 km away
  15. 1.516 km S of Skykomish, Washington · 17933 days ago · 3 km deep · 61 km away
  16. 1.52 km NW of Snoqualmie, Washington · 17931 days ago · 25 km deep · 76 km away
  17. 1.811 km W of Packwood, Washington · 17930 days ago · -1 km deep · 66 km away
  18. 1.72 km ENE of Union Hill-Novelty Hill, Washington · 17925 days ago · 23 km deep · 95 km away
  19. 1.613 km SSW of South Cle Elum, Washington · 17923 days ago · 1 km deep · 16 km away
  20. 1.613 km NNE of Cliffdell, Washington · 17923 days ago · 7 km deep · 15 km away
  21. 1.74 km NW of Federal Way, Washington · 17922 days ago · 22 km deep · 94 km away
  22. 2.115 km NNE of Ashford, Washington · 17918 days ago · -1 km deep · 59 km away
  23. 1.56 km ESE of Lake Marcel-Stillwater, Washington · 17915 days ago · 16 km deep · 86 km away

Before

  1. 1.75 km SSW of Cowiche, Washington · 17974 days ago · 16 km deep · 57 km away
  2. 1.711 km SE of Carbonado, Washington · 17977 days ago · 5 km deep · 59 km away
  3. 2.413 km SSW of South Cle Elum, Washington · 17977 days ago · 5 km deep · 16 km away
  4. 2.213 km SSW of South Cle Elum, Washington · 17977 days ago · 4 km deep · 14 km away
  5. 2.710 km NE of Snoqualmie, Washington · 17977 days ago · 7 km deep · 74 km away
  6. 2.012 km S of South Cle Elum, Washington · 17977 days ago · -1 km deep · 18 km away
  7. 3.910 km SSW of South Cle Elum, Washington · 17977 days ago · 2 km deep · 17 km away
  8. 1.71 km NNE of Bonney Lake, Washington · 17996 days ago · 14 km deep · 77 km away
  9. 2.221 km ENE of Packwood, Washington · 17997 days ago · 2 km deep · 42 km away
  10. 1.83 km NNE of Bonney Lake, Washington · 17998 days ago · 7 km deep · 76 km away
  11. 2.13 km N of Bonney Lake, Washington · 18001 days ago · 2 km deep · 78 km away
  12. 2.318 km ESE of Carbonado, Washington · 18001 days ago · -1 km deep · 50 km away
  13. 2.47 km SE of Mineral, Washington · 18001 days ago · 16 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10844133. Read Thu, Oct 1, 2026, 7:53 AM UTC.