Washington earthquakes

M1.5 earthquake 26 km NE of Sunnyside, Washington

A magnitude 1.5 earthquake struck 26 km NE of Sunnyside, Washington on Sat, Aug 5, 1972, 2:47 AM PDT (09:47 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M1.8 15 km ESE of Royal City, Washington. This one was a foreshock.

Sunnyside 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
1.5 (md), micro
Local time
UTC
1972-08-05 09:47:56 UTC
Depth
16.1 km (10.0 mi), shallow
Epicenter
46.466° N, 119.729° 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 0.5 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
164°
Stations used
13

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 0 in the 30 days before it.

After

  1. 1.815 km ESE of Royal City, Washington · 19761 days ago · 2 km deep · 46 km away
  2. 1.816 km ESE of Royal City, Washington · 19760 days ago · 3 km deep · 45 km away
  3. 1.815 km ESE of Royal City, Washington · 19760 days ago · 0 km deep · 45 km away
  4. 1.515 km ESE of Royal City, WA · 19760 days ago · 1 km deep · 46 km away
  5. 1.6Washington · 19760 days ago · 3 km deep · 45 km away
  6. 1.615 km ESE of Royal City, Washington · 19760 days ago · 2 km deep · 45 km away
  7. 1.715 km ESE of Royal City, Washington · 19759 days ago · 3 km deep · 45 km away
  8. 2.017 km WNW of Ione, Oregon · 19756 days ago · -1 km deep · 100 km away
  9. 2.120 km SW of Boardman, Oregon · 19751 days ago · 0 km deep · 82 km away
  10. 1.814 km WNW of Othello, Washington · 19748 days ago · 2 km deep · 53 km away
  11. 1.514 km ESE of Royal City, Washington · 19745 days ago · 1 km deep · 46 km away
  12. 1.615 km ESE of Royal City, Washington · 19738 days ago · 2 km deep · 45 km away
  13. 1.621 km NNW of Benton City, Washington · 19735 days ago · 18 km deep · 11 km away
  14. 1.914 km ESE of Royal City, Washington · 19725 days ago · 2 km deep · 45 km away
  15. 2.114 km ESE of Royal City, Washington · 19724 days ago · 0 km deep · 45 km away
  16. 1.914 km ESE of Royal City, Washington · 19724 days ago · 0 km deep · 45 km away
  17. 1.914 km ESE of Royal City, Washington · 19724 days ago · 1 km deep · 45 km away
  18. 1.58 km WNW of Othello, Washington · 19720 days ago · 16 km deep · 56 km away
  19. 1.814 km ESE of Royal City, Washington · 19720 days ago · 2 km deep · 46 km away
  20. 1.814 km ESE of Royal City, Washington · 19719 days ago · 4 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10853578. Read Tue, Sep 22, 2026, 10:49 AM UTC.