Washington earthquakes

M1.6 earthquake 15 km W of Othello, Washington

A magnitude 1.6 earthquake struck 15 km W of Othello, Washington on Mon, Jun 30, 1975, 9:46 PM PDT (04:46 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.2 15 km NNE of West Richland, Washington. This one was a foreshock.

Othello 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
1.6 (md), micro
Local time
UTC
1975-07-01 04:46:19 UTC
Depth
-0.2 km (-0.1 mi), shallow
Epicenter
46.821° N, 119.385° 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
±0.14
Depth from
Operator assigned
Station coverage gap
155°
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: 8 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 2.215 km NNE of West Richland, Washington · 18695 days ago · 0 km deep · 43 km away
  2. 2.73 km N of Rock Island, Washington · 18695 days ago · 6 km deep · 87 km away
  3. 1.87 km SSW of Mesa, Washington · 18693 days ago · 17 km deep · 43 km away
  4. 2.24 km SSW of West Richland, Washington · 18689 days ago · 0 km deep · 61 km away
  5. 1.810 km W of Quincy, Washington · 18660 days ago · 14 km deep · 66 km away
  6. 2.313 km SE of Desert Aire, Washington · 18651 days ago · 12 km deep · 38 km away
  7. 1.513 km SE of Desert Aire, Washington · 18651 days ago · 9 km deep · 38 km away
  8. 1.513 km SE of Desert Aire, Washington · 18651 days ago · 9 km deep · 38 km away

Before

  1. 2.215 km S of Prosser, Washington · 18713 days ago · 9 km deep · 88 km away
  2. 2.213 km SSE of Prosser, Washington · 18713 days ago · 9 km deep · 85 km away
  3. 1.510 km SSE of Prosser, Washington · 18713 days ago · 9 km deep · 82 km away
  4. 2.713 km SSE of Prosser, Washington · 18713 days ago · 9 km deep · 85 km away
  5. 3.812 km SSE of Prosser, Washington · 18713 days ago · 10 km deep · 84 km away
  6. 2.011 km SE of Prosser, Washington · 18713 days ago · 8 km deep · 80 km away
  7. 1.511 km SE of Prosser, Washington · 18714 days ago · 9 km deep · 81 km away
  8. 2.412 km SSE of Prosser, Washington · 18714 days ago · 10 km deep · 84 km away
  9. 3.312 km SSE of Prosser, Washington · 18714 days ago · 9 km deep · 83 km away
  10. 2.011 km ESE of Prosser, Washington · 18714 days ago · 6 km deep · 76 km away
  11. 1.9Washington · 18716 days ago · 0 km deep · 44 km away
  12. 2.10 km E of Pasco, Washington · 18725 days ago · 1 km deep · 68 km away
  13. 1.92 km W of Pasco, Washington · 18725 days ago · 3 km deep · 68 km away
  14. 2.529 km ESE of Desert Aire, Washington · 18726 days ago · 4 km deep · 26 km away
  15. 2.1Washington · 18726 days ago · 0 km deep · 43 km away
  16. 3.11 km WSW of Pasco, Washington · 18727 days ago · 1 km deep · 68 km away
  17. 2.316 km NNE of West Richland, Washington · 18727 days ago · 0 km deep · 43 km away
  18. 1.516 km NNE of West Richland, Washington · 18728 days ago · 0 km deep · 43 km away
  19. 1.617 km NNE of West Richland, Washington · 18735 days ago · 0 km deep · 43 km away
  20. 1.515 km NNE of West Richland, Washington · 18735 days ago · 0 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10861188. Read Tue, Sep 22, 2026, 8:03 AM UTC.