Washington earthquakes

M3.4 earthquake 15 km SW of Othello, Washington

A magnitude 3.4 earthquake struck 15 km SW of Othello, Washington on Sun, Aug 23, 1970, 4:11 AM PDT (11:11 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.5 5 km NNE of Terrace Heights, 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
3.4 (Md, duration), minor
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1970-08-23 11:11:40 UTC
Depth
2.7 km (1.7 mi), shallow
Epicenter
46.746° N, 119.347° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
58°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.715 km SW of Othello, Washington · 20493 days ago · 0 km deep · 1 km away
  2. 1.515 km SW of Othello, Washington · 20492 days ago · 3 km deep · 0 km away
  3. 1.510 km W of Othello, Washington · 20492 days ago · 4 km deep · 9 km away
  4. 1.515 km SW of Othello, Washington · 20492 days ago · 0 km deep · 0 km away
  5. 2.024 km E of Desert Aire, Washington · 20489 days ago · 0 km deep · 21 km away
  6. 1.710 km WNW of Othello, Washington · 20488 days ago · 2 km deep · 11 km away
  7. 2.95 km SSE of Washtucna, Washington · 20484 days ago · 10 km deep · 81 km away
  8. 1.615 km WSW of Othello, Washington · 20482 days ago · 5 km deep · 0 km away
  9. 1.516 km SW of Othello, Washington · 20478 days ago · 0 km deep · 0 km away
  10. 3.55 km NNE of Terrace Heights, Washington · 20474 days ago · 18 km deep · 81 km away
  11. 1.611 km W of Moses Lake North, Washington · 20473 days ago · 2 km deep · 49 km away
  12. 1.510 km SW of Benton City, Washington · 20471 days ago · 21 km deep · 63 km away
  13. 1.614 km W of Othello, Washington · 20468 days ago · 0 km deep · 7 km away
  14. 1.814 km NNE of West Richland, Washington · 20466 days ago · 0 km deep · 37 km away
  15. 1.63 km WNW of Benton City, Washington · 20465 days ago · 8 km deep · 55 km away
  16. 2.217 km WSW of Othello, Washington · 20456 days ago · 0 km deep · 3 km away
  17. 2.917 km WSW of Othello, Washington · 20456 days ago · 4 km deep · 3 km away
  18. 2.711 km SSE of George, Washington · 20456 days ago · 25 km deep · 44 km away
  19. 2.49 km SE of Royal City, Washington · 20454 days ago · 2 km deep · 18 km away
  20. 1.58 km SE of Royal City, Washington · 20454 days ago · 5 km deep · 19 km away
  21. 3.017 km WSW of Othello, Washington · 20454 days ago · 4 km deep · 3 km away
  22. 1.810 km SE of Royal City, Washington · 20454 days ago · 0 km deep · 18 km away
  23. 3.416 km WSW of Othello, Washington · 20453 days ago · 4 km deep · 2 km away
  24. 1.817 km WSW of Othello, Washington · 20453 days ago · 2 km deep · 3 km away
  25. 2.117 km WSW of Othello, Washington · 20452 days ago · 0 km deep · 2 km away
  26. 1.517 km WSW of Othello, Washington · 20451 days ago · 3 km deep · 3 km away
  27. 1.810 km E of Prosser, Washington · 20448 days ago · 12 km deep · 66 km away
  28. 1.917 km WSW of Othello, Washington · 20446 days ago · 0 km deep · 3 km away
  29. 1.615 km WSW of Othello, Washington · 20443 days ago · 0 km deep · 1 km away
  30. 2.08 km NNW of Mesa, Washington · 20442 days ago · 5 km deep · 25 km away
  31. 1.618 km WSW of Othello, Washington · 20441 days ago · 0 km deep · 3 km away
  32. 1.57 km NE of Basin City, Washington · 20440 days ago · 4 km deep · 22 km away
  33. 1.86 km NE of Basin City, Washington · 20440 days ago · 3 km deep · 22 km away
  34. 1.86 km NE of Basin City, Washington · 20440 days ago · 3 km deep · 22 km away
  35. 1.716 km ENE of George, Washington · 20438 days ago · 23 km deep · 47 km away
  36. 1.915 km ENE of George, Washington · 20438 days ago · 18 km deep · 51 km away
  37. 1.86 km NE of Basin City, Washington · 20435 days ago · 3 km deep · 22 km away
  38. 1.77 km NE of Basin City, Washington · 20434 days ago · 0 km deep · 23 km away

Before

  1. 2.17 km WNW of Starbuck, Washington · 20500 days ago · 0 km deep · 89 km away
  2. 1.915 km ESE of Royal City, Washington · 20518 days ago · 0 km deep · 13 km away
  3. 1.615 km W of Othello, Washington · 20520 days ago · 0 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10836833. Read Thu, Oct 1, 2026, 11:32 AM UTC.