Washington earthquakes

M1.7 earthquake 9 km NNW of Mesa, Washington

A magnitude 1.7 earthquake struck 9 km NNW of Mesa, Washington on Sun, Nov 22, 1970, 4:15 AM PST (12:15 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.1 14 km NNE of West Richland, Washington. This one was a foreshock.

Basin City 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
1970-11-22 12:15:50 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
46.658° N, 119.036° 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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
150°
Stations used
3

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 2.114 km NNE of West Richland, Washington · 20393 days ago · 0 km deep · 33 km away
  2. 1.614 km ENE of Royal City, Washington · 20391 days ago · 5 km deep · 44 km away
  3. 2.014 km NW of Othello, Washington · 20390 days ago · 0 km deep · 35 km away
  4. 2.124 km E of Desert Aire, Washington · 20390 days ago · 0 km deep · 43 km away
  5. 1.524 km E of Desert Aire, Washington · 20390 days ago · 5 km deep · 43 km away
  6. 2.2Washington · 20390 days ago · 3 km deep · 43 km away
  7. 1.816 km NNE of West Richland, Washington · 20389 days ago · 0 km deep · 31 km away
  8. 2.016 km NNE of West Richland, Washington · 20389 days ago · 1 km deep · 30 km away
  9. 2.316 km NNE of West Richland, Washington · 20389 days ago · 2 km deep · 30 km away
  10. 1.914 km NNE of West Richland, Washington · 20389 days ago · 3 km deep · 33 km away
  11. 1.93 km NNW of Royal City, Washington · 20389 days ago · 3 km deep · 55 km away
  12. 1.917 km W of Othello, Washington · 20388 days ago · 0 km deep · 32 km away
  13. 2.32 km N of Connell, Washington · 20386 days ago · 5 km deep · 13 km away
  14. 1.74 km ESE of Basin City, Washington · 20386 days ago · 12 km deep · 10 km away
  15. 2.12 km NW of Connell, Washington · 20386 days ago · 4 km deep · 12 km away
  16. 1.917 km W of Othello, Washington · 20386 days ago · 0 km deep · 33 km away
  17. 2.15 km NNE of Connell, Washington · 20386 days ago · 0 km deep · 16 km away
  18. 1.617 km W of Othello, Washington · 20386 days ago · 0 km deep · 33 km away
  19. 1.83 km W of Connell, Washington · 20386 days ago · 0 km deep · 9 km away
  20. 1.716 km W of Othello, Washington · 20385 days ago · 0 km deep · 32 km away
  21. 1.517 km W of Othello, Washington · 20385 days ago · 0 km deep · 33 km away
  22. 2.616 km ESE of Quincy, Washington · 20385 days ago · 0 km deep · 73 km away
  23. 1.94 km N of Connell, Washington · 20385 days ago · 0 km deep · 15 km away
  24. 2.44 km N of Connell, Washington · 20385 days ago · 0 km deep · 14 km away
  25. 2.115 km ESE of Quincy, Washington · 20384 days ago · 11 km deep · 75 km away
  26. 1.53 km WNW of Mesa, Washington · 20375 days ago · 10 km deep · 8 km away
  27. 1.617 km W of Othello, Washington · 20374 days ago · 0 km deep · 33 km away
  28. 1.517 km W of Othello, Washington · 20374 days ago · 0 km deep · 32 km away
  29. 1.517 km W of Othello, Washington · 20373 days ago · 0 km deep · 33 km away
  30. 1.617 km W of Othello, Washington · 20373 days ago · 4 km deep · 33 km away
  31. 1.517 km W of Othello, Washington · 20373 days ago · 0 km deep · 33 km away
  32. 1.917 km W of Othello, Washington · 20372 days ago · 3 km deep · 33 km away
  33. 2.317 km W of Othello, Washington · 20372 days ago · 5 km deep · 33 km away
  34. 1.64 km N of Connell, Washington · 20371 days ago · 0 km deep · 14 km away
  35. 2.15 km WNW of Connell, Washington · 20367 days ago · 5 km deep · 10 km away
  36. 1.54 km NNE of Connell, Washington · 20367 days ago · 6 km deep · 15 km away
  37. 2.111 km SW of Cascade Valley, Washington · 20363 days ago · 13 km deep · 52 km away
  38. 1.511 km SW of Cascade Valley, Washington · 20360 days ago · 12 km deep · 54 km away
  39. 1.710 km SE of Royal City, Washington · 20359 days ago · 2 km deep · 43 km away
  40. 2.08 km NE of Basin City, Washington · 20358 days ago · 5 km deep · 3 km away
  41. 1.917 km W of Othello, Washington · 20351 days ago · 0 km deep · 33 km away
  42. 1.916 km W of Othello, Washington · 20351 days ago · 0 km deep · 32 km away
  43. 1.616 km W of Othello, Washington · 20350 days ago · 0 km deep · 32 km away
  44. 1.817 km W of Othello, Washington · 20350 days ago · 0 km deep · 33 km away
  45. 2.016 km W of Othello, Washington · 20350 days ago · 1 km deep · 33 km away
  46. 1.717 km W of Othello, Washington · 20350 days ago · 0 km deep · 33 km away
  47. 1.916 km W of Othello, Washington · 20350 days ago · 0 km deep · 33 km away
  48. 1.616 km W of Othello, Washington · 20350 days ago · 2 km deep · 32 km away
  49. 1.516 km W of Othello, Washington · 20350 days ago · 0 km deep · 32 km away
  50. 1.716 km W of Othello, Washington · 20350 days ago · 0 km deep · 32 km away
  51. 1.816 km W of Othello, Washington · 20350 days ago · 0 km deep · 32 km away
  52. 1.616 km W of Othello, Washington · 20349 days ago · 0 km deep · 32 km away
  53. 1.716 km WSW of Othello, Washington · 20347 days ago · 1 km deep · 26 km away
  54. 1.63 km N of Connell, Washington · 20343 days ago · 0 km deep · 14 km away
  55. 1.65 km ENE of Royal City, Washington · 20338 days ago · 0 km deep · 49 km away
  56. 1.88 km NNW of Mesa, Washington · 20336 days ago · 4 km deep · 2 km away
  57. 1.95 km NNE of Basin City, Washington · 20334 days ago · 4 km deep · 6 km away

Before

  1. 1.87 km NE of Basin City, Washington · 20396 days ago · 4 km deep · 5 km away
  2. 2.914 km NNE of West Richland, Washington · 20401 days ago · 1 km deep · 32 km away
  3. 1.74 km NNW of Connell, Washington · 20404 days ago · 0 km deep · 13 km away
  4. 2.22 km NNW of Connell, Washington · 20404 days ago · 0 km deep · 13 km away
  5. 1.517 km SW of Othello, Washington · 20405 days ago · 4 km deep · 25 km away
  6. 1.717 km WSW of Othello, Washington · 20405 days ago · 0 km deep · 27 km away
  7. 2.019 km S of Mesa, Washington · 20408 days ago · 0 km deep · 29 km away
  8. 2.014 km NNE of West Richland, Washington · 20408 days ago · 0 km deep · 33 km away
  9. 1.613 km NNE of West Richland, Washington · 20409 days ago · 0 km deep · 33 km away
  10. 2.916 km NNE of West Richland, Washington · 20409 days ago · 0 km deep · 31 km away
  11. 1.513 km NNE of West Richland, Washington · 20409 days ago · 0 km deep · 33 km away
  12. 3.12 km NNW of Connell, Washington · 20409 days ago · 2 km deep · 13 km away
  13. 1.714 km W of Othello, Washington · 20409 days ago · 6 km deep · 32 km away
  14. 1.610 km SE of Royal City, Washington · 20415 days ago · 0 km deep · 43 km away
  15. 1.715 km WSW of Othello, Washington · 20415 days ago · 0 km deep · 26 km away
  16. 1.66 km NE of Basin City, Washington · 20417 days ago · 0 km deep · 5 km away
  17. 2.217 km WSW of Othello, Washington · 20422 days ago · 2 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10837393. Read Tue, Sep 22, 2026, 8:45 PM UTC.