Washington earthquakes

M1.5 earthquake 4 km NNE of Connell, Washington

A magnitude 1.5 earthquake struck 4 km NNE of Connell, Washington on Fri, Dec 18, 1970, 9:31 PM PST (05:31 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.1 11 km SW of Cascade Valley, Washington. This one was a foreshock.

Connell 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
1970-12-19 05:31:51 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
46.702° N, 118.850° 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 2.5 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
248°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 47 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 2.111 km SW of Cascade Valley, Washington · 20363 days ago · 13 km deep · 58 km away
  2. 1.511 km SW of Cascade Valley, Washington · 20360 days ago · 12 km deep · 60 km away
  3. 1.710 km SE of Royal City, Washington · 20359 days ago · 2 km deep · 55 km away
  4. 2.08 km NE of Basin City, Washington · 20358 days ago · 5 km deep · 17 km away
  5. 1.917 km W of Othello, Washington · 20351 days ago · 0 km deep · 44 km away
  6. 1.916 km W of Othello, Washington · 20351 days ago · 0 km deep · 43 km away
  7. 1.616 km W of Othello, Washington · 20350 days ago · 0 km deep · 43 km away
  8. 1.817 km W of Othello, Washington · 20350 days ago · 0 km deep · 44 km away
  9. 2.016 km W of Othello, Washington · 20350 days ago · 1 km deep · 44 km away
  10. 1.717 km W of Othello, Washington · 20350 days ago · 0 km deep · 44 km away
  11. 1.916 km W of Othello, Washington · 20350 days ago · 0 km deep · 44 km away
  12. 1.616 km W of Othello, Washington · 20350 days ago · 2 km deep · 43 km away
  13. 1.516 km W of Othello, Washington · 20350 days ago · 0 km deep · 43 km away
  14. 1.716 km W of Othello, Washington · 20350 days ago · 0 km deep · 43 km away
  15. 1.816 km W of Othello, Washington · 20350 days ago · 0 km deep · 43 km away
  16. 1.616 km W of Othello, Washington · 20349 days ago · 0 km deep · 43 km away
  17. 1.716 km WSW of Othello, Washington · 20347 days ago · 1 km deep · 39 km away
  18. 1.63 km N of Connell, Washington · 20343 days ago · 0 km deep · 1 km away
  19. 1.65 km ENE of Royal City, Washington · 20338 days ago · 0 km deep · 59 km away
  20. 1.88 km NNW of Mesa, Washington · 20336 days ago · 4 km deep · 17 km away
  21. 1.95 km NNE of Basin City, Washington · 20334 days ago · 4 km deep · 21 km away
  22. 1.72 km N of Connell, Washington · 20333 days ago · 0 km deep · 2 km away
  23. 1.85 km NNE of Basin City, Washington · 20333 days ago · 4 km deep · 22 km away
  24. 1.85 km NNE of Basin City, Washington · 20333 days ago · 4 km deep · 22 km away
  25. 2.36 km E of Royal City, Washington · 20332 days ago · 2 km deep · 57 km away
  26. 2.86 km E of Royal City, Washington · 20332 days ago · 2 km deep · 57 km away
  27. 1.75 km NNE of Basin City, Washington · 20332 days ago · 5 km deep · 22 km away
  28. 1.84 km NNW of Basin City, Washington · 20332 days ago · 5 km deep · 26 km away
  29. 1.63 km NNW of Basin City, Washington · 20332 days ago · 5 km deep · 26 km away
  30. 2.53 km NNW of Basin City, Washington · 20330 days ago · 0 km deep · 26 km away
  31. 1.67 km ENE of Royal City, Washington · 20329 days ago · 3 km deep · 59 km away
  32. 1.97 km ENE of Royal City, Washington · 20329 days ago · 0 km deep · 58 km away
  33. 3.24 km E of Royal City, Washington · 20328 days ago · 4 km deep · 59 km away
  34. 1.66 km E of Royal City, Washington · 20328 days ago · 1 km deep · 57 km away
  35. 1.66 km ENE of Royal City, Washington · 20328 days ago · 2 km deep · 58 km away
  36. 1.56 km ENE of Royal City, Washington · 20328 days ago · 0 km deep · 58 km away
  37. 1.75 km E of Royal City, Washington · 20327 days ago · 6 km deep · 58 km away
  38. 2.02 km NNW of Connell, Washington · 20327 days ago · 2 km deep · 2 km away
  39. 2.26 km E of Royal City, Washington · 20326 days ago · 1 km deep · 57 km away
  40. 1.66 km E of Royal City, Washington · 20324 days ago · 2 km deep · 57 km away
  41. 1.66 km E of Royal City, Washington · 20323 days ago · 4 km deep · 57 km away
  42. 2.03 km NW of Connell, Washington · 20322 days ago · 2 km deep · 4 km away
  43. 1.76 km E of Royal City, Washington · 20322 days ago · 2 km deep · 57 km away
  44. 1.67 km E of Royal City, Washington · 20319 days ago · 2 km deep · 57 km away
  45. 2.37 km E of Royal City, Washington · 20314 days ago · 1 km deep · 57 km away
  46. 1.65 km ENE of Royal City, Washington · 20311 days ago · 3 km deep · 59 km away
  47. 1.55 km ENE of Royal City, Washington · 20309 days ago · 0 km deep · 59 km away

Before

  1. 2.15 km WNW of Connell, Washington · 20367 days ago · 5 km deep · 5 km away
  2. 1.64 km N of Connell, Washington · 20371 days ago · 0 km deep · 1 km away
  3. 2.317 km W of Othello, Washington · 20372 days ago · 5 km deep · 44 km away
  4. 1.917 km W of Othello, Washington · 20372 days ago · 3 km deep · 44 km away
  5. 1.517 km W of Othello, Washington · 20373 days ago · 0 km deep · 44 km away
  6. 1.617 km W of Othello, Washington · 20373 days ago · 4 km deep · 44 km away
  7. 1.517 km W of Othello, Washington · 20373 days ago · 0 km deep · 44 km away
  8. 1.517 km W of Othello, Washington · 20374 days ago · 0 km deep · 44 km away
  9. 1.617 km W of Othello, Washington · 20374 days ago · 0 km deep · 44 km away
  10. 1.53 km WNW of Mesa, Washington · 20375 days ago · 10 km deep · 20 km away
  11. 2.115 km ESE of Quincy, Washington · 20384 days ago · 11 km deep · 81 km away
  12. 2.44 km N of Connell, Washington · 20385 days ago · 0 km deep · 2 km away
  13. 1.94 km N of Connell, Washington · 20385 days ago · 0 km deep · 1 km away
  14. 2.616 km ESE of Quincy, Washington · 20385 days ago · 0 km deep · 80 km away
  15. 1.517 km W of Othello, Washington · 20385 days ago · 0 km deep · 44 km away
  16. 1.716 km W of Othello, Washington · 20385 days ago · 0 km deep · 43 km away
  17. 1.83 km W of Connell, Washington · 20386 days ago · 0 km deep · 6 km away
  18. 1.617 km W of Othello, Washington · 20386 days ago · 0 km deep · 44 km away
  19. 2.15 km NNE of Connell, Washington · 20386 days ago · 0 km deep · 1 km away
  20. 1.917 km W of Othello, Washington · 20386 days ago · 0 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10837773. Read Tue, Sep 22, 2026, 9:31 PM UTC.