Washington earthquakes

M2.2 earthquake 6 km NW of Connell, Washington

A magnitude 2.2 earthquake struck 6 km NW of Connell, Washington on Fri, Oct 10, 1975, 11:56 PM PDT (06:56 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.3 5 km WNW of Connell, 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
2.2 (md), micro
Local time
UTC
1975-10-11 06:56:11 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
46.703° N, 118.917° 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 1.2 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
191°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.35 km WNW of Connell, Washington · 18610 days ago · 11 km deep · 2 km away
  2. 1.714 km NNE of West Richland, Washington · 18607 days ago · 0 km deep · 41 km away
  3. 2.24 km WNW of Connell, Washington · 18606 days ago · 12 km deep · 2 km away
  4. 2.43 km NNW of Connell, Washington · 18606 days ago · 5 km deep · 3 km away
  5. 1.94 km NW of Connell, Washington · 18594 days ago · 4 km deep · 2 km away
  6. 1.615 km SE of Desert Aire, Washington · 18588 days ago · 20 km deep · 69 km away
  7. 1.619 km NNW of Irrigon, Oregon · 18585 days ago · 18 km deep · 87 km away
  8. 1.914 km NNE of West Richland, Washington · 18585 days ago · 0 km deep · 41 km away
  9. 2.915 km WNW of Othello, Washington · 18583 days ago · 3 km deep · 40 km away
  10. 1.814 km NNE of West Richland, Washington · 18574 days ago · 0 km deep · 41 km away
  11. 1.94 km SSE of Vantage, Washington · 18563 days ago · 6 km deep · 82 km away
  12. 1.914 km NNE of West Richland, Washington · 18561 days ago · 0 km deep · 41 km away
  13. 1.94 km ESE of Vantage, Washington · 18551 days ago · 3 km deep · 81 km away

Before

  1. 1.98 km NW of Connell, Washington · 18625 days ago · 7 km deep · 3 km away
  2. 1.94 km N of Connell, Washington · 18634 days ago · 5 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10861983. Read Wed, Sep 23, 2026, 4:43 AM UTC.