Washington earthquakes

M1.9 earthquake 3 km NW of Connell, Washington

A magnitude 1.9 earthquake struck 3 km NW of Connell, Washington on Fri, Mar 19, 1971, 11:00 PM PST (07:00 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.3 3 km NW 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
1.9 (md), micro
Local time
UTC
1971-03-20 07:00:24 UTC
Depth
1.0 km (0.6 mi), shallow
Epicenter
46.687° N, 118.890° 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 0.8 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
198°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.33 km NW of Connell, Washington · 20280 days ago · 3 km deep · 1 km away
  2. 2.36 km NW of Garrett, Washington · 20279 days ago · 0 km deep · 74 km away
  3. 2.35 km WNW of Garrett, Washington · 20279 days ago · 0 km deep · 75 km away
  4. 1.73 km NW of Connell, Washington · 20277 days ago · 0 km deep · 1 km away
  5. 1.53 km NNW of Connell, Washington · 20275 days ago · 0 km deep · 1 km away
  6. 1.813 km SSW of Vantage, Washington · 20275 days ago · 0 km deep · 88 km away
  7. 1.812 km SE of Royal City, Washington · 20265 days ago · 2 km deep · 50 km away
  8. 1.611 km SSE of Royal City, Washington · 20263 days ago · 3 km deep · 53 km away
  9. 1.814 km W of Othello, Washington · 20263 days ago · 0 km deep · 39 km away
  10. 1.93 km NW of Connell, Washington · 20257 days ago · 1 km deep · 1 km away
  11. 2.33 km NW of Connell, Washington · 20257 days ago · 2 km deep · 1 km away
  12. 1.93 km NW of Connell, Washington · 20257 days ago · 2 km deep · 0 km away
  13. 1.53 km NW of Connell, Washington · 20255 days ago · 0 km deep · 0 km away
  14. 1.816 km WNW of Othello, Washington · 20244 days ago · 3 km deep · 43 km away
  15. 1.73 km NNW of Connell, Washington · 20240 days ago · 0 km deep · 1 km away
  16. 1.711 km SSW of Benton City, Washington · 20240 days ago · 6 km deep · 77 km away
  17. 1.922 km E of Desert Aire, Washington · 20235 days ago · 6 km deep · 57 km away
  18. 1.913 km N of Pasco, Washington · 20227 days ago · 4 km deep · 39 km away
  19. 1.914 km N of Pasco, Washington · 20227 days ago · 5 km deep · 39 km away

Before

  1. 1.53 km NW of Connell, Washington · 20280 days ago · 0 km deep · 0 km away
  2. 1.83 km WNW of Connell, Washington · 20280 days ago · 1 km deep · 2 km away
  3. 2.83 km NW of Connell, Washington · 20283 days ago · 1 km deep · 0 km away
  4. 1.611 km SW of Cascade Valley, Washington · 20289 days ago · 0 km deep · 60 km away
  5. 2.316 km S of La Crosse, Washington · 20291 days ago · 0 km deep · 75 km away
  6. 1.511 km NNW of Basin City, Washington · 20298 days ago · 3 km deep · 24 km away
  7. 1.725 km E of Desert Aire, Washington · 20301 days ago · 4 km deep · 53 km away
  8. 1.8Washington · 20308 days ago · 1 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10838753. Read Sat, Sep 26, 2026, 9:49 PM UTC.