Washington earthquakes

M1.9 earthquake 3 km NW of Connell, Washington

A magnitude 1.9 earthquake struck 3 km NW of Connell, Washington on Sun, Apr 11, 1971, 2:12 PM PST (22:12 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
1971-04-11 22:12:57 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
46.683° N, 118.899° 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 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
192°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.33 km NW of Connell, Washington · 20252 days ago · 2 km deep · 0 km away
  2. 1.93 km NW of Connell, Washington · 20252 days ago · 2 km deep · 1 km away
  3. 1.53 km NW of Connell, Washington · 20251 days ago · 0 km deep · 0 km away
  4. 1.816 km WNW of Othello, Washington · 20240 days ago · 3 km deep · 43 km away
  5. 1.73 km NNW of Connell, Washington · 20236 days ago · 0 km deep · 1 km away
  6. 1.711 km SSW of Benton City, Washington · 20235 days ago · 6 km deep · 76 km away
  7. 1.922 km E of Desert Aire, Washington · 20231 days ago · 6 km deep · 56 km away
  8. 1.913 km N of Pasco, Washington · 20223 days ago · 4 km deep · 39 km away
  9. 1.914 km N of Pasco, Washington · 20223 days ago · 5 km deep · 38 km away
  10. 2.23 km WNW of Connell, Washington · 20198 days ago · 0 km deep · 0 km away

Before

  1. 1.814 km W of Othello, Washington · 20258 days ago · 0 km deep · 39 km away
  2. 1.611 km SSE of Royal City, Washington · 20259 days ago · 3 km deep · 52 km away
  3. 1.812 km SE of Royal City, Washington · 20260 days ago · 2 km deep · 49 km away
  4. 1.813 km SSW of Vantage, Washington · 20270 days ago · 0 km deep · 87 km away
  5. 1.53 km NNW of Connell, Washington · 20271 days ago · 0 km deep · 2 km away
  6. 1.73 km NW of Connell, Washington · 20272 days ago · 0 km deep · 0 km away
  7. 2.35 km WNW of Garrett, Washington · 20274 days ago · 0 km deep · 75 km away
  8. 2.36 km NW of Garrett, Washington · 20274 days ago · 0 km deep · 74 km away
  9. 2.33 km NW of Connell, Washington · 20275 days ago · 3 km deep · 0 km away
  10. 1.93 km NW of Connell, Washington · 20275 days ago · 1 km deep · 1 km away
  11. 1.53 km NW of Connell, Washington · 20275 days ago · 0 km deep · 1 km away
  12. 1.83 km WNW of Connell, Washington · 20276 days ago · 1 km deep · 1 km away
  13. 2.83 km NW of Connell, Washington · 20278 days ago · 1 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10838868. Read Tue, Sep 22, 2026, 9:54 AM UTC.