Washington earthquakes

M1.8 earthquake Washington

A magnitude 1.8 earthquake struck in Washington on Fri, Feb 19, 1971, 8:13 PM PST (04:13 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.3 16 km S of La Crosse, 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
1.8 (md), micro
Local time
UTC
1971-02-20 04:13:42 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
46.688° N, 118.883° 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 1.1 km horizontally, 2.2 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
199°, poorly surrounded by stations
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 1.725 km E of Desert Aire, Washington · 20298 days ago · 4 km deep · 53 km away
  2. 1.511 km NNW of Basin City, Washington · 20294 days ago · 3 km deep · 24 km away
  3. 2.316 km S of La Crosse, Washington · 20287 days ago · 0 km deep · 75 km away
  4. 1.611 km SW of Cascade Valley, Washington · 20285 days ago · 0 km deep · 60 km away
  5. 2.83 km NW of Connell, Washington · 20279 days ago · 1 km deep · 1 km away
  6. 1.83 km WNW of Connell, Washington · 20276 days ago · 1 km deep · 2 km away
  7. 1.53 km NW of Connell, Washington · 20276 days ago · 0 km deep · 1 km away
  8. 1.93 km NW of Connell, Washington · 20276 days ago · 1 km deep · 1 km away
  9. 2.33 km NW of Connell, Washington · 20276 days ago · 3 km deep · 1 km away
  10. 2.36 km NW of Garrett, Washington · 20275 days ago · 0 km deep · 74 km away
  11. 2.35 km WNW of Garrett, Washington · 20275 days ago · 0 km deep · 75 km away
  12. 1.73 km NW of Connell, Washington · 20273 days ago · 0 km deep · 1 km away
  13. 1.53 km NNW of Connell, Washington · 20271 days ago · 0 km deep · 0 km away
  14. 1.813 km SSW of Vantage, Washington · 20271 days ago · 0 km deep · 88 km away
  15. 1.812 km SE of Royal City, Washington · 20261 days ago · 2 km deep · 50 km away
  16. 1.611 km SSE of Royal City, Washington · 20260 days ago · 3 km deep · 53 km away
  17. 1.814 km W of Othello, Washington · 20259 days ago · 0 km deep · 40 km away
  18. 1.93 km NW of Connell, Washington · 20253 days ago · 1 km deep · 1 km away
  19. 2.33 km NW of Connell, Washington · 20253 days ago · 2 km deep · 1 km away
  20. 1.93 km NW of Connell, Washington · 20253 days ago · 2 km deep · 1 km away
  21. 1.53 km NW of Connell, Washington · 20252 days ago · 0 km deep · 1 km away

Before

  1. 1.810 km WSW of Cascade Valley, Washington · 20306 days ago · 1 km deep · 65 km away
  2. 1.517 km ESE of Royal City, Washington · 20307 days ago · 0 km deep · 44 km away
  3. 1.55 km ENE of Royal City, Washington · 20309 days ago · 0 km deep · 57 km away
  4. 1.65 km ENE of Royal City, Washington · 20311 days ago · 3 km deep · 58 km away
  5. 2.37 km E of Royal City, Washington · 20314 days ago · 1 km deep · 55 km away
  6. 1.67 km E of Royal City, Washington · 20319 days ago · 2 km deep · 55 km away
  7. 1.76 km E of Royal City, Washington · 20322 days ago · 2 km deep · 56 km away
  8. 2.03 km NW of Connell, Washington · 20323 days ago · 2 km deep · 1 km away
  9. 1.66 km E of Royal City, Washington · 20324 days ago · 4 km deep · 56 km away
  10. 1.66 km E of Royal City, Washington · 20324 days ago · 2 km deep · 56 km away
  11. 2.26 km E of Royal City, Washington · 20326 days ago · 1 km deep · 56 km away
  12. 2.02 km NNW of Connell, Washington · 20327 days ago · 2 km deep · 1 km away
  13. 1.75 km E of Royal City, Washington · 20328 days ago · 6 km deep · 57 km away
  14. 1.56 km ENE of Royal City, Washington · 20328 days ago · 0 km deep · 57 km away
  15. 1.66 km ENE of Royal City, Washington · 20328 days ago · 2 km deep · 57 km away
  16. 1.66 km E of Royal City, Washington · 20329 days ago · 1 km deep · 56 km away
  17. 3.24 km E of Royal City, Washington · 20329 days ago · 4 km deep · 57 km away
  18. 1.97 km ENE of Royal City, Washington · 20329 days ago · 0 km deep · 57 km away
  19. 1.67 km ENE of Royal City, Washington · 20329 days ago · 3 km deep · 57 km away
  20. 2.53 km NNW of Basin City, Washington · 20330 days ago · 0 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10838568. Read Wed, Sep 23, 2026, 3:52 AM UTC.