Washington earthquakes

M1.8 earthquake 16 km SW of Othello, Washington

A magnitude 1.8 earthquake struck 16 km SW of Othello, Washington on Fri, Jul 23, 1971, 3:47 AM PDT (10:47 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.2 9 km W of Benton City, Washington. This one was a foreshock.

Othello 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
1971-07-23 10:47:51 UTC
Depth
2.7 km (1.7 mi), shallow
Epicenter
46.739° N, 119.346° 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 0.3 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.34
Depth from
From location
Station coverage gap
65°
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: 12 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.815 km SW of Othello, Washington · 20150 days ago · 1 km deep · 1 km away
  2. 1.516 km W of Othello, Washington · 20138 days ago · 0 km deep · 8 km away
  3. 1.615 km SW of Othello, Washington · 20134 days ago · 0 km deep · 0 km away
  4. 2.29 km W of Benton City, Washington · 20122 days ago · 9 km deep · 56 km away
  5. 1.518 km SW of Othello, Washington · 20120 days ago · 0 km deep · 3 km away
  6. 1.611 km ESE of Royal City, Washington · 20116 days ago · 2 km deep · 18 km away
  7. 1.918 km SW of Othello, Washington · 20115 days ago · 1 km deep · 3 km away
  8. 1.518 km SW of Othello, Washington · 20115 days ago · 0 km deep · 3 km away
  9. 1.518 km SW of Othello, Washington · 20115 days ago · 3 km deep · 4 km away
  10. 1.519 km SE of Royal City, Washington · 20115 days ago · 0 km deep · 9 km away
  11. 1.74 km N of Kahlotus, Washington · 20106 days ago · 5 km deep · 61 km away
  12. 1.618 km SE of Royal City, Washington · 20102 days ago · 0 km deep · 10 km away

Before

  1. 2.016 km SW of Othello, Washington · 20154 days ago · 0 km deep · 0 km away
  2. 2.08 km SW of Royal City, Washington · 20163 days ago · 0 km deep · 29 km away
  3. 1.97 km SSW of Royal City, Washington · 20163 days ago · 0 km deep · 28 km away
  4. 1.57 km SSW of Royal City, Washington · 20164 days ago · 0 km deep · 28 km away
  5. 1.74 km W of Connell, Washington · 20164 days ago · 0 km deep · 34 km away
  6. 1.612 km N of West Richland, Washington · 20174 days ago · 5 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10839388. Read Tue, Sep 22, 2026, 8:56 PM UTC.