Washington earthquakes

M1.5 earthquake 14 km NW of Basin City, Washington

A magnitude 1.5 earthquake struck 14 km NW of Basin City, Washington on Thu, Nov 22, 1973, 11:58 AM PST (19:58 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M1.8 3 km SW of West Richland, Washington. This one was a foreshock.

Basin City 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
1.5 (md), micro
Local time
UTC
1973-11-22 19:58:45 UTC
Depth
1.5 km (0.9 mi), shallow
Epicenter
46.677° N, 119.305° 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 0.2 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
58°
Stations used
16

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 1 in the 30 days before it.

After

  1. 1.83 km SW of West Richland, Washington · 19284 days ago · 0 km deep · 44 km away
  2. 4.414 km WNW of Othello, Washington · 19270 days ago · 3 km deep · 21 km away
  3. 2.014 km WNW of Othello, Washington · 19270 days ago · 1 km deep · 22 km away
  4. 1.714 km WNW of Othello, Washington · 19267 days ago · 3 km deep · 21 km away
  5. 1.820 km SSE of Prosser, Washington · 19260 days ago · 9 km deep · 77 km away
  6. 2.819 km SSE of Prosser, Washington · 19260 days ago · 11 km deep · 75 km away
  7. 2.019 km SSE of Prosser, Washington · 19260 days ago · 10 km deep · 76 km away
  8. 1.819 km SSE of Prosser, Washington · 19260 days ago · 10 km deep · 77 km away
  9. 2.319 km SSE of Prosser, Washington · 19260 days ago · 10 km deep · 76 km away
  10. 1.612 km NNE of Basin City, Washington · 19253 days ago · 1 km deep · 16 km away
  11. 2.714 km WNW of Othello, Washington · 19251 days ago · 0 km deep · 22 km away
  12. 1.516 km WNW of Othello, Washington · 19251 days ago · 0 km deep · 21 km away
  13. 1.614 km WSW of Othello, Washington · 19249 days ago · 1 km deep · 13 km away

Before

  1. 1.511 km SW of Royal City, Washington · 19320 days ago · 0 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10857798. Read Tue, Sep 22, 2026, 8:48 PM UTC.