Washington earthquakes

M2.8 earthquake 19 km SSE of Prosser, Washington

A magnitude 2.8 earthquake struck 19 km SSE of Prosser, Washington on Sat, Dec 29, 1973, 1:38 AM PST (09:38 UTC), 11 km (7 mi) below the surface.

Prosser 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
2.8 (md), micro
Local time
UTC
1973-12-29 09:38:14 UTC
Depth
10.6 km (6.6 mi), shallow
Epicenter
46.049° N, 119.658° 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 0.9 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
246°, poorly surrounded by stations
Stations used
23

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 5 in the 30 days before it.

After

  1. 2.019 km SSE of Prosser, Washington · 19260 days ago · 10 km deep · 2 km away
  2. 1.819 km SSE of Prosser, Washington · 19260 days ago · 10 km deep · 2 km away
  3. 2.319 km SSE of Prosser, Washington · 19260 days ago · 10 km deep · 1 km away
  4. 1.612 km NNE of Basin City, Washington · 19253 days ago · 1 km deep · 84 km away
  5. 2.714 km WNW of Othello, Washington · 19251 days ago · 0 km deep · 94 km away
  6. 1.516 km WNW of Othello, Washington · 19250 days ago · 0 km deep · 93 km away
  7. 1.614 km WSW of Othello, Washington · 19249 days ago · 1 km deep · 86 km away
  8. 2.013 km NNE of Basin City, Washington · 19236 days ago · 3 km deep · 85 km away
  9. 1.815 km WNW of Othello, Washington · 19235 days ago · 2 km deep · 94 km away
  10. 1.66 km S of Royal City, Washington · 19222 days ago · 0 km deep · 88 km away
  11. 1.614 km WNW of Othello, Washington · 19219 days ago · 0 km deep · 94 km away
  12. 2.34 km NE of Prosser, Washington · 19212 days ago · 0 km deep · 21 km away
  13. 2.24 km NE of Prosser, Washington · 19207 days ago · 0 km deep · 21 km away

Before

  1. 1.820 km SSE of Prosser, Washington · 19260 days ago · 9 km deep · 2 km away
  2. 1.714 km WNW of Othello, Washington · 19267 days ago · 3 km deep · 93 km away
  3. 2.014 km WNW of Othello, Washington · 19269 days ago · 1 km deep · 94 km away
  4. 4.414 km WNW of Othello, Washington · 19269 days ago · 3 km deep · 94 km away
  5. 1.83 km SW of West Richland, Washington · 19284 days ago · 0 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10858023. Read Tue, Sep 22, 2026, 10:21 AM UTC.