Washington earthquakes

M1.5 earthquake 14 km SSW of Othello, Washington

A magnitude 1.5 earthquake struck 14 km SSW of Othello, Washington on Fri, Dec 19, 1975, 3:03 PM PST (23:03 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M1.6 12 km NNW of Basin 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
1.5 (md), micro
Local time
UTC
1975-12-19 23:03:54 UTC
Depth
23.8 km (14.8 mi), shallow
Epicenter
46.709° N, 119.248° 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 1.9 km horizontally, 6.0 km in depth
Magnitude uncertainty
±0.23
Depth from
Operator assigned
Station coverage gap
191°, poorly surrounded by stations
Stations used
5

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 4 in the 30 days before it.

After

  1. 1.612 km NNW of Basin City, Washington · 18532 days ago · 0 km deep · 3 km away
  2. 2.12 km NNW of Connell, Washington · 18530 days ago · 9 km deep · 28 km away
  3. 2.712 km NNW of Basin City, Washington · 18529 days ago · 4 km deep · 3 km away
  4. 2.311 km NNW of Basin City, Washington · 18528 days ago · 4 km deep · 3 km away
  5. 2.012 km NNW of Basin City, Washington · 18525 days ago · 5 km deep · 2 km away
  6. 2.610 km NNW of Basin City, Washington · 18523 days ago · 4 km deep · 4 km away
  7. 2.11 km WNW of Connell, Washington · 18517 days ago · 15 km deep · 28 km away
  8. 2.116 km N of Richland, Washington · 18499 days ago · 2 km deep · 31 km away
  9. 2.015 km S of Benton City, Washington · 18485 days ago · 2 km deep · 67 km away
  10. 1.611 km NNE of Mattawa, Washington · 18480 days ago · 5 km deep · 48 km away

Before

  1. 1.717 km ENE of George, Washington · 18547 days ago · 14 km deep · 54 km away
  2. 1.94 km ESE of Vantage, Washington · 18551 days ago · 3 km deep · 57 km away
  3. 1.914 km NNE of West Richland, Washington · 18561 days ago · 0 km deep · 32 km away
  4. 1.94 km SSE of Vantage, Washington · 18563 days ago · 6 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10862378. Read Tue, Sep 22, 2026, 7:47 PM UTC.