Washington earthquakes

M1.5 earthquake 25 km WSW of Othello, Washington

A magnitude 1.5 earthquake struck 25 km WSW of Othello, Washington on Mon, Mar 7, 1988, 9:41 PM PST (05:41 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.6 7 km NNE of Richland, 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
1988-03-08 05:41:54 UTC
Depth
-0.2 km (-0.1 mi), shallow
Epicenter
46.707° N, 119.456° 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 0.0 km horizontally, 0.0 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
52°
Stations used
13

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 6 in the 30 days before it.

After

  1. 2.67 km NNE of Richland, Washington · 14068 days ago · 0 km deep · 42 km away
  2. 2.57 km N of Richland, Washington · 14068 days ago · 0 km deep · 42 km away
  3. 1.57 km N of Richland, Washington · 14067 days ago · 0 km deep · 42 km away
  4. 2.117 km SW of Ellensburg, Washington · 14067 days ago · 8 km deep · 100 km away
  5. 1.88 km SW of Warden, Washington · 14064 days ago · 3 km deep · 35 km away
  6. 2.16 km SW of Warden, Washington · 14060 days ago · 2 km deep · 36 km away
  7. 2.67 km SW of Warden, Washington · 14053 days ago · 3 km deep · 35 km away
  8. 2.67 km WSW of George, Washington · 14047 days ago · 0 km deep · 52 km away
  9. 1.916 km SSE of Royal City, Washington · 14026 days ago · 20 km deep · 9 km away
  10. 1.93 km W of Summitview, Washington · 14018 days ago · -1 km deep · 95 km away

Before

  1. 1.825 km WSW of Othello, Washington · 14083 days ago · 0 km deep · 0 km away
  2. 1.715 km SW of Cascade Valley, Washington · 14090 days ago · 1 km deep · 35 km away
  3. 2.313 km SSW of Cascade Valley, Washington · 14091 days ago · 0 km deep · 37 km away
  4. 1.518 km WSW of Othello, Washington · 14097 days ago · 0 km deep · 7 km away
  5. 1.722 km WSW of Othello, Washington · 14103 days ago · 0 km deep · 4 km away
  6. 2.35 km SW of Connell, Washington · 14104 days ago · 2 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10227658. Read Wed, Sep 23, 2026, 12:52 AM UTC.