Washington earthquakes

M1.5 earthquake 18 km SW of Othello, Washington

A magnitude 1.5 earthquake struck 18 km SW of Othello, Washington on Mon, Nov 30, 1987, 2:32 PM PST (22:32 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M1.6 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
1987-11-30 22:32:23 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
46.712° N, 119.355° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
66°
Stations used
14

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.67 km NNE of Richland, Washington · 14173 days ago · 0 km deep · 41 km away
  2. 2.217 km WSW of Othello, Washington · 14172 days ago · 0 km deep · 5 km away
  3. 1.97 km NNE of Richland, Washington · 14170 days ago · 0 km deep · 41 km away
  4. 1.817 km WSW of Othello, Washington · 14165 days ago · 1 km deep · 4 km away
  5. 1.815 km E of Mattawa, Washington · 14162 days ago · 17 km deep · 26 km away
  6. 1.917 km WSW of Othello, Washington · 14156 days ago · 0 km deep · 4 km away
  7. 2.05 km SSW of Connell, Washington · 14154 days ago · 1 km deep · 38 km away
  8. 1.616 km WSW of Othello, Washington · 14151 days ago · 0 km deep · 4 km away
  9. 2.117 km WSW of Othello, Washington · 14150 days ago · 1 km deep · 3 km away
  10. 1.517 km SW of Othello, Washington · 14150 days ago · 2 km deep · 3 km away
  11. 1.516 km WSW of Othello, Washington · 14150 days ago · 0 km deep · 4 km away
  12. 1.717 km WSW of Othello, Washington · 14149 days ago · 0 km deep · 4 km away
  13. 2.219 km SW of Othello, Washington · 14146 days ago · 1 km deep · 2 km away
  14. 1.917 km WSW of Othello, Washington · 14143 days ago · 0 km deep · 4 km away
  15. 1.717 km WSW of Othello, Washington · 14141 days ago · 1 km deep · 3 km away
  16. 1.716 km WSW of Othello, Washington · 14139 days ago · 0 km deep · 4 km away
  17. 1.516 km S of Prosser, Washington · 14135 days ago · 8 km deep · 78 km away
  18. 2.15 km SW of Connell, Washington · 14130 days ago · 2 km deep · 36 km away
  19. 2.415 km WSW of Othello, Washington · 14130 days ago · 0 km deep · 4 km away
  20. 2.616 km WSW of Othello, Washington · 14127 days ago · 0 km deep · 4 km away
  21. 2.016 km SW of Othello, Washington · 14127 days ago · 0 km deep · 4 km away
  22. 1.716 km SW of Othello, Washington · 14126 days ago · 0 km deep · 3 km away
  23. 1.519 km WSW of Othello, Washington · 14124 days ago · 0 km deep · 5 km away
  24. 1.73 km SSE of Grandview, Washington · 14123 days ago · 12 km deep · 68 km away
  25. 2.13 km SSE of Grandview, Washington · 14123 days ago · 12 km deep · 68 km away
  26. 1.53 km S of Grandview, Washington · 14123 days ago · 11 km deep · 69 km away
  27. 2.14 km NE of Prosser, Washington · 14120 days ago · -1 km deep · 61 km away

Before

  1. 1.615 km NE of Marlin, Washington · 14181 days ago · 0 km deep · 97 km away
  2. 1.85 km NE of Kittitas, Washington · 14182 days ago · 7 km deep · 83 km away
  3. 1.77 km SSW of Desert Aire, Washington · 14184 days ago · 9 km deep · 47 km away
  4. 1.917 km WSW of Othello, Washington · 14184 days ago · 0 km deep · 4 km away
  5. 2.05 km WNW of Quincy, Washington · 14203 days ago · 5 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10228433. Read Tue, Sep 22, 2026, 10:10 AM UTC.