Washington earthquakes

M1.8 earthquake 1 km WSW of Selah, Washington

A magnitude 1.8 earthquake struck 1 km WSW of Selah, Washington on Wed, Mar 7, 1984, 7:35 PM PST (03:35 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M1.9 Washington. This one was a foreshock.

Selah 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
1.8 (md), micro
Local time
UTC
1984-03-08 03:35:44 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
46.645° N, 120.552° 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 1.3 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
90°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.84 km NE of Tampico, Washington · 15537 days ago · 3 km deep · 23 km away
  2. 1.9Washington · 15531 days ago · -1 km deep · 65 km away
  3. 1.9Washington · 15531 days ago · 0 km deep · 37 km away
  4. 1.77 km SW of South Cle Elum, Washington · 15523 days ago · 8 km deep · 65 km away
  5. 2.023 km ENE of Ashford, Washington · 15521 days ago · 4 km deep · 95 km away
  6. 2.111 km E of Kittitas, Washington · 15495 days ago · 0 km deep · 43 km away
  7. 2.08 km SSE of Leavenworth, Washington · 15493 days ago · 0 km deep · 97 km away
  8. 1.72 km NW of Tieton, Washington · 15488 days ago · 12 km deep · 19 km away
  9. 2.820 km SSW of Prosser, Washington · 15485 days ago · -1 km deep · 85 km away

Before

  1. 1.614 km SSE of Kittitas, Washington · 15539 days ago · 0 km deep · 29 km away
  2. 1.612 km ENE of Naches, Washington · 15550 days ago · 8 km deep · 17 km away
  3. 2.38 km SSE of Leavenworth, Washington · 15557 days ago · 6 km deep · 98 km away
  4. 1.64 km W of South Wenatchee, Washington · 15559 days ago · 3 km deep · 84 km away
  5. 1.823 km ESE of Packwood, Washington · 15562 days ago · 3 km deep · 66 km away
  6. 1.620 km ESE of Desert Aire, Washington · 15565 days ago · 0 km deep · 67 km away
  7. 1.83 km WSW of Cowiche, Washington · 15568 days ago · 5 km deep · 15 km away
  8. 1.819 km WSW of Othello, Washington · 15568 days ago · 0 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10173023. Read Tue, Sep 22, 2026, 4:03 PM UTC.