Washington earthquakes

M1.7 earthquake Washington

A magnitude 1.7 earthquake struck in Washington on Fri, Nov 2, 1984, 7:36 PM PST (03:36 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M1.8 9 km SW of Roslyn, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1984-11-03 03:36:02 UTC
Depth
0.5 km (0.3 mi), shallow
Epicenter
46.816° N, 120.068° 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, 1.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
95°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.89 km SW of Roslyn, Washington · 15294 days ago · 0 km deep · 84 km away
  2. 1.913 km NNW of Vantage, Washington · 15291 days ago · 0 km deep · 26 km away
  3. 1.810 km W of Entiat, Washington · 15273 days ago · -1 km deep · 99 km away
  4. 1.82 km ESE of Entiat, Washington · 15260 days ago · -1 km deep · 95 km away
  5. 1.52 km SE of Entiat, Washington · 15260 days ago · 6 km deep · 94 km away
  6. 2.615 km NNW of Vantage, Washington · 15257 days ago · -1 km deep · 28 km away
  7. 2.315 km NW of Vantage, Washington · 15256 days ago · 8 km deep · 27 km away
  8. 2.616 km NNW of Vantage, Washington · 15255 days ago · 7 km deep · 28 km away
  9. 1.714 km NW of Vantage, Washington · 15255 days ago · 1 km deep · 26 km away
  10. 2.315 km NNW of Vantage, Washington · 15253 days ago · 0 km deep · 27 km away
  11. 1.513 km ENE of Cliffdell, Washington · 15249 days ago · 0 km deep · 65 km away

Before

  1. 1.915 km SSW of Vantage, Washington · 15299 days ago · 3 km deep · 1 km away
  2. 2.1Washington · 15301 days ago · 0 km deep · 26 km away
  3. 2.315 km NNW of Vantage, Washington · 15302 days ago · 0 km deep · 27 km away
  4. 1.617 km SE of Prosser, Washington · 15328 days ago · 0 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10180873. Read Wed, Sep 23, 2026, 9:48 AM UTC.