Washington earthquakes

M2.3 earthquake 7 km ENE of Snoqualmie, Washington

A magnitude 2.3 earthquake struck 7 km ENE of Snoqualmie, Washington on Sat, Mar 6, 1982, 12:23 PM PST (20:23 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.4 3 km NE of Mineral, Washington. This one was a foreshock.

Snoqualmie 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
2.3 (md), micro
Local time
UTC
1982-03-06 20:23:06 UTC
Depth
7.2 km (4.4 mi), shallow
Epicenter
47.568° N, 121.739° 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 0.6 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
89°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 20 in the 30 days before it.

After

Before

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10128428. Read Tue, Sep 22, 2026, 2:55 PM UTC.