Washington earthquakes

M2.4 earthquake 12 km W of Snoqualmie Pass, Washington

A magnitude 2.4 earthquake struck 12 km W of Snoqualmie Pass, Washington on Mon, Feb 4, 1980, 11:38 AM PST (19:38 UTC), 95 km (59 mi) below the surface.

A larger quake followed: M2.7 7 km S of Baring, 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: 2.4 (md), micro
Local time: Mon, Feb 4, 1980, 11:38 AM PST
UTC: 1980-02-04 19:38:33 UTC
Depth: 95.2 km (59.2 mi), intermediate-depth
Epicenter: 47.385° N, 121.566° W
Region: Washington
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 1.2 km horizontally, 1.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 74°
Stations used: 32

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 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10075258. Read Tue, Sep 22, 2026, 9:11 AM UTC.