Washington earthquakes

M2.3 earthquake 4 km WNW of Snoqualmie Pass, Washington

A magnitude 2.3 earthquake struck 4 km WNW of Snoqualmie Pass, Washington on Tue, Jul 25, 1972, 3:25 PM PDT (22:25 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.0 4 km SE of Kingston, 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: 2.3 (md), micro
Local time: Tue, Jul 25, 1972, 3:25 PM PDT
UTC: 1972-07-25 22:25:31 UTC
Depth: 3.0 km (1.9 mi), shallow
Epicenter: 47.412° N, 121.459° 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 2.5 km horizontally, 2.6 km in depth
Magnitude uncertainty: ±0.14
Depth from: From location
Station coverage gap: 249°, poorly surrounded by stations
Stations used: 5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 13 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10853463. Read Tue, Sep 22, 2026, 12:14 PM UTC.