Washington earthquakes

M2.2 earthquake 9 km WNW of Snoqualmie Pass, Washington

A magnitude 2.2 earthquake struck 9 km WNW of Snoqualmie Pass, Washington on Sat, May 7, 1983, 10:10 AM PDT (17:10 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.8 12 km S of Snoqualmie Pass, Washington. This one was a foreshock.

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Map

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The earthquake

Magnitude: 2.2 (md), micro
Local time: Sat, May 7, 1983, 10:10 AM PDT
UTC: 1983-05-07 17:10:49 UTC
Depth: 9.3 km (5.8 mi), shallow
Epicenter: 47.425° N, 121.515° 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 0.0 km horizontally, 0.3 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 132°
Stations used: 16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 21 in the 30 days before it.

After

Before

Earthquakes today Washington earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10157573. Read Tue, Sep 22, 2026, 10:55 AM UTC.