Washington earthquakes

M2.3 earthquake 5 km WNW of Meadowdale, Washington

A magnitude 2.3 earthquake struck 5 km WNW of Meadowdale, Washington on Fri, Mar 18, 1983, 11:45 AM PST (19:45 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M2.7 10 km NNE of Snoqualmie, 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
UTC
1983-03-18 19:45:14 UTC
Depth
15.2 km (9.4 mi), shallow
Epicenter
47.871° N, 122.401° 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 0.5 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
51°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 28 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10154593. Read Tue, Sep 22, 2026, 9:41 AM UTC.