Washington earthquakes

M1.9 earthquake 6 km ESE of Maplewood, Washington

A magnitude 1.9 earthquake struck 6 km ESE of Maplewood, Washington on Sat, Nov 22, 1975, 3:37 PM PST (23:37 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.0 6 km N 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
1.9 (md), micro
Local time
UTC
1975-11-22 23:37:27 UTC
Depth
15.9 km (9.9 mi), shallow
Epicenter
47.379° N, 122.481° 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 1.8 km horizontally, 3.3 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
80°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10862243. Read Tue, Sep 22, 2026, 10:53 AM UTC.