Washington earthquakes

M3.6 earthquake 6 km ENE of Belfair, Washington

A magnitude 3.6 earthquake struck 6 km ENE of Belfair, Washington on Sun, Dec 3, 1972, 2:17 AM PST (10:17 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.9 27 km S of Port Angeles East, Washington. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.6 (Md, duration), minor
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1972-12-03 10:17:42 UTC
Depth
14.8 km (9.2 mi), shallow
Epicenter
47.481° N, 122.757° 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 0.9 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
136°
Stations used
10

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 14 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10855133. Read Thu, Oct 1, 2026, 3:59 AM UTC.