Washington earthquakes

M1.8 earthquake 2 km NNE of Yarrow Point, Washington

A magnitude 1.8 earthquake struck 2 km NNE of Yarrow Point, Washington on Thu, Dec 1, 1988, 6:15 PM PST (02:15 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.3 2 km ENE of Yarrow Point, 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
1.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1988-12-02 02:15:59 UTC
Depth
-0.4 km (-0.2 mi), shallow
Epicenter
47.663° N, 122.204° 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
50°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 17 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10237148. Read Fri, Oct 2, 2026, 2:49 PM UTC.