Washington earthquakes

M3.7 earthquake 38 km NNE of Amboy, Washington

A magnitude 3.7 earthquake struck 38 km NNE of Amboy, Washington on Fri, May 2, 1980, 4:12 PM PDT (23:12 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M4.1 38 km NNE of Amboy, Washington. This one was a foreshock.

Amboy forecastMore in Washington

Map

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

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The earthquake

Magnitude
3.7 (md), minor
Local time
UTC
1980-05-02 23:12:07 UTC
Depth
-1.0 km (-0.6 mi), shallow
Epicenter
46.204° N, 122.189° 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
±0.04
Depth from
Operator assigned
Station coverage gap
137°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 197.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10077383. Read Tue, Sep 22, 2026, 9:28 PM UTC.