Washington earthquakes

M4.1 earthquake 37 km NNE of Amboy, Washington

A magnitude 4.1 earthquake struck 37 km NNE of Amboy, Washington on Thu, Apr 24, 1980, 5:32 AM PST (13:32 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.2 37 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
4.1 (md), light
Local time
UTC
1980-04-24 13:32:07 UTC
Depth
1.9 km (1.2 mi), shallow
Epicenter
46.196° N, 122.180° 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, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
55°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 198.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10085778 (also filed as usp00016uy). Read Tue, Sep 22, 2026, 7:45 PM UTC.