M3.4 earthquake 30 km NE of Amboy, Washington

A magnitude 3.4 earthquake struck 30 km NE of Amboy, Washington on Tue, Mar 25, 1980, 4:42 PM PST (00:42 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M3.7 38 km NNE of Amboy, Washington. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event uw10077103. Read Tue, Sep 22, 2026, 3:56 PM UTC.