1957 Atka earthquake

A great earthquake struck near Atka in the Aleutian Islands of the United States on Saturday 9 March 1957 at 02:22:33pm UTC. The epicentre was placed at 51.499 degrees north, 175.626 degrees west, with a focal depth of 25 kilometres.

Origin time (UTC)

1957-03-09T14:22

Magnitude

8.6

Magnitude type

mw

Depth (km)

25

USGS event page

earthquake.usgs.gov/earthquakes/eventpage/official19570309142233_30

Category: Disasters & Incidents

Tags: alaska, aleutians, atka, subduction

Coordinates: 51.499, -175.626

Part of Earthquakes of magnitude 8.5 and above since 1900

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