QQuakeFacts
USGS usp000657g

16 Dec 1993, 20:11

160 km NW of Attu Station, Alaska

A magnitude 6.1 mwb earthquake at 9.1 km depth.

Depth9.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 160 km NW of Attu Station, Alaska?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

53.804000, 171.382000

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What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

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Catalog fields and provenance
Event ID
usp000657g
Coordinates
53.804, 171.382
Network
us
Significance
572