QQuakeFacts
USGS usp000jw8b

29 Nov 2012, 23:22

57 km WSW of Attu Station, Alaska

A magnitude 5 mb earthquake at 37.4 km depth.

Depth37.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 May 2022Latest timestamp stored in this record

Published location

Where is 57 km WSW 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.

52.635000, 172.416000

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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
usp000jw8b
Coordinates
52.635, 172.416
Network
us
Significance
385