QQuakeFacts
USGS ak007by31ab8

17 Sept 2007, 06:55

277 km W of Attu Station, Alaska

A magnitude 5.4 mw earthquake at 2.5 km depth.

Depth2.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated13 February 2019Latest timestamp stored in this record

Published location

Where is 277 km W 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.

52.984600, 169.067500

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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
ak007by31ab8
Coordinates
52.9846, 169.0675
Network
ak
Significance
449