QQuakeFacts
USGS us1000768y

8 Nov 2016, 07:32

153 km W of Adak, Alaska

A magnitude 5 mb earthquake at 94.6 km depth.

Depth94.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 153 km W of Adak, 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.

51.898900, -178.861300

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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
us1000768y
Coordinates
51.8989, -178.8613
Network
us
Significance
385