QQuakeFacts
USGS us20006hxb

26 Jul 2016, 20:46

116 km S of Unalaska, Alaska

A magnitude 5.4 mww earthquake at 17 km depth.

Depth17 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated2 August 2023Latest timestamp stored in this record

Published location

Where is 116 km S of Unalaska, 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.

52.832900, -166.774300

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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
us20006hxb
Coordinates
52.8329, -166.7743
Network
us
Significance
449