QQuakeFacts
USGS us100072c6

27 Oct 2016, 13:44

134 km S of False Pass, Alaska

A magnitude 5.1 mww earthquake at 18.8 km depth.

Depth18.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 134 km S of False Pass, 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.

53.651800, -163.297100

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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
us100072c6
Coordinates
53.6518, -163.2971
Network
us
Significance
400