QQuakeFacts
USGS ak018bzunh68

18 Sept 2018, 13:40

66 km SSW of Kaktovik, Alaska

A magnitude 5.1 mw earthquake at 16.5 km depth.

Depth16.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated16 August 2023Latest timestamp stored in this record

Published location

Where is 66 km SSW of Kaktovik, 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.

69.567600, -144.160700

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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
ak018bzunh68
Coordinates
69.5676, -144.1607
Network
ak
Significance
400