QQuakeFacts
USGS ak01860q4oj4

11 May 2018, 05:58

69 km W of Karluk, Alaska

A magnitude 5.3 mw earthquake at 63.2 km depth.

Depth63.2 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 69 km W of Karluk, 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.

57.470300, -155.593400

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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
ak01860q4oj4
Coordinates
57.4703, -155.5934
Network
ak
Significance
438