QQuakeFacts
USGS iscgem847580

19 May 1966, 08:06

106 km ESE of Akutan, Alaska

A magnitude 6 mw earthquake at 30.1 km depth.

Depth30.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 106 km ESE of Akutan, 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.

53.931000, -164.187000

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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
iscgem847580
Coordinates
53.931, -164.187
Network
iscgem
Significance
554