QQuakeFacts
USGS iscgem864430

16 Sept 1964, 02:50

53 km E of Chenega, Alaska

A magnitude 6.1 mw earthquake at 14 km depth.

Depth14 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 53 km E of Chenega, 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.

59.992000, -147.068000

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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
iscgem864430
Coordinates
59.992, -147.068
Network
iscgem
Significance
571