QQuakeFacts
USGS us6000f2gk

29 Jul 2021, 07:28

128 km SE of Perryville, Alaska

A magnitude 5.3 mb earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 October 2021Latest timestamp stored in this record

Published location

Where is 128 km SE of Perryville, 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.

55.152600, -157.603500

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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

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Catalog fields and provenance
Event ID
us6000f2gk
Coordinates
55.1526, -157.6035
Network
us
Significance
432