QQuakeFacts
USGS usb000jgrq

4 Sept 2013, 05:16

90 km SSW of Atka, Alaska

A magnitude 5.8 mww earthquake at 26.6 km depth.

Depth26.6 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated19 July 2023Latest timestamp stored in this record

Published location

Where is 90 km SSW of Atka, 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.

51.449000, -174.717000

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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
usb000jgrq
Coordinates
51.449, -174.717
Network
us
Significance
518