QQuakeFacts
USGS usb000ilip

24 Jul 2013, 14:59

177 km WSW of Adak, Alaska

A magnitude 5.1 mwb earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagFlaggedUSGS catalog flag, not a current warning
Updated18 July 2023Latest timestamp stored in this record

Published location

Where is 177 km WSW of Adak, 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.

51.267000, -178.999000

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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
usb000ilip
Coordinates
51.267, -178.999
Network
us
Significance
400