QQuakeFacts
USGS us6000mflq

28 Feb 2024, 15:50

260 km W of Adak, Alaska

A magnitude 5.5 mww earthquake at 120 km depth.

Depth120 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated13 February 2026Latest timestamp stored in this record

Published location

Where is 260 km W 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.

52.001600, 179.583200

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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
us6000mflq
Coordinates
52.0016, 179.5832
Network
us
Significance
465