QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000jfat
USGS usb000jfat
30 Aug 2013, 17:29
109 km SW of Atka, Alaska
A magnitude 5.5 mb earthquake at 7.3 km depth.
Published location
Where is 109 km SW 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.
51.422400, -175.177500
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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
usb000jfat
Coordinates
51.4224, -175.1775
Network
us
Significance
465