QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem859324
USGS iscgem859324
4 Feb 1965, 12:06
81 km W of Attu Station, Alaska
A magnitude 6.5 mw earthquake at 27.1 km depth.
Published location
Where is 81 km W of Attu Station, 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.
52.752000, 171.991000
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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
iscgem859324
Coordinates
52.752, 171.991
Network
iscgem
Significance
640