QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem859358
USGS iscgem859358
4 Feb 1965, 14:18
142 km W of Attu Station, Alaska
A magnitude 6.4 mw earthquake at 26.2 km depth.
Published location
Where is 142 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.
52.999000, 171.087000
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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
iscgem859358
Coordinates
52.999, 171.087
Network
iscgem
Significance
630