QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem818229
USGS iscgem818229
22 Aug 1968, 15:00
136 km W of Attu Station, Alaska
A magnitude 6.2 mw earthquake at 32.6 km depth.
Published location
Where is 136 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.
52.936000, 171.157000
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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
iscgem818229
Coordinates
52.936, 171.157
Network
iscgem
Significance
584