QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem869937
USGS iscgem869937
28 Mar 1964, 15:46
76 km S of Akhiok, Alaska
A magnitude 6.5 mw earthquake at 25 km depth.
Published location
Where is 76 km S of Akhiok, 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.
56.259000, -154.214000
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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
iscgem869937
Coordinates
56.259, -154.214
Network
iscgem
Significance
658