QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913744
USGS iscgem913744
28 Dec 1917, 21:14
103 km SSE of Akhiok, Alaska
A magnitude 6.4 mw earthquake at 15 km depth.
Published location
Where is 103 km SSE 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.
56.165000, -153.245000
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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
iscgem913744
Coordinates
56.165, -153.245
Network
iscgem
Significance
632