QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem896979
USGS iscgem896979
31 Oct 1949, 01:39
78 km WSW of Port Alexander, Alaska
A magnitude 6.2 mw earthquake at 15 km depth.
Published location
Where is 78 km WSW of Port Alexander, 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.
55.998000, -135.815000
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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
iscgem896979
Coordinates
55.998, -135.815
Network
iscgem
Significance
584