QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem890096
USGS iscgem890096
15 Nov 1955, 10:06
210 km SE of Chignik, Alaska
A magnitude 6.1 mw earthquake at 27.6 km depth.
Published location
Where is 210 km SE of Chignik, 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.
55.174000, -155.697000
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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
iscgem890096
Coordinates
55.174, -155.697
Network
iscgem
Significance
571