QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup913696
USGS iscgemsup913696
14 Nov 1917, 09:17
111 km WNW of Attu Station, Alaska
A magnitude 6.1 mw earthquake at 35 km depth.
Published location
Where is 111 km WNW 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.
53.234000, 171.648000
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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
iscgemsup913696
Coordinates
53.234, 171.648
Network
iscgemsup
Significance
578