QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913577
USGS iscgem913577
25 Jul 1917, 04:19
101 km SSW of Sand Point, Alaska
A magnitude 6.4 mw earthquake at 35 km depth.
Published location
Where is 101 km SSW of Sand Point, 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.
54.488000, -161.079000
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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
iscgem913577
Coordinates
54.488, -161.079
Network
iscgem
Significance
630