QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem901197
USGS iscgem901197
12 Feb 1940, 09:17
58 km SW of Sand Point, Alaska
A magnitude 6 mw earthquake at 45 km depth.
Published location
Where is 58 km SW 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.
54.959000, -161.130000
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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
iscgem901197
Coordinates
54.959, -161.13
Network
iscgem
Significance
561