QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem907930
USGS iscgem907930
7 Mar 1929, 01:34
234 km SSW of Nikolski, Alaska
A magnitude 7.8 mw earthquake at 15 km depth.
Published location
Where is 234 km SSW of Nikolski, 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.
50.906000, -169.786000
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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
iscgem907930
Coordinates
50.906, -169.786
Network
iscgem
Significance
936