QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0001668
USGS usp0001668
24 Mar 1980, 04:59
80 km E of Nikolski, Alaska
A magnitude 6.9 ms earthquake at 33 km depth.
Published location
Where is 80 km E 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.
52.969000, -167.670000
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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
usp0001668
Coordinates
52.969, -167.67
Network
us
Significance
732