QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us6000lfvn
USGS us6000lfvn
16 Oct 2023, 12:35
78 km NNW of Adak, Alaska
A magnitude 6.4 mww earthquake at 174 km depth.
Published location
Where is 78 km NNW of Adak, 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.
52.559200, -176.924000
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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
us6000lfvn
Coordinates
52.5592, -176.924
Network
us
Significance
636