QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000a16b
USGS usp000a16b
3 Oct 2000, 06:30
62 km SW of Adak, Alaska
A magnitude 5.1 mb earthquake at 33 km depth.
Published location
Where is 62 km SW 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.
51.498000, -177.312000
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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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Catalog fields and provenance
Event ID
usp000a16b
Coordinates
51.498, -177.312
Network
us
Significance
400