QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0005er3
USGS usp0005er3
30 Sept 1992, 06:34
117 km SW of Adak, Alaska
A magnitude 6.6 mwb earthquake at 33 km depth.
Published location
Where is 117 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.
51.281000, -178.037000
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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
usp0005er3
Coordinates
51.281, -178.037
Network
us
Significance
670