QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hs42
USGS usp000hs42
27 Dec 2010, 11:36
115 km SSE of Adak, Alaska
A magnitude 5 mwc earthquake at 24.7 km depth.
Published location
Where is 115 km SSE 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.
50.911000, -176.009000
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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
usp000hs42
Coordinates
50.911, -176.009
Network
us
Significance
385