QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hs9q
USGS usp000hs9q
30 Dec 2010, 06:56
121 km WNW of Attu Station, Alaska
A magnitude 5.3 mwb earthquake at 10 km depth.
Published location
Where is 121 km WNW of Attu Station, 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.
53.113000, 171.428000
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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
usp000hs9q
Coordinates
53.113, 171.428
Network
us
Significance
432