QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hbzj
USGS usp000hbzj
27 Apr 2010, 19:15
Rat Islands, Aleutian Islands, Alaska
A magnitude 5.1 mwc earthquake at 35 km depth.
Published location
Where is Rat Islands, Aleutian Islands, 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.
51.228000, 178.653000
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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
usp000hbzj
Coordinates
51.228, 178.653
Network
us
Significance
400