QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h2fk
USGS usp000h2fk
7 Oct 2009, 06:38
Rat Islands, Aleutian Islands, Alaska
A magnitude 5.7 mwc earthquake at 138.4 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.
52.157000, 178.052000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp000h2fk
Coordinates
52.157, 178.052
Network
us
Significance
500