QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/official19650204050122_30
USGS official19650204050122_30
4 Feb 1965, 05:01
1965 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake
A magnitude 8.7 mw earthquake at 30.3 km depth.
Published location
Where is 1965 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
51.251000, 178.715000
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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
official19650204050122_30
Coordinates
51.251, 178.715
Network
official
Significance
1164