QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem863545
USGS iscgem863545
15 Oct 1964, 21:26
173 km ESE of Kuril’sk, Russia
A magnitude 6.3 mw earthquake at 35.4 km depth.
Published location
Where is 173 km ESE of Kuril’sk, Russia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
44.606000, 149.894000
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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
iscgem863545
Coordinates
44.606, 149.894
Network
iscgem
Significance
613