QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem877785
USGS iscgem877785
6 Dec 1961, 16:39
165 km SSW of Severo-Kuril’sk, Russia
A magnitude 6.3 mw earthquake at 49.2 km depth.
Published location
Where is 165 km SSW of Severo-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.
49.259000, 155.404000
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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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Catalog fields and provenance
Event ID
iscgem877785
Coordinates
49.259, 155.404
Network
iscgem
Significance
601