QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem876232
USGS iscgem876232
11 Mar 1961, 01:31
236 km SSW of Severo-Kuril’sk, Russia
A magnitude 6.1 mw earthquake at 55.1 km depth.
Published location
Where is 236 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.
48.708000, 154.880000
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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
iscgem876232
Coordinates
48.708, 154.88
Network
iscgem
Significance
571