QQuakeFacts
USGS iscgem902113

12 Aug 1939, 10:49

260 km E of Kuril’sk, Russia

A magnitude 6.3 mw earthquake at 25 km depth.

Depth25 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 260 km E 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.

45.114000, 151.185000

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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
iscgem902113
Coordinates
45.114, 151.185
Network
iscgem
Significance
611