QQuakeFacts
USGS iscgem827772

29 Jan 1968, 10:19

26 km S of Shikotan, Russia

A magnitude 7.4 mw earthquake at 42.9 km depth.

Depth42.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 26 km S of Shikotan, 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.

43.559000, 146.702000

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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
iscgem827772
Coordinates
43.559, 146.702
Network
iscgem
Significance
838