QQuakeFacts
USGS usp0000862

27 Sept 1974, 06:47

69 km S of Shikotan, Russia

A magnitude 6.7 ms earthquake at 43 km depth.

Depth43 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 69 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.

43.176000, 146.651000

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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
usp0000862
Coordinates
43.176, 146.651
Network
us
Significance
691