QQuakeFacts
USGS iscgem600678251

28 Aug 1945, 20:21

88 km S of ?yama, Japan

A magnitude 6.5 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 88 km S of ?yama, Japan?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

33.815000, 138.071000

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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
iscgem600678251
Coordinates
33.815, 138.071
Network
iscgem
Significance
640