QQuakeFacts
USGS iscgem902539

16 Jun 1938, 03:15

78 km S of Naze, Japan

A magnitude 7.6 mw earthquake at 20 km depth.

Depth20 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 78 km S of Naze, 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.

27.659000, 129.476000

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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
iscgem902539
Coordinates
27.659, 129.476
Network
iscgem
Significance
889