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USGS iscgem784996

26 May 1971, 07:13

24 km SE of Kushima, Japan

A magnitude 6.2 mw earthquake at 50.6 km depth.

Depth50.6 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 24 km SE of Kushima, 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.

31.344000, 131.436000

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

84 km W of Naze, Japan

119 km SE of Koshima, Japan

23 km ESE of Kushima, Japan

102 km NE of Tatsugō, Japan

42 km SE of Naze, Japan

42 km S of Koshima, Japan

Catalog fields and provenance

Event ID

iscgem784996

Coordinates

31.344, 131.436

Network

iscgem

Significance

584