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USGS iscgem818523

1 Jul 1968, 11:45

4 km ENE of Ogose, Japan

A magnitude 6.1 mw earthquake at 57.9 km depth.

Depth57.9 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 4 km ENE of Ogose, 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.

35.979000, 139.329000

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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

14 km WSW of Matsumoto, Japan

107 km ESE of Takahagi, Japan

83 km ENE of Hasaki, Japan

50 km E of ?arai, Japan

17 km NE of ?hara, Japan

119 km ESE of Namie, Japan

Catalog fields and provenance

Event ID

iscgem818523

Coordinates

35.979, 139.329

Network

iscgem

Significance

572