QQuakeFacts
USGS iscgem17288196

8 Nov 1959, 13:55

72 km W of Rumoi, Japan

A magnitude 6.5 mw earthquake at 30 km depth.

Depth30 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 72 km W of Rumoi, 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.

43.972000, 140.743000

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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
iscgem17288196
Coordinates
43.972, 140.743
Network
iscgem
Significance
648