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USGS iscgem897488

7 Aug 1948, 15:40

138 km SE of Hasaki, 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 138 km SE of Hasaki, 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.

34.920000, 141.995000

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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

53 km ESE of Hasaki, Japan

171 km SE of Hasaki, Japan

137 km SE of Katsuura, Japan

98 km ESE of Kitaibaraki, Japan

84 km ESE of Namie, Japan

1 km WNW of Kumagaya, Japan

Catalog fields and provenance

Event ID

iscgem897488

Coordinates

34.92, 141.995

Network

iscgem

Significance

656