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USGS iscgemsup913596

31 Jul 1917, 04:23

7 km WSW of Rajin, North Korea

A magnitude 7.4 mB earthquake at 460 km depth.

Depth460 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated24 July 2026Latest timestamp stored in this record

Published location

Where is 7 km WSW of Rajin, North Korea?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

42.226000, 130.205000

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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

108 km SSE of Kilju, North Korea

61 km SSE of Ungsang-nodongjagu, North Korea

212 km ESE of Hoemul-li, North Korea

67 km SE of Rajin, North Korea

21 km ENE of S?ngjibaegam, North Korea

136 km ENE of Sokcho, South Korea

Catalog fields and provenance

Event ID

iscgemsup913596

Coordinates

42.226, 130.205

Network

iscgemsup

Significance

842