QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00003kr
USGS usp00003kr

29 Sept 1973, 01:44

61 km SSE of Ungsang-nodongjagu, North Korea

A magnitude 6.5 mb earthquake at 575 km depth.

Depth575 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 61 km SSE of Ungsang-nodongjagu, 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.

41.891000, 130.871000

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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

M 6.41

212 km ESE of Hoemul-li, North Korea

M 6.3

67 km SE of Rajin, North Korea

M 6.3

21 km ENE of S?ngjibaegam, North Korea

M 6.8

108 km SSE of Kilju, North Korea

M 6.2

136 km ENE of Sokcho, South Korea

M 6.1

64 km SE of Rajin, North Korea

Catalog fields and provenance
Event ID
usp00003kr
Coordinates
41.891, 130.871
Network
us
Significance
650