QQuakeFacts

Data last collected:

USGS iscgemsup914296

25 Aug 1905, 09:46

5 km SE of Namyang, North Korea

A magnitude 6.6 mB earthquake at 470 km depth.

Depth470 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 February 2025Latest timestamp stored in this record

Published location

Where is 5 km SE of Namyang, 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.

42.921000, 129.907000

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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
iscgemsup914296
Coordinates
42.921, 129.907
Network
iscgemsup
Significance
670

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Questions this evidence can answer

01What exactly is this record?

Use the name, place, date and identifiers above to confirm that you have the right 5 km SE of Namyang, North Korea earthquake: magnitude 6.6 and depth | QuakeFacts record.

02What does the evidence establish?

Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.

03What should I verify next?

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A closer look at 5 km SE of Namyang, North Korea

Depth in another unit

The recorded event depth of 470 km is approximately 292.04 miles below the source reference surface. Depth alone does not describe damage or local hazard.

Interpreting the recorded coordinates

The published position for 5 km SE of Namyang, North Korea is 42.921° north and 129.907° east. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.

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