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USGS iscgem813940

7 Dec 1968, 05:57

195 km N of Madang, Papua New Guinea

A magnitude 6.7 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 195 km N of Madang, Papua New Guinea?

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

-3.487000, 146.114000

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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

35 km NNE of Wewak, Papua New Guinea

26 km SSW of Madang, Papua New Guinea

44 km S of Angoram, Papua New Guinea

140 km N of Lae, Papua New Guinea

201 km N of Madang, Papua New Guinea

44 km NNE of Kainantu, Papua New Guinea

Catalog fields and provenance

Event ID

iscgem813940

Coordinates

-3.487, 146.114

Network

iscgem

Significance

684