QQuakeFacts
USGS usp00043s3

30 Dec 1989, 23:18

201 km N of Madang, Papua New Guinea

A magnitude 6.7 mw earthquake at 38.3 km depth.

Depth38.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 201 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.

-3.406000, 145.966000

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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
usp00043s3
Coordinates
-3.406, 145.966
Network
us
Significance
691