QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00043s3
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.
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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
usp00043s3
Coordinates
-3.406, 145.966
Network
us
Significance
691