QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem781111
USGS iscgem781111
10 Aug 1971, 15:37
181 km SE of Kokopo, Papua New Guinea
A magnitude 6 mw earthquake at 39 km depth.
Published location
Where is 181 km SE of Kokopo, 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.
-5.410000, 153.517000
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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
iscgem781111
Coordinates
-5.41, 153.517
Network
iscgem
Significance
556