QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem906921
USGS iscgem906921
7 Aug 1931, 03:11
43 km SW of Aitape, Papua New Guinea
A magnitude 7.1 mw earthquake at 35 km depth.
Published location
Where is 43 km SW of Aitape, 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.
-3.366000, 142.031000
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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
iscgem906921
Coordinates
-3.366, 142.031
Network
iscgem
Significance
771