QQuakeFacts
USGS iscgem904535

23 Sept 1935, 10:18

50 km NNW of Ambunti, Papua New Guinea

A magnitude 6.6 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 50 km NNW of Ambunti, 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.

-3.837000, 142.572000

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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
iscgem904535
Coordinates
-3.837, 142.572
Network
iscgem
Significance
676