QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00035nc
USGS usp00035nc
9 Jun 1987, 07:19
81 km WSW of Kandrian, Papua New Guinea
A magnitude 6.3 mw earthquake at 54.3 km depth.
Published location
Where is 81 km WSW of Kandrian, 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.
-6.366000, 148.832000
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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
usp00035nc
Coordinates
-6.366, 148.832
Network
us
Significance
611