QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem872077
USGS iscgem872077
31 Mar 1963, 06:30
Kermadec Islands, New Zealand
A magnitude 6.6 mw earthquake at 35 km depth.
Published location
Where is Kermadec Islands, New Zealand?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-29.985000, -177.618000
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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
iscgem872077
Coordinates
-29.985, -177.618
Network
iscgem
Significance
670