QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000sgu
USGS usp0000sgu
14 Jan 1978, 15:20
Kermadec Islands, New Zealand
A magnitude 6.3 ms earthquake at 44 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.
-30.115000, -177.489000
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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
usp0000sgu
Coordinates
-30.115, -177.489
Network
us
Significance
611