QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem16966074
USGS iscgem16966074
23 Sept 1943, 00:18
east of the North Island of New Zealand
A magnitude 6.4 mw earthquake at 10 km depth.
Published location
Where is east of the North Island of 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.
-35.770000, -178.867000
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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
iscgem16966074
Coordinates
-35.77, -178.867
Network
iscgem
Significance
620