QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup913485
USGS iscgemsup913485
2 May 1917, 02:21
Kermadec Islands region
A magnitude 6.3 mw earthquake at 35 km depth.
Published location
Where is Kermadec Islands region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-28.189000, -177.980000
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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
iscgemsup913485
Coordinates
-28.189, -177.98
Network
iscgemsup
Significance
601