QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem885169
USGS iscgem885169

22 Sept 1958, 20:05

south of the Kermadec Islands

A magnitude 6.3 mw earthquake at 30 km depth.

Depth30 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is south of the Kermadec Islands?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

-33.483000, -177.854000

Open the interactive map ↗

Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 6.29

south of the Kermadec Islands

M 6.3

south of the Kermadec Islands

M 6.23

south of the Kermadec Islands

M 6.31

south of the Kermadec Islands

M 6.22

east of the North Island of New Zealand

M 6.33

south of the Kermadec Islands

Catalog fields and provenance
Event ID
iscgem885169
Coordinates
-33.483, -177.854
Network
iscgem
Significance
605