QQuakeFacts
USGS iscgem906628

13 Feb 1931, 01:27

40 km E of Waiouru, New Zealand

A magnitude 7.3 mw earthquake at 45 km depth.

Depth45 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 40 km E of Waiouru, 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.

-39.421000, 176.129000

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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
iscgem906628
Coordinates
-39.421, 176.129
Network
iscgem
Significance
820