QQuakeFacts
USGS iscgem913161

4 Jun 1918, 18:12

225 km S of Alo, Wallis and Futuna

A magnitude 6.4 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 225 km S of Alo, Wallis and Futuna?

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

-16.309000, -178.501000

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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
iscgem913161
Coordinates
-16.309, -178.501
Network
iscgem
Significance
638