QQuakeFacts
USGS usp0000fac

4 Mar 1976, 02:50

33 km N of Port-Olry, Vanuatu

A magnitude 6.4 mb earthquake at 90 km depth.

Depth90 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 33 km N of Port-Olry, Vanuatu?

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

-14.744000, 167.104000

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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
usp0000fac
Coordinates
-14.744, 167.104
Network
us
Significance
630