QQuakeFacts
USGS usp0004ezv

23 Sept 1990, 18:54

74 km W of Port-Vila, Vanuatu

A magnitude 6.4 mw earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 74 km W of Port-Vila, 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.

-17.732000, 167.612000

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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
usp0004ezv
Coordinates
-17.732, 167.612
Network
us
Significance
630